

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


A. 
30 
B. 
60 


C. 
3 
D. 
15 


Hint 


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


A. 
16 
B. 
160 


C. 
64 
D. 
80 


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. 
12 
B. 
8 


C. 
3 
D. 
4 


Hint 


5. 
Find the least common multiple of 6, 8, and 10. 


A. 
86 
B. 
120 


C. 
140 
D. 
240 


Hint 


