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

A. SISTER

P is the daughter of Q. R is the father of P. S is the sister of R. How is S related to Q?

A. SISTER-IN-LAW

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

D. SISTER

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

A. SISTER

K is the grandmother of L. M is the mother of L. How is M related to K?

A. DAUGHTER