In a race, five participants: P, Q, R, S, and T have the following conditions: P finishes before Q but after R. S finishes before T. Who finishes last?
Four friends, A, B, C, and D, went to a party in the following order: A arrived before C but after B. D arrived after A. What is the correct order of their arrival?
In a family of six members A, B, C, D, E, and F, A is the father of B. C is the mother of B. D is the brother of B. E is the sister of B. F is the grandfather of B. Who is the grandmother of B?
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 if he is not in education or healthcare?