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

C. R

In a circular arrangement, M is sitting between N and O. P is sitting opposite M. If Q is sitting to the immediate left of O, who is sitting to the immediate right of N?

A. M

A family consists of four members: P, Q, R, and S. P is the father of Q, Q is the sister of R, and S is the mother of R. Who is the father of R?

A. P

In a race, five participants A, B, C, D, and E finish in the following order: A finishes before C but after B. D finishes before E but after A. What is the correct sequence of finishers from first to last?

A. B, A, C, D, E

In a group of five friends: A, B, C, D, and E, the following conditions apply: A is taller than B but shorter than C. D is shorter than E but taller than A. Who is the tallest among them?

C. C