In this question, find the odd number pair from the given alternative.
73-61
57-29
47-59
42-29
D.
42-29
73-12 = 61
69-12 = 57
59-12 = 47
But,
42-13 = 29
Except for the number-pair 42-29, there is a difference of 12 between the two numbers in all other number-pairs.