- Select the even number from the following options.

B. 4

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 must be selected if Eva is selected. 3) David can only be selected if Alice is not selected. Which of the following groups can be selected?

C. BOB, CHARLIE, EVA

From the following items: P, Q, R, S, and T, the selection rules are: 1) P cannot be selected if Q is selected. 2) R must be selected if S is selected. 3) T can be selected only if P is not selected. Which of the following selections is valid?

D. R, S, T

In a group of five friends: Alex, Brian, Charlie, David, and Edward, the following conditions apply: 1) Alex is taller than Brian but shorter than Charlie. 2) David is shorter than Edward. 3) Charlie is not the tallest. Who is the tallest among them?

C. EDWARD

In a group of five friends: Alice, Bob, Charlie, David, and Eva, the selection criteria are as follows: 1) Only those who have a pet can be selected. 2) Alice and Bob have pets. 3) Charlie does not have a pet. 4) David has a pet, but Eva does not. Who can be selected based on the given conditions?

C. ALICE, BOB, AND DAVID