

1. 
An arrangement in which order is not important is a(n) ________. 


A. 
permutation 
B. 
combination 


C. 
factorial 
D. 
outcome 


Hint 


2. 
From a group of six students, four are to be chosen to form a committee. In how many ways can the committee be chosen? 


A. 
15 
B. 
360 


C. 
720 
D. 
30 


Hint 


3. 
AllStar Pizza offers a large pizza with any three toppings for $9.95. If you can choose from 13 different toppings, how many different pizzas are possible? 


A. 
1287 
B. 
715 


C. 
78 
D. 
286 


Hint 


4. 
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. 
20 


C. 
10 
D. 
5 


Hint 


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. 
45 


C. 
30 
D. 
90 


Hint 


