Directions: In the sentence given below four words which are numbered (1),(2),(3)and (4) have been printed in bold type, one of which may be either inappropriate in the context or the sentence or wrongly spelt. The number of that word is the answer. If all the four words are appropriate and also correctly spelt, mark (5) i.e. all correct as the answer.

I was taken (1) aback when a ten (2) year old boy told me that he (3) knew to (4) operate a revolver. (5) All correct.