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Chapter 2 Worksheet 6 | Factors and Multiples | Class-6 DAV Secondary Mathematics
Unit 2 Worksheet 6 || Factors and Multiples
1. Find LCM of the following numbers by listing their multiples. (a) 12, 9 (b) 4, 5, 2 (c) 25, 15
2. Find the LCM by prime factorisation method. (a) 10, 15, 6 (b) 16, 12, 18 (c) 25, 30, 40
3. Find the LCM by common division method.
(a) 12, 15, 45 (b) 24, 90, 48
(c) 30, 24, 36, 16 (d) 16, 48, 64
(e) 35, 49, 91 (f) 20, 25, 30
(g) 12, 16, 24, 36 (h) 40, 48, 45
4. Find the least number which when divided by 40, 50 and 60 leaves remainder 5 In each case.
5. Three Haryana Roadways buses stop after 50, 100 and 125 km respectively. If they leave together, then after how many kilometres will they stop together?
6. Four bells toll at intervals of 8, 9, 12 and 15 minutes respectively. It they toll together at 3 p.m., when will they toll together next?
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