

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


A. 
15 
B. 
3 


C. 
30 
D. 
60 


Hint 


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


A. 
80 
B. 
64 


C. 
160 
D. 
16 


Hint 


3. 
Find the least common multiple of 3, 4, and 5. 


A. 
12 
B. 
120 


C. 
30 
D. 
60 


Hint 


4. 
Find the least common multiple of 6, 8, and 10. 


A. 
86 
B. 
120 


C. 
240 
D. 
140 


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. 
4 
B. 
10 


C. 
20 
D. 
5 


Hint 


