Friday 31 October 2014

If 6 + 2 = 40 , 4 + 3 = 25 then 7 + 1 = ????

If 6 + 2 = 40
4 + 3 = 25
6 + 6 = 72
5 + 10 = 125
then 7 + 1 = ????

Solve it if you can.. :)

Click here for Answer

The logic is that we have take the squares of the two numbers and add them.
6� + 2� = 40.
4� + 3� = 25.
and so on.
Hence 7 + 1 = 7� + 1� = 49 + 1 = 50
Answer is 50.

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