In a race, X finished before Y but after Z. W finished after Y. Who finished first?

C. Z

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?

C. C

Among A, B, C, D, and E, A is heavier than B but lighter than C. D is heavier than E but lighter than A. Who is the lightest?

B. B

Five friends, P, Q, R, S, and T, are sitting in a row. P is to the left of Q but to the right of R. S is to the left of T. Who is sitting in the middle?

A. P

In a group of five people, M is older than N but younger than O. P is older than M but younger than Q. Who is the youngest?

B. N