Five friends, P, Q, R, S, and T, are seated in a row. P is not at either end. Q is sitting to the left of R. S is sitting at one of the ends. Who is sitting in the middle?
In a circular arrangement of 6 friends: P, Q, R, S, T, and U, P is sitting opposite to R. Q is sitting to the immediate left of S. T is sitting between S and U. Who is sitting to the immediate right of Q?
A, B, C, D, and E are seated in a straight line. A is to the left of C but to the right of B. D is not at either end. Who is sitting at the extreme right?