

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


A. 
15 
B. 
60 


C. 
3 
D. 
30 


Hint 


2. 
Find the least common multiple of 3, 4, and 5. 


A. 
120 
B. 
12 


C. 
30 
D. 
60 


Hint 


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


A. 
18 
B. 
12 


C. 
3 
D. 
6 


Hint 


4. 
Albania has volleyball practice every 3 days and piano lessons every 4 days. If she had both a volleyball practice and a piano lesson on Monday, in how many days will she have both on the same day again? 


A. 
3 
B. 
12 


C. 
8 
D. 
4 


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. 
5 


C. 
10 
D. 
20 


Hint 


