

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


A. 
30 
B. 
60 


C. 
15 
D. 
3 


Hint 


2. 
Find the least common multiple of 3 and 6. 


A. 
12 
B. 
6 


C. 
18 
D. 
3 


Hint 


3. 
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. 
4 
B. 
3 


C. 
12 
D. 
8 


Hint 


4. 
Find the least common multiple of 18 and 24. 


A. 
36 
B. 
72 


C. 
432 
D. 
216 


Hint 


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


A. 
120 
B. 
86 


C. 
240 
D. 
140 


Hint 


