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 - (10 - 20) , (30 - 40) , (40 - 50) , (50 - 60)

A. 10 - 20

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

D. 86 - 99

choose odd numeral pair/group -
( 5:50 ), ( 8:128 ), ( 11:242 ), ( 15:370 )

A. 15:370