

1. 
An arrangement in which order is not important is a(n) ________. 


A. 
outcome 
B. 
permutation 


C. 
combination 
D. 
factorial 


Hint 


2. 
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. 
30 


C. 
360 
D. 
720 


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. 
3 
B. 
120 


C. 
604,800 
D. 
10 


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. 
10 


C. 
30,240 
D. 
252 


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. 
30 
B. 
90 


C. 
45 
D. 
120 


Hint 


