Choose or find odd number - 27 , 125 , 343 , 729 , 1321

E. 1321

Choose or find odd word - Rat , Squirrel , Mongoose , Mole , Porcupine

C. MONGOOSE

Choose or find odd word - Mumbai , Cochin , Kandla , Mysore , Vishakhapatnam

D. MYSORE

Choose or find odd word - Tiger , Lion , Fox , Leopard , Panther

C. FOX

Choose or find odd pair of words - (Atom : Electron) , (Train : Engine) , (House : Room) , (Scooter : Gears) , (Curd : Milk)

A. CURD : MILK