K is the daughter of L. M is the son of L. N is the sister of M. How is N related to K?

A. COUSIN

If A is the brother of B and C is the sister of B, what is C to A?

A. SISTER

If J ÷ K means J is the daughter of K, and K - L means K is the mother of L, what is the relationship between J and L?

A. SISTER

If X is the father of Y and Y is the brother of Z, what is Z's relation to X?

C. CHILD

If D is the daughter of E and E is the mother of F, what is the relationship of F to D?

B. BROTHER