Verbal Reasoning - Mental Ability Questions

Sweety's mother's son---Sweety's brother.
So, Sripad is the son of Sweety's brother or Sweety is Sripad's Aunt.

D is father of A and grandfather of F. So, A is father of F. 

Thus, D and A are the two fathers. C is the sister of F So, C is the daughter of A. 

Since there is only one mother, it is evident that E is the wife of A and hence the mother of C and F. 

So, B is brother of A There are three brothers. So, F is the brother of C. 

A, the father. is male B, the brother, is male, C, the sister, is female D, the grand-father, is male, E, the mother, is female F, the brother, is male. 

So, there are four males. 

An infinitive is a verbal that can function as noun, adjective, or adverb.

Having or involving the basic form of a verb is called Infinnitive clause.

Way to know whether there is an infinitive is to see whether there is the word "to" in the sentence.

Hence, option B) It is normal to make mistakes. is an infinitive sentence.

Season can be either at peak or off.
Presently it is low, that is because of OFF season.