Choose or find odd word - Bromine , Mercury , Copper , Silver

A. BROMINE

Choose or find odd number - 51 , 144 , 64 , 121 , 256

A. 51

Choose or find odd letter group - AJKL , IXYZ , EPQR , OFGH , VCBA

A. VCBA

Choose or find odd word - Beaches , Lagoons , Bars , Moraines

B. MORAINES

Choose or find odd pair of words - (Beautician : Parlour) , (Chemist : Medicine) , (Lawyer : Court) , (Engineer : Site)

B. CHEMIST : MEDICINE