Which of the following groups contains the odd one out?

A. 1, 2, 3

Select the odd group of numbers from the following.

D. (25, 30)

Which pair of numbers is the odd one out?

C. 2, 4

Select the odd pair of numbers:

B. 10, 20

Which of the following groups is different from the others?

D. 1, 3, 5