Which pair of numbers is the odd one out?

C. 4, 6

Select the odd number pair from the following options.

D. 30, 32

Which pair of words is different from the others?

D. PILOT - CAR

Choose the odd letter group: ABC, DEF, GHI, JKL, MNO

A. ABC

Select the pair that does not belong to the group.

B. (2, 4)