From the set of items: X, Y, Z, W, and V, the following selection conditions apply: 1) X and Y cannot be selected together. 2) Z must be selected if W is selected. 3) V can be selected only if Y is not selected. Which selection is valid?
In a circular table, X is sitting directly opposite Y. Z is sitting to the immediate left of X, and W is sitting to the immediate right of Y. Who is sitting between Z and W?
In a circular seating arrangement, A is sitting to the immediate left of B, and C is sitting to the immediate right of B. If D is sitting opposite A, who is sitting to the immediate right of C?
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 to the right of T. Who is sitting in the middle?