Blood Relation Test - Verbal and Reasoning

Q1:

Pointing a photograph X said to his friend Y, "She is the only daughter of the father of my mother." How X is related to the person of photograph?

A Daughter

B Son

C Nephew

D Cannot be decided

ANS:B - Son

Explanation: 'The only daughter of the father of X's mother' means mother of X. Hence X is the son of the lady in the photograph.