

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. 
15 
B. 
360 


C. 
30 
D. 
720 


Hint 


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


A. 
245 
B. 
35 


C. 
6 
D. 
5040 


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. 
combination; 151,200 
B. 
permutation; 151,200 


C. 
combination; 210 
D. 
permutation; 210 


Hint 


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


A. 
120 
B. 
30,240 


C. 
252 
D. 
10 


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. 
30 
B. 
15 


C. 
24 
D. 
4 


Hint 


