In Choose odd pair of words type of questions, certain pairs of words are given out of which the words in all the pairs except one, bear a certain common relationship. The candidate is required to decipher this relationship and chose the pair in which the words are differently related, as the answer.
(Pistol : Gun) , (Knife : Dagger) , (Engine : Train) , (Car : Bus)
Option:
Justification: In all other pairs, the two words belong to the same class.
