A large selection of riddles on various topics for adults and children.
Riddles in Russian 27 geese go from the house to the pond. 7 of them got lost behind, 12 came back, 8 of them flew over the pond. Question: What are the rest of the geese doing? 4 people stand in a row.
The car is speeding down the highway. The pranksters attached an empty pot to the exhaust pipe at the back on a rope, which rattled loudly. At what speed must the car go in order not to hear the sound of the pan? The agent needed to infiltrate one "closed" party. The pass inside was a special word-password. The agent hid near the entrance and began to listen. To the guard's question "Twenty-two?" the first visitor answered "Eleven!" and was let in. To the question "Twenty-eight?" the next visitor answered "Fourteen!" and was also let in. "It's all business," thought the agent, and to the guard's question, "Forty-two?" boldly answered "Twenty-one!" and was promptly driven away as a stranger. What should have been the correct answer? Archaeological expedition in Egypt found a treasure with ancient coins. On each of the coins was minted the date of issue: 50 BC. The chief archaeologist, after looking at the coins, realized that they were ancient forgeries. How did he determine it? Alcoholics Anonymous believes that any promising recovery program is painful for patients. That's why they say, "You only have to last one day." What day do you think it is? The balloon is free and motionless in the air. A man got out of his gondola and began to climb up the cable. Where will the balloon move: up or down? The bank put forward a mortgage offer that seemed too good to be true: as soon as the central bank raises the interest rate, that bank will lower the mortgage rate. And although the reverse offer also worked, the bank came up with its initiative at a time when interest rates were extremely low, but over the next 25 years the Axis expected them to rise. The starting mortgage rate outpaced competition from other banks, and the bank attracted many new customers. Considering that this bank is still thriving to this day, tell me, how did he manage to play such a rather risky game? A wealthy merchant, dying, left his sons a herd of 17 cows as an inheritance. In total, the merchant had 3 sons. In the will it is specified to distribute the inheritance as follows: the eldest son receives half of the entire herd, the middle son must receive a third of all the cows from the herd, the youngest son must receive a ninth of the herd. How can the brothers divide the flock among themselves according to the terms of the will? A barrel of water weighs 50 kilograms, what needs to be added to make it weigh 15 kilograms? The smoking brothers have not spoken to each other since Bertram beat Augustus in a chess game. Until this Black Friday, Bertram had never beaten his brother. Here's how it happened:
The 12-storey building has an elevator. Only 2 people live on the ground floor, from floor to floor the number of inhabitants doubles. On which floor in this house is the elevator call button most often pressed? In the 16th century, a concept appeared in Holland, which was previously determined by the range of a cannon shot, and now its value is 22 km 224 m. What is it about? In 1933, two years before the production of Frankenstein, James Weil made a film that became a true celebration of special effects. It is noteworthy that Claude Rance, who played the main role, is practically invisible on the screen during almost the entire film. Which book was filmed by James Weil? In 1950, one lady turned 50 years old, and in 1960 she was 40 years old. What do you think, what kind of woman is this and how is this possible? In the 20s, employees of the criminal investigation department used the so-called "signs of concealed wearing" instead of certificates during their operational work. They consisted of service and camouflage tokens. The service badge was hidden under the lapel of his jacket. On the camouflage token, which was screwed on the front side of the lapel, there could be three different patterns: a hunter shooting a duck, a rider overcoming an obstacle, or ... Name the third, most common type of pattern. In the hospital of St. James sent all the victims of accidents in the city. Most of all there were drivers and passengers injured in the accident. To reduce their number, the city authorities have made the use of seat belts mandatory. Drivers and passengers began to wear these belts, but the number of accidents remained unchanged, and the number of people injured in them who were admitted to the hospital even increased. Why? There are 4 coins in two wallets, and one wallet has twice as many coins as the other. How is this possible? At the children's hospital, the young patients loved to play with the adorable teddy bears that were there. Unfortunately, the children liked them so much that the bears began to disappear: underage patients took them home. How did the hospital management solve this problem? In the entry ?1?2?4?8?16?32?64=27 instead of "?" put the signs "+" or "-" so that the equality becomes true. In what situation can you get one when you add two to eleven? In what case will 3 grandfathers, 2 grandmothers, 4 granddaughters, 3 bugs, a cat and 7 mice with a turnip get wet under one umbrella? In which case is the equality true: 19 + 15 = 10. In which case, looking at the number 2, do we say "ten"? There are two coins in the pocket for a total of 15 kopecks. One of them is not a nickel. What are these coins? Water is poured to the top in a regular cylindrical saucepan. How, without any measurements and devices at hand, is it possible to pour such an amount of water from the pan so that half of its contents remain in it? Three friends met in a cafe: the sculptor Belov, the violinist Chernov and the artist Ryzhov. "It's great that one of us is white, the other is black, and the third has red hair, but none of us have hair color that matches the last name," the black-haired man remarked. "You're right," Belov said. What color is the artist's hair? Pets live in the apartment: dogs and cats. Of all the animals, only one is not a dog, and all but one of the pets are cats. How many cats and dogs are there? There are five first-graders in the class: Anya, Vova, Vika, Sveta and Seryozha.
