Which of the following is the odd group?

D. 1, 3, 5

Which of the following groups is different from the others?

D. 1, 3, 5

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

D. (4, 6)

Identify the odd pair of numbers from the following options.

C. (12, 18)

Select the odd pair of numbers from the following options.

D. (14, 21)