M is the daughter of N. O is the son of N. How is O related to M?

A. BROTHER

If G is the uncle of H, and H is the son of I, what is the relationship of G to I?

B. BROTHER-IN-LAW

If G is the uncle of H and H is the daughter of J, what is the relationship of J to G?

C. BROTHER-IN-LAW

If P - Q means P is the daughter of Q, P + R means P is the sister of R, and Q × R means Q is the mother of R, what is the relationship of R to Q?

B. R IS Q'S DAUGHTER

If P is the grandmother of Q, and Q has a brother R, what is R's relation to P?

A. GRANDSON