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WBCS Preliminary Examination 2018 — General Studies · Question 153 of 200

Q153
ReasoningBlood Relations
A is the father of B, C is the brother of A, F is the sister of B. If M is the father of A, then establish the relationship between F and C.
  1. a.Daughter and Father
  2. b.Husband and Wife
  3. c.Brother and Sister
  4. d.Niece and Uncle

Answer: (D) Niece and Uncle

A is the father of B, and F is B's sister, so F is A's daughter. C is A's brother, so C is the brother of F's father, i.e. F's paternal uncle. Hence F and C are niece and uncle. The information about M (father of A and C) is extra and is not needed to answer.