In a group of five friends: Alice, Bob, Charlie, David, and Eva, the following conditions apply: Alice is not friends with Bob. Charlie is friends with both Alice and David. Eva is friends with Bob but not with David. Who can be selected as friends of Charlie?
In a group of five friends: Alice, Bob, Charlie, David, and Eva, the following conditions are given: 1) Alice cannot sit next to Bob. 2) Charlie must sit next to David. 3) Eva can sit anywhere. Which of the following arrangements satisfies all conditions?
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?
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?