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.
(Saw : Wood) , (Pen : Paper) , (Author : Book) , (Chalk : Blackboard)
Option:
Justification: In all other pairs, first is the tool which works over the second.
