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?
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 race, five runners X, Y, Z, W, and V finished in a certain order. X finished before Y but after Z. W finished before V but after Y. What is the correct order of finishing?
Five books A, B, C, D, and E are arranged on a shelf. A is to the left of B but to the right of C. D is to the right of E. What is the correct order of the books from left to right?