In a group of five friends: Alice, Bob, Charlie, David, and Eva, Alice is taller than Bob but shorter than Charlie. David is shorter than Eva but taller than Bob. Who is the tallest among them?

C. CHARLIE

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

C. ALICE, DAVID, EVA

A team consists of four members: X, Y, Z, and W. X is older than Y but younger than Z. W is the youngest. Who is the second oldest?

A. X

In a race, five participants: P, Q, R, S, and T have the following conditions: P finishes before Q but after R. S finishes before T. Who finishes last?

B. Q

There are four boxes labeled A, B, C, and D. The following conditions apply: Box A contains more apples than Box B. Box C contains fewer apples than Box D. If Box D contains 10 apples, which box contains the least apples?

C. C