Select the group that does not belong with the others.

D. 8, 10

Which pair of numbers is the odd one out?

C. 2, 4

Select the odd pair of numbers:

A. 15, 25

Find the odd number pair from the list below.

A. 21, 27

Choose the odd number pair: (3, 5), (7, 11), (13, 15), (17, 19)

C. (13, 15)