If 1+1=5, 2+2=20, 3+3=45, 5+5=125,Then 8+8=?

 

Answer

If 1+1=5, 2+2=18, 3+3=39, 4+4=68, then what is the value of 8+8?

8+8=264

Proof:

1+1=5

i.e,1+1+1+1+1=5.

5 times add 1

2+2=18

i.e,2+2+2+2+2+2+2+2+2=18

9 times add 2

i.e,the times of adding a number is incremented by four.

3+3=39

i.e,3+3+3+3+3+3+3+3+3+3+3+3+3=39

13 times add 3

Similarly,the times of adding a number is incremented by four.

4+4=68

i.e,4+4+4+4+4+4+4+4+4+4+4+4+4+4+4+4+4=68

17 times add 4

Similarly,the times of adding a number is incremented by four.

Similarly,for 8+8=264

33 times 8 get added by 8 following the above series

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