Question

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

Answer 1

Hi there

Your answer is :- 96

1 + 4 = 5 ( 1 × 4 + 1 = 5 )

2 + 5 = 12 ( 2 × 5 + 2 = 12 )

3 + 6 = 21 ( 3 × 6 + 3 = 21 )

8 + 11 = 96 ( 8 × 11 + 8 = 96 )


Thank You

Answer 2

Given :  1 + 4 = 5

2 + 5  = 12

3 + 6  = 21

To Find : 8 + 11  = ?

Solution:

1 + 4 = 5

1 * 4  + 1  = 5

2 + 5  = 12

2 * 5 + 2 = 12

3 + 6  = 21

3 * 6 + 3 = 21

Similarly

8  + 11   = 8 * 11 + 8  = 96

Hence 8 + 11 = 96

Logic used is

a + b   = c

=> c =  a × b + a

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