When any number is multiplied by 6 and the digits of the answer are added the sum will be divisible by 6?

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02-01-2018
Mathematics

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When any number is multiplied by 6 and the digits of the answer are added the sum will be divisible by 6?

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Edufirst Edufirst · Answer 1 · 2018-01-11T12:18:51+01:00

Edufirst Edufirst

11-01-2018

Let's probe some numbers.

3 * 6 = 18

1 + 8 = 9

9 is not divisible by 6.

Therefore, we have found a counterexample which proves that the original statement is false and we can conclude that it is not true that when any number is multiplied by 6 and the digits of the answer are added the sum will be divisible by 6.

Answer: false

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