There was a fire in the forest, and after extinguishing a dead diver was found on the ashes, although the nearest lake is at least a kilometer away. How did he die? In the forest, ten sources of dead water beat out from under the ground: from No. 1 to No. 10. From the first nine sources, everyone can take dead water, but source No. 10 is located in Koshchei's cave, which no one except Koshchei himself can get into. The taste and color of dead water is no different from ordinary water, however, if a person drinks from any source, he will die. Only one thing can save him: if he drinks poison from a source whose number is greater. And if he immediately drinks the tenth poison, then nothing will help him. Ivanushka challenged Koshchei to a duel. The conditions of the duel were as follows: each brings a mug of liquid with him and gives it to his opponent to drink. Koschei was delighted: "Hurrah! I will give poison number 10, and Ivanushka will not be able to escape! And I myself will drink the poison that Ivanushka will bring me, I will drink it with my tenth and be saved!" On the appointed day, the opponents met. Both honestly exchanged mugs and drank what was in them. However, it turned out that Koschei died, and Ivanushka remained alive. How did Ivanushka manage to defeat Koshchei? Which candy has a chill in its name? Wine is poured into one glass, and the same amount of water is poured into the other. Take a teaspoon of wine from a glass of wine and pour it into a glass of water. Then, having mixed the contents of the glass with water well, take a teaspoon of the resulting solution and pour it back into the glass of wine. What will be more - wine in water or water in wine? In one despotic country, the king called all the court wise men (their number is not important, we will assume without loss of generality that there are 20 of them) and announced to them the following:
In one prison, on the international day of convicts, they organized a contest-game. All prisoners take part in the game. If they win, the administration promises to release them all. Here's what the game is about:
In one city, all the people were merchants or potters. Merchants have always told lies, and potters have always told the truth. When all the people gathered in the square, each of those gathered said to the others: "You are all merchants!" How many potters were there in this city? In one city, a new district of 100 houses was built. The sign makers have made and brought a pack of new signs with house numbering from 1 to 100. Count the number of all 9s found in these signs (numbers 9 and 6 are different numbers). In one class, the students were divided into two groups. Some had to always tell only the truth, while others - only a lie. All students in the class wrote an essay on a free topic, which had to end with the phrase "Everything written here is true" or "Everything written here is false." There were 17 truth-tellers and 18 liars in the class. How many essays turned out with a statement about the veracity of what was written? The Sberbank branch employs: a cashier, a controller and a manager. Their last names are Borisov, Ivanov and Sidorov. The cashier has no brothers or sisters and is the shortest of all. Sidorov is married to Borisov's sister and taller than the controller. Name the cashier, controller and manager. The hotel has 7 floors. Four people were accommodated on the first one, on each subsequent - 2 more than on the previous one. On which floor of the hotel is the elevator most often called? In Aleksin's story "Sasha and Shura" the following conversation took place between the characters: "What is your dog's name?" - "Of course, Bergen." And why "of course", the questioner understood when he learned the breed of the dog. Name her too. At one time, the mayor Glazunov telegraphed the chairman of the sanitary commission, who was away: "Cholera is on the decline. I will be glad if the Petersburgers finally rest." In a response telegram, the chairman demanded clarification. And what exactly? In his article "Pushkin, or Truth and Plausibility", Vladimir Nabokov wrote: "In my opinion, the Pushkin era is the last in the run of time, where our imagination can still penetrate without a passport, endowing the details of life with features borrowed from painting. 1840 .. Neither Byron, nor Pushkin, nor Goethe survived to this date... Just think, if Pushkin had lived for another 2-3 years, we would have had..." What exactly? There are five people in a family: husband, wife, their son, husband's sister and wife's father. Their professions are engineer, lawyer, locksmith, teacher and economist. It is known that a lawyer and a teacher are not blood relatives. The locksmith is younger than the economist, and both play football for the national team of their factory. The engineer is younger than the teacher, but older than his brother's wife. Name each profession. In the old Quebec hotel "Louis XIV" adjoining rooms were connected by a shared bathroom. In the bathroom, on the handles of the doors leading to the rooms, hung a meter long leather belt. And what did the hotel guest do with these belts when he went into the bathroom? In the turning shop of a repair plant, a turner grinds bushings from bronze blanks. For the manufacture of each bronze bushing, one blank is required. In order to save material, the bronze shavings collected after the manufacture of the bushings are used for remelting and casting of new similar blanks. How many bushings can be made in this way from 36 initially existing identical blanks, if it is known that the chips generated from the manufacture of six bushings are enough for the subsequent smelting of one additional blank? What is the difference between a soccer player and a street walker? In the era of sailing ships, when 2 sailboats met, they saluted each other with cannon shots. Shots could show their intentions - friendly or hostile. How? Vasily, Peter, Semyon and their wives Natalya, Irina, Anna have been together for 151 years. Every husband is 5 years older than his wife. Vasily is 1 year older than Irina. Natalya and Vasily together are 48 years old, Semyon and Natalya are together 52 years old. Who is married to whom, and how old is who? (Age must be expressed in whole numbers.) Along the street where I live, there are red and blue trams that belong to the same route. The number of both trams is the same. The red trams, as well as the blue ones, run at the same time interval of ten minutes. During the day I make several trips, and at different times. It would seem that the number of trips in the red and blue trams should be approximately the same with a possible slight deviation. However, due to some circumstances, the actual number of trips in red trams is almost 90% of the total number of trips. How can such a phenomenon be explained? The owners of a well-known shoe manufacturing company implemented a rather unusual original solution, according to which in one city only right shoes were made at a shoe factory, and in another city only left shoes were made. Through this implementation, the firm was able to significantly reduce some of its losses. What do you think caused the company these losses? Theft of shoes (pairs of shoes) by workers from factories. Returning home from fishing, the fisherman met his friend, who inquired about his catch. But, since our fisherman, in addition to fishing, was also a great lover of all kinds of riddles, he answered his friend as follows: "If I add half the catch and a dozen more fish to the number of fish I caught, then my catch would be exactly a hundred fish." How many fish did the angler catch? The balloon is carried away by a continuous wind in a southerly direction. In which direction do the flags on his gondola fly? Is it possible to boil water on an open flame in a paper cup? A wolf cub, a monkey and a hippopotamus approached the carousel, on which the car and the airplane were spinning. Each of the friends wanted to ride on both. The car and the plane could accommodate only one passenger each. For three visits, each of the friends once rolled on a typewriter and on an airplane. On the first run, the monkey rode on an airplane, and the wolf cub - on a typewriter. During the second run, a wolf cub rode the airplane. Who and what was riding during the third run? We have all heard the murmur of the stream more than once. Why do you think he murmurs? Everyone knows that there is a way to put a ship model in a bottle. But how do you get a whole ripe cucumber in the bottle without damaging the bottle? Everyone knows that the Spaniards used their cavalry with great success in the wars of the Conquest against the Indians, who had no tame mounts, except for unfit for battle llamas and guanacos. Why did the Indians not domesticate wild mustangs, which are easily tamed? 