Five friends P, Q, R, S, and T are sitting in a row. Q is sitting to the left of R but not next to S. T is sitting at one of the ends. Who is sitting in the middle?
In a row of five seats, P is sitting at one end, Q is sitting next to P, R is sitting to the right of Q, and S is sitting to the left of R. Who is sitting in the middle?
In a circular arrangement, X is sitting opposite Y. Z is sitting to the immediate right of X. If W is sitting to the immediate left of Y, who is sitting next to Z?
In a circular seating arrangement, A is sitting to the immediate left of B, and C is sitting to the immediate right of A. If D is sitting opposite to B, who is sitting to the immediate left of C?