1.   An arrangement in which order is not important is a(n) ________.
    A. outcome B. combination
    C. factorial D. permutation

  2.   While at a local video rental store, 5 movies catch your eye, but you only want to rent 2. How many combinations are there?
    A. 2 B. 10
    C. 20 D. 5

  3.   Which situation is a permutation?
    A. The number of ways you can choose 3 hot dog toppings from a total of 5.
    B. The number of ways each person can shake hands with the other 11 people in the room.
    C. The number of ways 8 students can finish first, second, or third place at the Math Olympiad.
    D. The number of games it would take to start 5 different basketball players from a team of 10.

  4.   Which situation is a combination?
    A. The number of ways a committee can choose a president, vice-president, and treasurer.
    B. The number of ways 3 books can be displayed in a store window.
    C. The number of ways a coach can choose 3 co-captains for a soccer team.
    D. The number of ways 50 people can line up to enter a concert hall.

  5.   Ten students are playing in a chess tournament. If each student plays every other student once, how many total games are played?
    A. 120 B. 30
    C. 90 D. 45

The McGraw-Hill Companies