3 friends met: Serova, Zolotareva and Chernova. And they were dressed in this way: one has a black dress, the other has a gray dress, You fell ill, went to the doctor, who gave you three tablets in jars A and B. The tablets are identical in shape and color, but have a different effect. You must take a pill from jar A and a pill from jar B together every day for three days. The recipe must not be broken. But in the morning after the first day, you saw that there were three tablets on the table, jar B was empty, and jar A had only one tablet. How do you proceed to complete the treatment without violating the prescription? You are in a hall with four doors and a small window. Three of the four doors are imaginary - that is, there is a blank wall behind them - and only one leads outside .. You have a key that fits all the doors, but you do not know which of the four doors leads outside. You only have one try; if you open one of the doors, then all the locks of the other doors are automatically closed permanently. It is still dark in the room, except that only one candle gives a little light. So, what needs to be done to find that door that leads outside? You are on top of a cliff 100 meters high. Two trees grow from the rock, one of which grows at the top of the rock at its very cliff, the second - from the wall of the rock at a height of 50 meters, on which you can sit down when descending. You have a rope 75 meters long and a knife to cut this rope. How in this situation can be carried out the descent from the cliff. The length of the rope required for tying knots can be ignored. You outran the skier who was in second position. What position do you occupy now? You were going to drink coffee with milk, and managed to pour only coffee into a glass. But you are asked to leave for a few minutes. What should be done to make the coffee hot when you return: pour milk into it immediately before leaving or after when you return, and why? Released from the hands of children's balloons fly away somewhere. Where? How high can they fly? Galina wanted to buy one ice cream, but she lacked 6 kopecks. Ivan also wants to buy one ice cream, but he lacks 1 kopeck. Galina and Ivan decided to buy together one ice cream for two, but they still lack one penny. Q: How much does one ice cream cost? Greenland is a huge island covered in snow and ice. Why did the person who discovered this island call it Greenland, i.e. "Green land"? Given a word of 4 letters, but it can also be written with 3 letters. You can usually write it down with 6 letters and then 5 letters. Spawning contained 8 letters, and occasionally consists of 7 letters. Two fickford cords are given. Each of the cords burns exactly 1 hour. Burning is uneven, i.e. for example, half can burn out in five minutes and the other in 55 minutes. The length may vary. Task: fix the time in 45 minutes using these cords. Two nearby cities lie, In one all the liars, and in the other truth-seekers. Both of them come to visit each other. What is the only question you need to ask a passer-by to find out in which city you are? Two cities, A and B, are 30 km apart. Two pedestrians leave these cities at the same time towards each other and move without stopping, each at a speed of 5 km / h. But together with the first pedestrian, a fly flies out of city A, which flies 10 km in an hour. The fly overtakes the first pedestrian and flies towards the other one, who left B. Having met him, it immediately turns back to the pedestrian from A. Having met him, it flies back again towards the pedestrian from B, and so it continued its flights back and forth until until the pedestrians meet. Then she calmed down and sat down on the hat of one of the pedestrians. How many kilometers did the fly fly? Two ships sailing in the ocean, each under the flag of their country, spotted each other from afar, turned off the intended course and rushed towards each other. As they got close, the captains realized that both had come to the wrong conclusion, laughed at it, and parted on friendly terms. Which countries did these ships belong to and what mistake did the captains make? Two very common devices perform the same function, but one of them has a huge number of moving parts, and the other has none. Electricity is not used in them, they were invented a very long time ago. Two ships left the ports at the same time and move in the opposite direction at a constant speed. The speed of one ship is 20 km / h, the other - 30 km / h. How far apart will they be exactly one hour before they meet? Two dacha neighbors were going to build a bridge across the stream dividing their summer cottages. The distance from the stream to the house of each summer resident is different, and the house of one summer resident is located slightly downstream relative to the house of another. How to build a bridge across the stream so that it is at the same distance from both houses? Two tourists left point A at the same time and went to point B. The first tourist walked at a speed of 5 km/h for half the time he spent on the transition, and then went at a speed of 4 km/h. The second one walked 4 km/h for the first half of the way, and then went 5 km/h. Which of them will arrive at point B first? The two men were charged with a joint crime. If both pleaded guilty, each received a light sentence. If one did it, but the second did not, then the first was released, and the second was severely punished. If both did not admit their guilt, they were both released from punishment. Why is it better from the point of view of an individual accused to confess, but from the point of view of both, it is more correct not to do so? The action takes place in room 555 on the fifth floor of a five-star hotel. The man got out of bed, washed, dressed, drank a cup of coffee, went out onto the balcony and found that he was standing without trousers. What happened to him? George Washington, Sherlock Holmes, William Shakespeare, Ludwig van Beethoven, Napoleon Bonaparte and Nero - which one of them is fundamentally different from the others? In order to get orange paint, you need to mix yellow paint (6 parts) and red paint (2 parts). How many grams of orange paint can be obtained (maximum) with 3 grams of yellow and 3 grams of red paint? Why do they leave gaps between the rails, at the points of their joining? Why did Soviet janitors once cut their brooms? Quite often, when making weights, a piece of lead or copper is intentionally interspersed in the base metal. What is it for? He comes home in the form of a "narrative work of oral folk art." He does not compose poetry and does not engage in science. However, we have known him since childhood. And not only to us - the whole world is subject to him. Name him by pronouncing his name in chorus and syllable by syllable. Is it thrown when it's being used and picked up when it's not needed? Several Belgian kings were his namesakes. One of the relatives is a member of a famous musical ensemble, the other is a famous farmer. He himself is the author of an appeal addressed to the primordial enemies. Quote this call. If only a few more people had voted against in the referendum, the proposal would have been approved. How is this possible? If in the third world war the main weapon will be nuclear, then what will be the main weapon in the fourth world war? If your boss says that happiness is not in money, then what should you tell him? If the puzzle you solved before you solved this one was harder than the puzzle you solved after you solved the puzzle you solved before you solved this one, was the puzzle you solved before they figured this one out, harder than this one? If one cubic meter is divided into its constituent cubic millimeters and joined together by faces in one straight line, then how long will this line be? If it is upside down, then it is full, and if it is upside down, then it is empty? If an optimist invents the wheel, then what does a pessimist invent? If you divide 50 by half and add 50, how much is it? If work is not a wolf, then what is? If you cross a Kangaroo and an Elephant, what will happen? If you want something big and clean, what should you do? If a person does it once a day, then this is good, but if he does it twice, then this is a crime. What's this? There are 3 boxes: "A", "B" and "C", in one of them the prize in the other is empty. You choose "A". The presenter knows exactly where the prize is and first opens a deliberately incorrect option "B", showing that it is empty. Then he asks if you want to change your choice? Now you have the opportunity to stay with your option "A", or change it to "C". Should you change your mind and why? There are three boxes: a box with oranges, a box with apples, and a box with a mixture of apples and oranges. Each box has a label showing what's inside. The tablets were taken and mixed; Now all the signs are in the wrong place. There is one attempt: you can stick your hand into the box, and pull out 1 item from there. After that, you need to hang the signs correctly. Even in ancient times, this invention was created. It allows a person to see through walls. What do you think this invention is that is still in use today? Four friends lived. Their names were Albert, Karl, Dietrich and Friedrich. The surnames of the friends are the same as the first names, only in such a way that none of them had the same first and last name, in addition, the surname of Dietrich is not Albert. Determine the surname and first name of each boy, if it is known that the name of the boy whose surname is Friedrich is the surname of the boy whose name is the surname Karla. Four friends lived. Their names were Albert, Karl, Dietrich and Friedrich. The surnames of friends are the same as the first names, only in such a way that none of them had the same first and last name, in addition, Dietrich's surname is not Albert. Determine the surname and first name of each boy, if it is known that the name of the boy whose surname is Friedrich is the surname of the boy whose name is Karla. I paid Rs 100 for the book. and there remains to be paid as much as would be left to be paid if it were paid for her as much as was left to be paid. How much does a book cost? After finishing her work in the office, the future movie superstar went to audition for a modeling agency. There, unfortunately, she was told that she was not tall enough to become a model. But the next morning, she again came to the same agency for auditions and successfully passed them. She did not wear anything to increase her height, such as special shoes or a wig. In addition, it was measured exactly the same way both times. How did she manage to make her dream come true? Here, in the middle of this terrible desert, lies the lost city of Ishtar. To get to it, I have to walk from the coast to the center of the mainland. Moving along this road, a person can take with him food supplies for no more than five days. I calculated that I could travel at most thirty miles in a day. According to the map, the city is located at a distance of one hundred and twenty miles from the coast. Now I will try to calculate how many people, including myself, are required to have enough supplies to get to the city alone, spend the night there and return to the coast. Winter. Yesterday it rained and today it's cold. Evening. You are a city bus driver. 75% filling of the passenger compartment of the bus. As we approached the intersection, we slowed down. There is a small traffic jam ahead. Two lanes of your direction are occupied by cars, gazelles and trucks. All are skidding on ice and cannot move. The road patrol service released one oncoming lane for a detour. We wanted to go in the opposite direction, but it wasn’t there, you start to slip yourself. What to do? The famous "black penny", the world's first postage stamp, was issued in England in 1840. The principle of paying for mail forwarding with stamps was a huge success and was subsequently adopted throughout the world. However, just a year later, the "black penny" was replaced by the "red penny". Why? Two people are walking side by side, one of them is the father of the other's son. How can this be? What plate can not be eaten? From the letters listed below, it is necessary to form one word: N L D O S V O O O The following is known:
It is known that among the nine coins there is one counterfeit, which has less weight than the others. How to determine a counterfeit coin using a weighing pan in two weighings? We know that the sum of the angles of any triangle is 180 degrees. But one mathematician still found a way to draw a triangle such that each of its angles is 90 degrees and the sum of its angles is 270 degrees. Guess how he did it? Inventor Thomas Adams worked with the sap of the Mexican sapodia tree. He tried to use it for children's toys, gas masks, shoes and bicycle tires. Nothing, however, worked out, the products came out so unsuccessful that the unlucky experimenter was ready to literally gnaw them with his teeth. But luck nevertheless came to him and Thomas Adams became known as the inventor of ... what? There is a round deep lake with a diameter of 200 meters and two trees, one of which grows on the shore near the water, the other - in the center of the lake on a small island. A person who cannot swim needs to cross to the island with a rope, the length of which is a little more than 200 meters. How can he do it? There are seven (and only seven) animals: a lion, a hyena, a poodle with a puppy, a Siamese cat with a kitten, and a Great Dane. One of the animals is called X, and another, different from the first, is called Y. The pupils of a lion differ in shape from the pupils of X. The hyena belongs to the same suborder as Y. Y never touches X. What animal is called Y? It should be noted that in our case the problem has a unique solution. There are three keys for three suitcases with different locks. Each key only fits one suitcase. Are three samples enough to find the keys to each of them? There is a number "twelve". How to divide it in half to get two "sevens"? Three cans are available: one five-liter - completely filled with apple juice, and two empty - two and three liters. Using these three jars, pour over four