Choose the odd number pair from the following options.

B. (2, 4)

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

D. (25, 50)

Choose the odd pair of numbers from the list.

B. 10, 20

Which of the following pairs is different from the others?

D. 3, 5

Which pair of numbers is the odd one out?

C. 4, 6