A team of four members is to be formed from the following candidates: P, Q, R, S, and T. The selection criteria are: 1) P and Q cannot be selected together. 2) R must be included if S is selected. 3) T can be included only if P is not selected. Which of the following selections is valid?

D. Q, R, S

A, B, C, D, and E are five students. The following conditions are true: A scored higher than B and C. D scored lower than E but higher than A. Who scored the lowest?

B. B

In a class, there are three students: P, Q, and R. P scored more than Q but less than R. If R scored 85 marks, what is the maximum score P can have?

A. 84

In a group of five friends - A, B, C, D, and E - the following conditions are given: A is taller than B but shorter than C. D is shorter than E but taller than A. Who is the tallest among them?

C. C

There are four boxes labeled P, Q, R, and S. The following conditions are given: Box P contains more items than Box Q. Box R contains fewer items than Box S. Which box contains the least items?

C. R