
Question 1 
Which option shows the least common multiple of 8 and 15? 
A. 
60 
B. 
120 
C. 
48 
D. 
75 
    

Question 2 
Which option shows the least common multiple (LCM) of 15 and 30? 
A. 
30 
B. 
60 
C. 
15 
D. 
90 
    

Question 3 
Which is a factor of 20? 
A. 
6 
B. 
3 
C. 
7 
D. 
5 
    

Question 4 
Which option shows the least common multiple (LCM) of 12 and 18? 
A. 
24 
B. 
54 
C. 
90 
D. 
36 
    

Question 5 
Which set of numbers will have 28 as its least common multiple (LCM)? 
A. 
2, 3 and 5 
B. 
4, 6 and 9 
C. 
1, 4 and 7 
D. 
1, 4 and 8 
    


Question 6 
Which list shows the factors of 24? 
A. 
1, 8, 12 
B. 
1, 7, 9 
C. 
1, 5, 12 
D. 
3, 5, 7 
    

Question 7 
Which is a prime number? 
A. 
15 
B. 
14 
C. 
17 
D. 
12 
    

Question 8 
The LCM of 12 and 9 is ______. 
A. 
21 
B. 
36 
C. 
35 
D. 
30 
    

Question 9 
Which of these shows LCM of 6, 18 and 27? 
A. 
81 
B. 
90 
C. 
96 
D. 
54 
    

Question 10 
Newport Mall has a painting exhibition on every 4th day. Bell View Mall has a painting exhibition on every 5th day. On what day will both the malls have a painting exhibition? 
A. 
on the 15th day 
B. 
on the 20th day 
C. 
on the 10th day 
D. 
on the 9th day 
    