liters of juice in a five-liter jar. An Indian who came to the city for the first time in his life saw a white man riding down the street. When he passed by, the Indian said: "The white man is lazy, he even walks while sitting." What exactly was the white man riding if the Indian, seeing him, decided that he was "walking sitting"? An inspector inspecting a certain school noticed that whenever he asked a class a question, all the students raised their hands in response. Moreover, although the school teacher chose a different student each time, the answer was always correct. How did it work out? A story from real life. War veteran fought in Afghanistan. The war is over. Peaceful time. The veteran sleeps at home and has a dream. In the dream, he is an officer. He and his soldiers are sitting in a trench and they are shooting back from the Afghans. They are running out of ammo. The Afghans surround them. All soldiers are killed and the officer is left alive because he is an officer. He is taken prisoner and the eldest of the Afghans sets a condition for him. Either he (the officer) will show on the map all the locations of his soldiers or he will be killed. The officer refuses and says that he will not betray his homeland. A masked executioner approaches. He puts the officer's head on its side and cuts his head with an axe. The veteran wakes up from fear, his heart stops and he dies of a heart attack. What doesn't make sense in this story? Vanya's grandfather was visited by: two grandfathers, two grandmothers, three fathers, three mothers, three sons, three daughters, one mother-in-law, one mother-in-law, one father-in-law, one father-in-law, one son-in-law, one daughter-in-law, two brothers and two sisters. So how many guests were there? How do you think a whole fruit gets into a bottle of fruit wine with a thin neck? At the same time, the fruit is clearly much larger than the neck of the bottle. Why do you think it is impossible to bury a man who lives in Paris in Rome? What do you think will happen if liquid oxygen with a temperature = - 183 degrees Celsius, in an amount of about 3-4 liters, is poured from the top into an iron barbecue with burning coals from the top? What do you think that travels all over the world, but at the same time stays in one place all the time (usually in the corner)? How do some publishers of dictionaries and atlases protect their publications from pirates who would like to copy them? How to measure the diameter of a thin wire with only a pencil and a scale ruler? How can you climb to the top of a tall tree and then jump down onto the asphalt without getting hurt? How can a rope 1 meter long be placed vertically? What is the finish line of ground training for an astronaut called? How to draw 5 liters of water from the river using a 9 liter and 3 liter bucket? How to make any computer really fast? How to jump off a 20-meter fire escape without hurting yourself? There is no trampoline at the bottom, no safety rope, etc. How can a person go 10 days without sleep? Which bird does not lay eggs, but hatch from them? What questions (no more than 10) should be asked to the person who guessed the number from 1 to 1000 in order to guess this number by receiving only “yes” and “no” answers? What mushrooms grow under a birch? - Boletus. What mushrooms grow under the aspen? - Aspen mushrooms. And what mushrooms grow under pines? What two things can't be eaten for breakfast? What teeth are the last to appear in humans? How can you measure the diameter of a thin wire with maximum accuracy, having only a measuring ruler and a pencil? Which animal has six legs and walks on its head? Which word starts with three z and ends with three i? Which word is constantly being mispronounced? What sign should be placed between 4 and 5 so that the result is less than 5 but greater than 4? What sign should be placed between the numbers 2 and 3 written next to each other so that a number is obtained that is greater than two, but less than three? What object cannot be seen even up close in daylight? What is the best hand to stir coffee with cream and sugar? What ribbon cannot be woven into a pigtail? When my father was 31, I was 8 years old, and now my father is twice my age. How old am I now? When we look at the number 2 and say 10? When can a person in his house be without a head? Kolya, Sasha and Yura were interrogated by the police in connection with the theft of a bicycle. Kolya said that Sasha stole the bike. Sasha declared that he was innocent. Yura said that he was not a thief either. The policeman knew that only one of them was telling the truth. Who stole the bike? The platoon leader needs to transport 10 soldiers across the river. There are no bridges on the river, and not a single soldier wanted to swim across the river. Then the commander saw a boat in which two boys were sitting. The boat could hold either two boys or one soldier. How did the commander ferry the soldiers to the other side using a boat? Who loves when they give him two identical watches at once? Who usually goes to bed without taking off their shoes? Who gets free cheese in a mousetrap? The blacksmith was brought five chains, three rings in each, and instructed to connect them into one chain. The blacksmith decided to open the four rings and chain them again. Is it possible to perform the same work by uncurling fewer rings? A grasshopper jumps along a straight line 80 cm forward or 50 cm backward. Can it move exactly 7 m 1 cm from the starting point in less than 70 jumps? Lena lives on the fourth floor, while going up to her house, she goes up the stairs of 60 steps. Julia lives in the same entrance on the second floor. How many steps does Yulia go up to her house on the second floor? 20 birds flew, three were shot by hunters, how many birds will remain? A sheet of rectangular paper was folded in half six times. Two holes were drilled through the middle of this folded sheet. How many holes can be counted on the sheet after it is unfolded to its original position? People who came to one village were often surprised by the local fool. When offered a choice between a shiny 50-cent piece and a crumpled five-dollar bill, he always chose the coin, even though it was worth ten times less than the bill. Why did he never choose the bill? The boy is walking along the road with the doctor. The boy is the son of a doctor, but the doctor is not the father of the boy. How is this possible? While changing the wheel of his car, the man dropped all four nuts of his fastening into the sewer grate, from where it was impossible to get them. He had already decided that he was stuck here, but a boy passing by gave him a very sensible idea, which allowed him to go further. What was his idea? Merlin, the great and wise wizard in the court of King Arthur, loved the following riddle: take four coins and arrange them in such a way that they are all at an equal distance from each other. (If you don't have English coins handy, any other will do.) Mr. Jones was found dead at his desk in his office. The cause of death was a bullet wound to the head. Detective Bones, who arrived on the scene, among other things, noticed a tape recorder that was lying on the table. Turning on the tape recorder, he was surprised to hear the voice of Mr. Jones, who made the following statement: "This is Jones. Smith just called me. Said he was coming here to shoot me. It's stupid to run, and too late. If he really decided fulfill my threat, then in 10 minutes I will be dead. This tape will help the police find the killer. I can hear his footsteps on the stairs. Doors open ... " At this point, the recording was interrupted, Bones turned off the tape recorder.
