N is the grandfather of O. P is the father of O. How is N related to P?

B. FATHER

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

A. A

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

B. ENGINEER

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

C. TEACHER

In a family, there are two brothers and one sister. The sister is a doctor, and one brother is a lawyer. If the other brother is not a lawyer, what is his profession?

B. ENGINEER