

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. 
720 


C. 
30 
D. 
360 


Hint 


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


A. 
35 
B. 
245 


C. 
5040 
D. 
6 


Hint 


3. 
AllStar Pizza offers a large pizza with any three toppings for $9.95. If you can choose from 13 different toppings, how many different pizzas are possible? 


A. 
78 
B. 
1287 


C. 
286 
D. 
715 


Hint 


4. 
Which situation is a permutation? 


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


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 each person can shake hands with the other 11 people in the room. 


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. 
45 
B. 
90 


C. 
120 
D. 
30 


Hint 


