A is B's brother. C is A's mother. D is C's father. How is B related to D?
Q1. A is B's brother. C is A's mother. D is C's father. How is B related to D?
Answer: Granddaughter/Grandson
Explanation: C is mother of A and B (siblings). D is C's father → D is grandfather of B. Blood relation questions need a quick family tree sketch.