In a class of five students, P, Q, R, S, and T, P is taller than Q but shorter than R. S is shorter than T but taller than Q. Who is the tallest among them?

B. R

In a circular arrangement, X is sitting between Y and Z. If W is sitting opposite to Y, who is sitting next to W?

A. X

In a group of five friends: A, B, C, D, and E, the following conditions apply: A is taller than B but shorter than C. D is shorter than E. C is not the tallest. Who is the tallest among them?

D. E

In a group of five friends: Alice, Bob, Charlie, David, and Eva, the following conditions apply: 1) Alice cannot be selected if Bob is selected. 2) Charlie can only be selected if David is also selected. 3) Eva can be selected regardless of the others. Which of the following groups can be selected?

C. CHARLIE, DAVID, EVA

In a class, there are three types of students: A, B, and C. Student A is good at mathematics, Student B is good at science, and Student C is good at literature. If Student A and Student B are both in the same group, which subject is not represented in their group?

C. LITERATURE