Choose the odd letter group: A, B, C, D, E

D. E

Choose the odd letter group: X, Y, Z, A, B

D. A

Select the odd pair of numbers:

B. 10, 20

Choose the odd letter group: T, U, V, W, Z

D. Z

Choose the odd letter group: LMN, OPQ, RST, UVW, XYZ

D. UVW