The Math Puzzle

Number Theory Level 1

Find the answer in place of the '?'


The answer is 13.

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Anuj Shikarkhane by Anuj Shikarkhane , 19, India

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3 solutions

Prashast Maurya
Oct 31, 2014

in each column , there are successive prime numbers

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1st row---3+11+5=19
3rd row---7+17+5=29
2nd row--5+x+5=23
x=13
I hope it works...



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Eva Donlon
May 24, 2015

They are prime numbers going in order in each column. So the answer was 13.

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