Question

2+2=4,3+3=10,4+4=18,5+5=28,6+6=40,8+8=?

Answer 1

I think 70 is the answer but not by direct adding . First do squaring of the no. than start adding from 0 to 5 like .... 2×2+0=4,3×3+1=10,4×4+2=18,5×5+3=28,6×6+4=40,7×7+5=54,8×8+6=70

Hope it will help you

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