A committee of four members is to be formed from the following individuals: P, Q, R, S, and T. The selection criteria are: 1) P cannot be selected if Q is selected. 2) R must be included if S is included. 3) T can be included only if P is not included. Which of the following combinations meets these criteria?
In a family, there are four members: M, N, O, and P. M is the grandmother of O, N is the father of O, and P is the sister of N. If O is a student, what is M's relationship to P?
In a race, five participants A, B, C, D, and E finish in the following order: A finishes before B but after C. D finishes before E but after B. What is the sequence of their finishing positions?