In a row of chairs, A is sitting to the left of B and to the right of C. D is sitting to the right of A. Who is sitting in the middle?

A. A

In a linear arrangement, P is to the left of Q and R is to the right of Q. If S is sitting at one end, who is sitting at the other end?

C. R

In a circular arrangement, X is sitting between Y and Z. If W is sitting opposite X, who is sitting next to W?

A. Y

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 sitting at one of the ends. T is sitting to the right of S. Who is sitting in the middle?

A. P

In a straight line, P is to the left of Q and R is to the right of Q. S is to the left of P. Who is sitting at the extreme right?

C. R