A and B are sisters. C is the brother of A. D is the father of C. How is D related to B?
Show answer & explanation
Correct answer: A
Explanation
A and B are sisters.
C is A's brother.
D is C's father.
If D is C's father and C is A's brother, then D must also be A's father.
A and B are sisters ⇒ B is A's sister ⇒ B is also a child of D.
Therefore, D is B's father.