Five books are arranged on a shelf: Book A is to the left of Book B, Book C is to the right of Book A, and Book D is to the left of Book E. What is the possible order of the books?
A, B, C, D, and E are five friends who are standing in a line. A is standing to the left of B but to the right of C. D is standing at one of the ends. E is standing to the right of B. What is the order of the friends from left to right?
In a cooking competition, the following dishes are prepared: Soup, Salad, Main Course, and Dessert. The Soup is prepared before the Salad, and the Dessert is prepared after the Main Course. What is the correct sequence of preparation?
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 Eva is selected. 3) David can only be selected if Bob is not selected. Which of the following groups can be selected?
A selection of three fruits is to be made from the following: Apple, Banana, Cherry, Date, and Elderberry. The conditions are: 1) Apple and Banana cannot be selected together. 2) Cherry must be included if Date is included. 3) Elderberry can be included only if Banana is not included. Which of the following selections is valid?