1) Pointing to a lady, a man said, "The son of her only brother is the brother of my wife." How is the lady related to the man ? A) Mother's Sister B) Grandmother C) Mother-in-law D) Sister of Father-in-law E) Maternal aunt Answer: Option DExplanation:Wife's brother - Brother-in-law. Son of lady's brother is the brother-in-law of the man. So, lady's brother is man's father-in-law i.e. the lady is the sister of man's father-in-law.