Choose or find odd word - Cot , Sheet , Quilt , Pillow , Blanket

A. COT

Choose or find odd word - Brook , Bridge , Stream , Canal

B. BRIDGE

Choose or find odd number pair - (48 - 134) , (40 - 110) , (18 - 48) , (30 - 80)

C. 18 - 48

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

D. AYURVEDA

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

A. MERCURY