

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. 
720 
B. 
360 


C. 
15 
D. 
30 


Hint 


2. 
How many ways can 3 CDs be selected from a stack of 7 different CDs? 


A. 
245 
B. 
5040 


C. 
6 
D. 
35 


Hint 


3. 
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. 
5 
D. 
10 


Hint 


4. 
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 games it would take to start 5 different basketball players from a team of 10. 


C. 
The number of ways each person can shake hands with the other 11 people in the room. 


D. 
The number of ways 8 students can finish first, second, or third place at the Math Olympiad. 


Hint 


5. 
Which situation is a combination? 


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


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


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


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


Hint 


