Digital Summation

Probability Level pending

A 2-digit number (greater than 9) D D is divisible by 2 and the sum of its digits is divisible by 3.

What is the smallest number possible solution for D D


The answer is 12.

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2 solutions

X X
May 2, 2018

The sum of its digits is divisible by 3 means it is divisible by 3,so D is divisible by 2 and 3,we get D is a multiple of 6.If it's 2 digits,then it is 12

Giorgos K.
May 1, 2018

10...12...ok 12

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