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

B. THAILAND

Choose or find odd pair of words - (Pistol : Gun) , (Knife : Dagger) , (Engine : Train) , (Car : Bus)

C. ENGINE : TRAIN

Choose or find odd pair of words - (Cow : Calf), (Dog : Bitch), (Lion : Cub), (Tortoise : Turtle), (Insect : Larva)

B. DOG : BITCH

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

C. NARMADA

Choose or find odd pair of words - (Mercury : Sun) , (Moon : Earth) , (Star : Galaxy) , (Wheel : Axle)

C. STAR : GALAXY