

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. 
30 
B. 
15 


C. 
720 
D. 
360 


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


A. 
10 
B. 
252 


C. 
120 
D. 
30,240 


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. 
10 
B. 
2 


C. 
5 
D. 
20 


Hint 


5. 
Which situation is a permutation? 


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


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


C. 
The number of ways you can choose 3 hot dog toppings from a total of 5. 


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


Hint 


