In a family, there are three siblings: X, Y, and Z. X is older than Y but younger than Z. If Z is a doctor and Y is a teacher, what is X's profession?

D. UNKNOWN

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

C. UNKNOWN

In a family, there are four members: P, Q, R, and S. P is the father of Q, Q is the sister of R, and S is the mother of R. Who is the eldest member of the family?

A. P

A family has five members: A, B, C, D, and E. A is the grandmother of C, B is the father of C, D is the brother of C, and E is the mother of C. Who is the youngest member of the family?

C. C

In a family of four members A, B, C, and D, A is a doctor, B is a teacher, C is a lawyer, and D is a student. If A is the father of C and B is the mother of D, who is the lawyer?

C. C