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What number should replace the question mark?

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posted Aug 14, 2014 by Sidharth Malhotra

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1 Answer

+4 votes

Answer is 2
Each rows total = 18
8+1+6+3 = 18
7+5+4+2 = 18
1+2+9+6 = 18
3+2+5+8 = 18
7+3+6+x = 18
So x= 18-16 = 2

answer Jan 28, 2015 by Jaspalsingh Parmar
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