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Puzzle: Find the missing number?

+4 votes
1,472 views

If

4+5+4+5=81
5+6+5+6=16
6+7+6+7=64
1+2+1+?=16

What is the missing number?

posted Jan 15, 2014 by Luv Kumar

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2 Answers

0 votes
 
Best answer

Third number is same as first one and fourth is same as second one in all the cases so the missing number is 2.

answer Jan 15, 2014 by Salil Agrawal
0 votes

4+5+4+5=18, 1+8=9, 9*9=81
5+6+5+6=22, 2+2=4, 4*4=16

following the same logic...
missing number is 0

answer Jan 15, 2014 by Atul Mishra
Answer by the same logic can also be 9. Both 0 and 9 are the correct answers!
@Atul: Don't think too much its very simple puzzle...



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