Question

1+4=5
2+5=12
3+6=21
8+11=

Answer 1

the answer to the question is 42.

Answer 2

hey,

take the next number in each set in second row...

1+4=5

2+5=12

3+6=21

8+11=???

answer:

1*5   = 5

2*6  =12

3*7   =21

8*12 =96...

hence,96 is the answer..

omlakade's way:

1*4+1 =5

2*5+2 =12

3*6+3 =21

8*11+8 =96

hope it helps you..have a nice day bye...