Which letter is 3 positions after 'X' in the alphabet?

C. A

In a family of five members A, B, C, D, and E, A is a doctor and is married to B. C is the sister of A and is a teacher. D is the father of E and is a lawyer. Who is the mother of E?

B. B

In a family, there are three children: X, Y, and Z. X is the eldest and is a musician. Y is a painter and is younger than X but older than Z. What is Z's profession?

C. UNKNOWN

A family consists of a father, a mother, and two children. The father is a banker, the mother is a nurse, and one child is a student. If the other child is not a student, what is their profession?

D. UNKNOWN

In a family, P is the son of Q. R is the daughter of Q and S is the wife of Q. If T is the brother of P, what is T's relationship to R?

A. BROTHER