Guessing age. Effective trick and its solution

EFFECTIVE FOCUSES AND THEIR CLUES
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Guessing age. Focus Secret

Spectacular tricks and their clues

Directory / Spectacular tricks and their clues

Focus Description:

An interesting way to find out the age of a person begins with the fact that he is asked to perform a series of some actions that lead to a number that has nine as its digital root. Then they offer to add their age to the received number and tell you the amount. By this amount, it is easy to find out the age of the viewer.

Focus secret:

First find digital root amounts. Then add nines to it until the resulting number seems to you the closest to the age of your interlocutor. This number will be the desired age. Suppose, for example, that you asked the viewer to write down any number and multiply it by 9, after which he got 2826. To this number he added 40, his age, and told you the sum: 2866. The digital root of this number is 4; adding nines to four, we get the numbers 13, 22, 31, 40, 49, etc., since it is not difficult to estimate the age with an accuracy of 9 years, you establish that 40 will be the correct answer.

Accountants-auditors often check the correctness of addition and multiplication using digital roots. For example, addition can be controlled as follows: first, find the digital root of the entire set of digits included in the terms, and then the digital root of the sum. If the latter was found correctly, the roots should match. This circumstance can be used for focus in the following way.

Author: M.Gardner

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