A family consists of a mother, father, and three children: X, Y, and Z. X is the eldest child and is a teacher. Y is a student. Z is the youngest child. If the mother is a nurse, what is the profession of the father?
In a family, there are four members: P, Q, R, and S. P is the father of Q. R is the mother of Q. S is the sister of Q. If R is a teacher, what is the relationship of S to P?
In a circular seating arrangement, A is sitting to the immediate left of B and to the immediate right of C. If D is sitting opposite A, who is sitting to the immediate right of D?