Choose or find odd pair of words - (Oil : Lamp) , (Water : Tap) , (Oxygen : Life) , (Power : Machine)

B. WATER : TAP

Choose or find odd letter group - BdE , XpD , HQu , MkV , PtZ

A. HQU

Choose or find odd word - Ode , Lyric , Sonnet , Limerick , Epic

E. EPIC

Choose or find odd letter group - PRVX , MQTV , DHKM , BFIK

A. PRVX

Choose or find odd pair of words - (Waist : Belt) , (Neck : Tie) , (Wrist : Band) , (Shoe : Laces)

D. SHOE : LACES