Choose or find odd word - Buffalo , Llama , Cow , Goat , Camel

B. LLAMA

Choose or find odd number pair - (21 - 6) , (28 - 42) , (42 - 12) , (84 -24)

B. 28 - 42

Choose or find odd word - Rigveda , Yajurveda , Atharvaveda , Ayurveda , Samveda

D. AYURVEDA

Choose or find odd word - Birbal , Abul Fazal , Tansen , Faiz Ahmed , Todar Mal

D. FAIZ AHMED

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

C. AUTHOR : BOOK