A'is B's brother, C is A's mother, D is C's father, F is A's son. How is B related to F's child?
[SSC Matric level, 2002]
Answer: Option D
A is brother of B. C is mother of A. D is father of C. F is son of A. A is grandfather of F's child. Therefore, B is grand-father of F's child. Note: The gender of B is not known. But considering the given options option D is the best match.