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

B. WATER : TAP

Choose or find odd pair of words - (Newspaper : Editor) , (Film : Director) , (Stamps : Pholatelist) , (Book : Author)

C. STAMPS : PHOLATELIST

Choose or find odd pair of words - (Rice : Corn ) , (Tomato : Potato) , (Student : Class) , (Book : Library)

B. TOMATO : POTATO

Choose or find odd pair of words - (Jupiter : Planet) , (Musician : Artist) , (Merchant : Business) , (Maize : Cereal)

C. MERCHANT : BUSINESS

Choose or find odd pair of words - (Farmer : Plough) , (Butcher : Chopper) , (Author : Book) , (Jockey : Tack) , (Lumberjack : Axe)

C. AUTHOR : BOOK