Multiple & Factors Worksheet-5
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What is the least common multiple of 4, 5, and 16?
A. 30 B. 45 C. 56 D. 80
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Which list shows the factors of 32?
A. 1, 2, 4, 8 B. 1, 3, 6, 8 C. 1, 5, 7, 9 D. 1, 2, 4, 6
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Find the least common multiple of 3, 9, 21?
A. 45 B. 63 C. 42 D. 56
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What is the least common multiple of 9 and 12?
A. 18 B. 36 C. 45 D. 63
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Abhishek has Chess class every 3 days and guitar lesson every 5 days. If he had both a Chess class and a guitar lesson on Monday, in how many days will he have both on the same day again?
A. 12 B. 10 C. 15 D. 16
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Which option shows the least common multiple of 8 and 15?
A. 60 B. 120 C. 48 D. 75
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Which is a factor of 20?
A. 6 B. 3 C. 7 D. 5
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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
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Which is a prime number?
A. 15 B. 14 C. 17 D. 12
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Which of these shows LCM of 6, 18 and 27?
A. 81 B. 90 C. 96 D. 54
Answer Key:
(1)-D; (2)-A; (3)-B; (4)-B; (5)-C; (6)-B; (7)-D; (8)-C; (9)-C; (10)-D