A is the brother of B. C is the sister of A. How is C related to B?

A. SISTER

X is the father of Y. Y is married to Z. What is Z's relation to X?

B. DAUGHTER-IN-LAW

P is the uncle of Q. Q is the daughter of R. If R is P's brother, how is R related to Q?

A. FATHER

A is the sister of B. C is the brother of A. D is the father of B. How is D related to C?

A. FATHER

A is the grandmother of B. C is the mother of B. How is C related to A?

A. DAUGHTER