

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. 
360 


C. 
720 
D. 
15 


Hint 


2. 
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 


3. 
If you have 10 CDs, and you want to take three of them with you on a road trip, how many different possibilities are there for which three you bring? 


A. 
604,800 
B. 
3 


C. 
120 
D. 
10 


Hint 


4. 
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. 
15 
B. 
30 


C. 
24 
D. 
4 


Hint 


5. 
Which situation is a combination? 


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


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


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


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


Hint 


