

1. 
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. 
360 
B. 
720 


C. 
15 
D. 
30 


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. 
715 
B. 
286 


C. 
1287 
D. 
78 


Hint 


3. 
A group of 10 students is to be divided into 2 groups of 5. How many ways is this possible? 


A. 
252 
B. 
10 


C. 
30,240 
D. 
120 


Hint 


4. 
Which situation is a combination? 


A. 
The number of ways 50 people can line up to enter a concert hall. 


B. 
The number of ways 3 books can be displayed in a store window. 


C. 
The number of ways a coach can choose 3 cocaptains for a soccer team. 


D. 
The number of ways a committee can choose a president, vicepresident, and treasurer. 


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. 
45 
B. 
30 


C. 
120 
D. 
90 


Hint 


