

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


A. 
outcome 
B. 
permutation 


C. 
combination 
D. 
factorial 


Hint 


2. 
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. 
286 
B. 
78 


C. 
1287 
D. 
715 


Hint 


3. 
An art gallery has 10 paintings to display. Six of the paintings are to be used for a new exhibit. Is this situation a permutation or combination? How many choices of paintings are possible? 


A. 
permutation; 151,200 
B. 
permutation; 210 


C. 
combination; 151,200 
D. 
combination; 210 


Hint 


4. 
A group of 10 students is to be divided into 2 groups of 5. How many ways is this possible? 


A. 
30,240 
B. 
10 


C. 
252 
D. 
120 


Hint 


5. 
You have tests coming up soon in all your classes. You have six schoolbooks that you could take home, but only room for four in your backpack. How many different combinations of schoolbooks can you take home in your backpack? 


A. 
4 
B. 
30 


C. 
15 
D. 
24 


Hint 


