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Puzzle: Find the missing number?

+4 votes
1,697 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 (Check Answer ▼)





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