Mr Williams, Mr Barnet and Mr Edwards live in furnished rooms on Basket Street. One of them is a baker, another is a taxi driver, and the third is a fireman. You must determine the profession of each of them. Here are some tips.
Misha and Sasha played in the attic, where it was rather dirty and dark. Then they went down. Sasha's whole face was gray with dust, but Misha's face remained clean. Despite this, only Misha goes to wash. Many people know that one square meter consists of one million square millimeters (1000x1000=1000000). But there was one boy who could not believe it. "I will never believe that a million square millimeters can fit in this sheet of paper until I personally count all the cells myself!" - he said, holding in his hands a square meter of special drawing paper, already drawn into millimeter cells. And then one early morning he woke up and began to meticulously count the cells on paper, conscientiously marking each of the counted cells with a pencil. What do you think - could he be convinced that day that a square meter really contains a million square millimeters? Many of you have noticed that before moving the train forward, the driver often moves the entire train back. What is it for? Many medieval Russian actors (skomorokhs) entertaining the people at that time, during their performances used rattles made from a bull bladder and the fruits of one plant inside it. Can a person, being on Earth, see the Sun rising from the west? Can you name a month when women gossip the least? Can you light a fire under water? A young girl at her mother's funeral notices an attractive, well-dressed young man whom she has never seen before and immediately falls in love. This is love at first sight! Now she only thinks about him all the time! A few days pass and she kills her sister. Question: why? The man tossed and turned in bed for a long time at night and could not fall asleep ... The man lived at home alone for two months. No one visited him and he never went outside. By the end of those two months, the man had gone mad. One night he put out the fire, turned off the lights and left it for home. Nobody saw him again. Due to the fact that he left this house, 90 people died. Why did they die? A man is found murdered in his office. The body of a man is tilted over a desk, a revolver is clutched in his hand, and a voice recorder is on the table. The police turn on the voice recorder of the deceased and immediately hear the message recorded on tape: "I can no longer live. Life no longer makes any sense to me ...". After that, a shot is fired. We often say: "the boundless sea". Is there really a "borderless sea", that is, a sea that has no shores? In the East, an old man, dying, bequeathed 19 camels to his three sons. According to the will, the eldest son was to get half of the camels, the middle son - a quarter, and the youngest - a fifth. But the brothers began to argue among themselves, because 19 camels are not divisible, neither by 3, nor by 4, nor by 5. They went to the sage, who also had camels. And the sage was able to judge them, and it seems that everyone remained with his share.
2 bricks were placed on a smooth board - one flat and the other on the edge. Bricks weigh the same. Which brick will slide first if the board is tilted? The business meeting was attended by a writer, a chemist, a biologist and a doctor. Their names were (in alphabetical order): Anna, Dmitry, Ekaterina and Stas. Dmitry told the biologist that he had just met Ekaterina with donuts. Anna sat opposite the doctor and next to the chemist. The doctor thought to himself that Stas was a stupid name. Name each specialty. To which question can a logician not answer "No"? What question do you ask people all day long that you get a different answer each time? There are a lot of Japanese cars, off-road vehicles, and quite a few minibuses in Kamchatka. However, there are practically no Japanese buses. And not because they have a steering wheel on the right. And why? On the moon, gravity is about six times less than on Earth. If you launch a helicopter with maximum lifting power on the Moon, how many times higher will it rise than on earth? Rise time is the same = 1 minute. At the International Congress of Philosophers and Logicians in the eastern city of Phiu Liu, I introduced myself to a new member. He didn't answer, but handed me a business card, one side of which said: "My name is Bill Brewer. The statement on the other side of the card is correct." And on the other side of the card, I saw: "My name is Bill Stewart. The statement on the other side of the card is false." What can you say about the name of this person? 10 candles are lit on the New Year's table. Of these, 3 were extinguished. How many candles will be left? There are milestones on the side of the highway. The highway leads from point A to point B. Each column shows the distance in kilometers from both point A and point B. The distance from A to B is 999 km. How many kilometer posts on which only 2 different numbers are used for both inscriptions? On ordinary cup scales lie: on one cup - a cobblestone weighing exactly 2 kg, on the other - an iron weight, also weighing 2 kg. The scales were carefully lowered into the water. Are the cups still in balance? Four people are standing on one side of the river and a boat is moored at the shore. They all need to get to the other side of the river. It is known that one of them can cross in 1 hour, the second in 2 hours, the third in 5 hours, and the fourth in 10 hours. No more than 2 people can be in the boat at the same time. If there are two people in the boat, then the crossing time should be considered as if the one whose crossing time was longer was crossing. Everyone needs to cross in no more than 18 hours. The boat itself does not move from shore to shore, there must be someone in it.
