In a race, five participants - P, Q, R, S, and T - finished in the following order: P finished before Q but after R. S finished before T. Which of the following statements is true?

D. R FINISHED FIRST

In a group of five friends: Alice, Bob, Charlie, David, and Eva, the following conditions are given: 1) Alice and Bob cannot be selected together. 2) Charlie must be selected if David is selected. 3) Eva can only be selected if Bob is not selected. Which of the following groups can be selected?

D. CHARLIE, DAVID, EVA

A, B, C, D, and E are five different colored balls. The following conditions apply: A is not red, B is blue, C is green, D is not blue or green, and E is red. Which ball is yellow?

D. D

A team of four players: X, Y, Z, and W is to be selected based on these conditions: 1) Only players who scored more than 50 points in the last game can be selected. 2) X scored 60 points, Y scored 45 points, Z scored 70 points, and W scored 50 points. Which players can be selected?

C. X AND Z

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 and Q cannot be on the committee together. 2) R must be included if S is included. 3) T can only be included if P is not included. Which of the following combinations is valid?

B. Q, R, S, T