Choose or find odd letter group - WHEAT , TRAIN , PROUD , DRIVER

D. DRIVER

Choose or find odd letter group - MOTXYZ , GKRVWX , PSBEFG , ORNODF , CHJLMN

D. ORNODF

Choose or find odd word - Nail , Feather , Trunk , Fir , Tail

D. FIR

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

A. 15:370

Choose or find odd letter group - PQO , AtB , SIM , mnZ , DfE

D. MNZ