Which pair of numbers is the odd one out?

C. 2, 4

Select the pair that does not belong to the group.

C. (5, 30)

Find the odd number pair from the following options.

D. (9, 18)

Choose the pair of words that does not belong with the others.

A. PARENT - CHILD

Which pair of numbers is the odd one out?

C. 4, 6