Choose or find odd word - Nun , Knight , Monk , Priest , Padre

B. KNIGHT

Choose or find odd word - Kathakali , Disco , Garba , Bhangra , Kathak

B. DISCO

Choose similar word - Peat : Lignite : Bituminous

C. ANTHRACITE

Choose or find odd word - Olympus , Apollo , Nataraj , Diana

D. DIANA

Choose or find odd word - Mercury , Acetone , Petrol , Kerosene

A. MERCURY