On one island there is a boy and an apple tree, on the other island there is a grandmother. There is a bridge between the islands. The boy needs to bring 2 apples to his grandmother, but the bridge can only support one boy and one apple. The bridge can only be crossed once. You can’t swim on water, you can’t fly through the air, you can’t dig a tunnel either. How can he carry the apples? There were 13 red, 15 green and 17 blue chameleons on the island. If two chameleons of different colors meet, then they simultaneously change their color to a third one (for example, blue and green change to red). There are 100 knights and 100 knaves living on the island, each of them has at least one friend. Knights always tell the truth, and liars always lie. One morning, each resident said the phrase "All my friends are knights", or "All my friends are liars", and each of the phrases was uttered by exactly 100 people. Find the smallest possible number of pairs of friends, one of whom is a knight and the other a knave. One water lily floats on the surface of the pond, which constantly divides and grows. Thus, every day the area occupied by water lilies doubles. A month later, the entire surface of the pond is covered. How long will it take to cover the entire surface of the pond with water lilies if initially two water lilies float on the surface? A flower floats on the surface of the pond, which is constantly dividing and multiplying. Every day, the area occupied by flowers doubles. A month later, the entire pond is covered with flowers. How long will it take for the pond to overgrow with flowers if there are initially two flowers? A traveler came to the inn. He had no money with him, but he had a six-link silver chain. The owner of the hotel agreed to accept one ring from this chain as payment for the room for each day, but in such a way that he would receive no more than one sawn rings. How should a traveler cut a chain so that he can pay the owner every day for five days? How much does a working day in a metallurgical shop reduce life? There are 2 boxes on the table. One of them contains a ring, and the other contains a chain. Each of the caskets has inscriptions, and on the casket with the ring the inscription is correct, and on the casket with the chain the inscription is incorrect. On the box number 1, the inscription - "There is no chain in this box." On the box number 2 - "The ring and the chain are in this box." Which box contains the ring? There are two glasses on the table: one with wine, the other with water. One spoon of wine was taken from a glass of wine and added to a glass of water. The contents of the latter were thoroughly mixed. After that, they took one spoonful from this glass and poured it back into the glass of wine. Which results in more wine in a glass of water or water in a glass of wine? Five coins lie in a row on the table: the middle one is up heads, and the rest are up tails. It is allowed to turn over three adjacent coins at the same time. Is it possible with the help of several such flips to put all five coins up heads? There are two coins on the table, in total they give 3 dollars. One of them is not 1 dollar. What are these two coins? On the territorial border of two cities (eastern and western), a passenger plane crashed and fell from a high altitude. Question: in which of the cities will the survivors be buried? Three cookie tins have the labels "Oatmeal Cookies", "Chocolate Cookies" and "Malmond Cookies" mixed up. The banks are closed so you can't look inside. You can only take one cookie from one jar and then arrange the labels correctly. Which jar should I take cookies from? Three couples danced at a school party. Boys, like girls, were dressed in suits of different colors: red, green and blue. Once at one of the moments next to the girl in green, the young man in red turned to her: "Isn't it true, it turns out funny: none of us have the color of the suit matches the color of the partner's suit." What color suit was the young man dancing with the girl in red? Name two numbers in which the number of digits is equal to the number of letters that make up the name of each of these numbers. Let's start counting the fingers on the right hand: the first is the little finger, the second is the ring finger, the third is the middle finger, the fourth is the index finger, the fifth is the thumb, the sixth is the index finger again, the seventh is the middle finger again, the eighth is the ring finger, the ninth is the little finger, the tenth is the ring finger, etc. e. Which finger will be 1992? It is necessary to understand if there is any pattern in the next series of numbers and what it is: 8 2 9 0 1 5 7 3 4 6. One boxer won the world championship. At the same time, his coach took all the prize money. How it is? One gentleman, showing his friend a portrait painted for him by one artist, said: "I have neither sisters nor brothers, but the father of this man was my father's son." Who was in the portrait? One of your workers insists on being paid in gold. You have a gold bar worth seven days of this employee's salary. It is already marked into seven equal pieces. If you are only allowed to make two cuts of the ingot, and the worker has to be paid at the end of each day, how can you solve this problem? One of the most ancient paradoxes tells of the teacher of Greek law, Protagoras, who took a poor but very capable young man as a student and agreed to teach him for free, on the condition that when he completed the course of study and won his first lawsuit, he would pay Protagoras a certain amount. The student accepted the conditions of Protagoras, but, having completed his education, did not begin to speak in court. After some time, Protagoras filed a lawsuit against his student, demanding payment of the amount promised to him. Here are the testimonies given by Protagoras and his disciple at the trial.
