Identify the odd number pair from the following groups.

B. 12, 18

Select the odd group of numbers from the following options.

D. 5, 10

Which pair of numbers is the odd one out?

C. 4, 6

Which of the following groups contains the odd one out?

A. 1, 2, 3

Which of the following pairs of numbers is the odd one out?

C. (4, 6)