Question

If 25 = 35 34 = 28 78 = 120 Then 56 = ?

Answer 1

25=35

addition of numbers in 25

2+5=7

now this 7 ×second digit of 25 we get

7×5=35

34=28

3+4=7

7×second digit in 34

7×4=28

78=120

7+8=15

15×8=120

now 56

5+6=11

11×6=66