

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


A. 
15 
B. 
60 


C. 
3 
D. 
30 


Hint 


2. 
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. 
8 


C. 
12 
D. 
4 


Hint 


3. 
Find the least common multiple of 12 and 8. 


A. 
96 
B. 
24 


C. 
48 
D. 
12 


Hint 


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


A. 
36 
B. 
216 


C. 
432 
D. 
72 


Hint 


5. 
Rachel and Diego both jog regularly. Rachel jogs every other day, and Diego jogs every third day. They both jogged today. How many days will it be before they both jog on the same day again? 


A. 
12 
B. 
6 


C. 
3 
D. 
2 


Hint 


