Question

If 12+23=15
34+14=35
27+53=72
then 42+36=?

Answer 1

Answer:

Step-by-step explanation:12+23=15

1+2=3,2+3=5

3×5=15

34+14=35, 7×5=35

27+53=72, 9×8=72

42+36=54, 6×9=54

Answer 2

Given:

12 + 23 = 15 , 34 + 14 = 35 , 27 + 53 = 72

We have to find the value of 42 + 36 = ?

Solution:

The pattern follow:

ab + cd = (a + b) × (c + d)

12 + 23 = (1 + 2) × (2 + 3)

= 3 × 5 = 15

34 + 14 = (3 + 4) × (1 + 4)

= 7 × 5 = 35

27 + 53 = (2 + 7) × (5 + 3)

= 9 × 8 = 72

Similarly,

42 + 36 = (4 + 2) × (3 + 6)

= 6 × 9 = 54 = ?

∴ Missing number (?) = 54

Thus, if 12 + 23 = 15 , 34 + 14 = 35 , 27 + 53 = 72, then "42 + 36 = 54".