One king wanted to remove his prime minister, but did not want to offend him too much. He called the prime minister to him, put two sheets of paper in his briefcase and said: "On one sheet I wrote "Go away", and on the second - "Stay". The sheet that you pull out will decide your fate. " The Prime Minister guessed that on both sheets of paper was written "Go away." How, however, did he manage to keep his place under these conditions? One cadet of a military school wrote the following lines about himself: "I have twenty-five fingers on one hand, the same number on the other, five fingers on each foot." How can it be? One store is called "seven bells", but there are 8 bells hanging outside the building. Why? One bear decided to start the journey. He walked a kilometer south, then turned right and walked a kilometer west, then turned another right, walked a kilometer north. It turned out that he came back from where he started the journey. What color is the bear? The satellite makes one revolution around the Earth in an hour and 40 minutes, and the other in 100 minutes. How can it be? One offender was put on trial. During the trial, he faced a difficult choice. "The court finds you guilty," the defendant heard. "Before the sentence is carried out, you are given the last word. Everything depends on you: if you tell the truth, you will be hanged, and if you lie, you will be shot." The criminal, without hesitation, blurted out: "They will shoot me." Consider his answer and say what fate fate has in store for him. One traveler was captured by a tribe whose leader decided that he must die. The leader was a very wise man and gave the traveler the right to choose. The traveler had to say one phrase. If the phrase turned out to be true, then he was thrown from a high cliff. If she was false, then the traveler should have been torn to pieces by lions. But the traveler said such a phrase, after which he was released. What? One fisherman bought himself a new fishing rod 5 meters long. He has to get home by bus, in which it is forbidden to carry objects longer than 3 meters. The rod does not disassemble and does not bend. How can you pack a fishing rod to take it on the bus? One fisherman bought himself a new 5 foot rod. He has to get home by public transport, in which the rules prohibit the transport of objects longer than 4 feet. How is it necessary to pack a fishing rod in order to travel in public transport without violating the rules? One trumpeter could not play in the evening concert - his wife fell ill, and there was no one to replace him. He comes up to the guard and says: "Please, replace me in today's concert. Watchman:" but I don't know a single note! "The watchman agreed. In the evening there is a concert, the orchestra is playing. Now the trumpeters should play a lovely melody. The conductor waved his baton and smiled sweetly at them. Complete silence. Why? One person ate one egg for breakfast every morning. Where did he get the egg from, if it is known that he did not have any chickens, he never bought eggs, he never borrowed them from anyone, he never stole them, and he never received them as a gift? One person purchased a talking parrot from a pet store. Moreover, when he bought it, the seller assured him that the parrot would repeat any word it heard. But when a person brought a parrot home, but for several days he could not get a word from him, no matter what the person said to the parrot. The seller in the pet store did not deceive the buyer. How is this possible? One person stands next to the entrance to one seafood restaurant. An Englishman comes out of a restaurant and says to this man: "They only cook lobsters here." Then, after 5 minutes, an Englishman comes out of the restaurant and says to this man: "only lobsters are cooked here." The person is completely confused and does not understand what is cooked in the restaurant: only lobsters or only lobsters. Can you tell a person what is cooked in this restaurant? Do coniferous and deciduous forests make the same noise? One woman lived in a twelve-room apartment. She had a clock in every room. One Saturday evening at the end of October, she changed all the clocks to winter time and went to bed. When she woke up the next morning, she found that only two dials showed the correct time. Explain. One day Alice met a Lion and a Unicorn resting under a tree. They were strange creatures. Leo lied on Mondays, Tuesdays and Wednesdays and told the truth on all other days of the week. The unicorn behaved differently: he lied on Thursdays, Fridays and Saturdays and told the truth on all other days of the week. They made the following statements:
One day, the great Sam Cooper, owner of the Balls and Rackets sporting goods store, was testing a new batch of tennis balls. Suddenly he noticed that three of the crates were labeled incorrectly. Being a well-known puzzle lover, he saw this situation as a great opportunity to break his head. Here are the conditions for this puzzle.
One evening in 1994, a time traveler pressed a button on his time machine. Seconds later, her digital display showed 1858, then 1859, and suddenly the number 1900 appeared on the display. Can you tell what the next number will appear on the display? Once Mary, walking with her husband Ralph, met Christopher, who, by the way, was the grandfather of the wife of the only son of her only sister's mother-in-law. Who was Christopher to Ralph and Mary? Once on vacation at the round table there were five guys from Moscow, St. Petersburg, Novgorod, Perm and Tomsk: Yura, Tolya, Alyosha, Kolya and Vitya. A Muscovite sat between a Tomsk and Vitya, a St. Petersburger between Yura and Tolya, and a Permian and Alyosha sat opposite him. Kolya has never been to St. Petersburg, and Yura has never been to Moscow or Tomsk, and Tolya and Tolya correspond regularly. Determine in which city each of the guys lives. One day Susan went to the arena to go for a ride. The horse she usually rode was busy, so she took another. Everything was great until something scared the animal. Susan, not having the skills to control this horse, could not calm her down, and the animal rushed straight to the huge fence. Think about what action Susan can perform that will make the horse stand up without the girl falling out of the saddle? One day, Alice turns to her friend Betty with the words: "I heard a funny anecdote from Katya." And he starts talking about it. But Betty tells her that she knows this anecdote. Alice exclaims: "It turns out that Kathy already told you!" "Not at all," Betty replies, "I've never heard or read it before." Explain how this could happen? One person was asked: - How old are you?
One master was brought seven chains of 5 links each. He was asked to connect them into one continuous chain. He was able to do this, while he disconnected and reconnected only 5 links. How did he do it? About twenty cars rush along the highway with a large excess of speed. Despite the fact that there are many witnesses around, not a single complaint has been received by the police. Even if someone complained, it is highly unlikely that the police would do anything. In fact, the police already knew about it! What's happening? He met her in the desert of Central Asia. A couple of years later, she took his last name, did not live with him. Who are these two? Two men need to get from 1905 Square to the metro station. One of them was driving a car at an average speed of 40 km / h, and the other was walking, although he ran the first 200 meters at a speed of 15 km / h. The distance between the points is 10 km. How is it that both of them arrived at the same metro station at the same time? They also set off at the same time. From a full glass of coffee I drank half and added the same amount of milk. Then I drank a third of the resulting coffee with milk and added the same amount of milk. Then I drank a sixth of the resulting coffee with milk, filled the glass with milk to the top and drank it all to the end. What did I end up drinking more: milk or black coffee? The squad of soldiers went to the bank of the river. It was planned to cross the existing bridge to its opposite bank, but due to repairs it turned out to be closed for crossing. Near the bridge, two boys were fishing from a boat, who gladly agreed to help the soldiers in the crossing. However, their boat was so small that it could keep afloat either one soldier or themselves. But this problem was immediately resolved, and the soldiers successfully crossed with the help of the same boat. How did the crossing take place? A father named Nikolai and his son and a father named Peter and his son went fishing. The number of fish caught by Nicholas ends in 2, and the number of fish caught by his son ends in 3, the number of fish caught by Peter also ends in 3, and the number of fish caught by his son ends in 4. The number of fish caught by our anglers together, coincides with the square of some natural number. What is the name of Nicholas's son? |