Question

2+2=5, 4+4=10, 6+6=15, 8+8=20, 1+1=?

Answer 1

the first 2+2=5 means 2+2=4 and +1=5

and second 4+4=10means +2=10

and last 1+1=25

Answer 2

Given : 2+2=5  4+4=10  6+6=15  8+8=20

To Find :  1+1=?

Solution:

2+2=5

=> 2 + 2  + 2/2  = 5

4+4=10

=> 4 + 4  + 4/2  = 10

6+6=15  

=> 6 + 6 + 6/2 = 15

8+8=20

=> 8 + 8  + 8/2 =  20

1 + 1

= 1 + 1 + 1/2

= 2.5

1 + 1 = 2.5

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