Choose or find odd number pair - (343 - 7) , (243 - 9) , (512 - 8) , (216 - 6)

B. 243 - 9

Choose or find odd number pair - (42 - 4), (36 - 6), (32 - 2), (15 - 5)

A. 42 - 4

Choose or find odd number pair - (72 - 45) , (51 - 24) , (46 - 20) , (32 - 13)

D. 32 - 13

Choose or find odd number pair - (16 - 18) , (56 - 63) , (96 - 108) , (86 - 99)

D. 86 - 99

Choose or find odd number pair - (24 - 21) , (46 - 32) , (62 - 23) , (84 - 24)

C. 62 - 23