In a class of students: X, Y, Z, W, and V, X is smarter than Y but not as smart as Z. W is smarter than V but not as smart as X. Who is the least smart?
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 but taller than A. Who is the tallest among them?
A committee 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 on the committee together. 2) R must be included if S is included. 3) T can be included only if P is included. Which of the following combinations is valid?
In a group of five friends: Alice, Bob, Charlie, David, and Eva, the following conditions are given: 1) Alice is not friends with Bob. 2) Charlie is friends with both David and Eva. 3) Bob is friends with Eva but not with David. Who can be selected as friends of Charlie?
A selection of fruits consists of apples, bananas, cherries, and dates. The selection criteria are: 1) Apples cannot be selected if bananas are selected. 2) Cherries must be included if dates are included. Which of the following selections is valid?