Which of the following groups is different from the others?

A. 1, 2

Choose the group that does not belong with the others.

B. 2, 4

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

C. (13, 15)

Identify the odd group of numbers from the following:

D. 12, 14, 16

Which of the following groups contains the odd one out?

A. 1, 2, 3