

1. 
Find the least common multiple of 6 and 15. 


A. 
30 
B. 
15 


C. 
3 
D. 
60 


Hint 


2. 
What is the least common multiple of 4, 5, and 16? 


A. 
80 
B. 
16 


C. 
64 
D. 
160 


Hint 


3. 
Find the least common multiple of 3 and 6. 


A. 
6 
B. 
18 


C. 
3 
D. 
12 


Hint 


4. 
Find the least common multiple of 12 and 8. 


A. 
12 
B. 
48 


C. 
24 
D. 
96 


Hint 


5. 
Marquez is on a certain baseball team that has a fourman pitching rotation, so each pitcher plays every four days. Walter is on another team, which has a fiveman rotation. If Marquez and Walter play in the same game today, how many days will it be before they play on the same day again? 


A. 
10 
B. 
4 


C. 
5 
D. 
20 


Hint 


