Three friends - Jack, Jill, and John - have different favorite colors: Red, Blue, and Green. Jack does not like Blue. Jill's favorite color is not Red. What is John's favorite color?

C. GREEN

In a family of four members A, B, C, and D, A is the father of B. C is the mother of B and D is the sister of B. What is the relationship of D to A?

A. D IS A'S DAUGHTER

In a family, there are three children: X, Y, and Z. X is the brother of Y, and Y is the sister of Z. How is Z related to X?

A. Z IS X'S SISTER

A family consists of a father, a mother, and two children. The father is a doctor, the mother is a teacher, and the son is a student. What is the profession of the daughter if she is not a student?

C. ENGINEER

In a family, P is married to Q. They have two children, R and S. R is a doctor and S is a lawyer. What is the profession of Q if P is a teacher?

C. TEACHER