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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
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