Choose or find odd word - Madagascar , Thailand , Cude , Greenland , Tasmania

B. THAILAND

Choose or find odd word - Mahanadi , Cauvery , Narmada , Krishna

C. NARMADA

Choose or find odd word - Copper, Tin, Brass, Platinum, Zinc

C. BRASS

Choose or find odd word - Doe , Bitch , Sorceress , Drone , Mare

D. DRONE

Choose or find odd word - Granite , Lignite , Peat , Anthracite , Bituminous

A. GRANITE