HCF & LCM · Question 28 · Hard
How many numbers from 1000 to 3000 (both inclusive) are exactly divisible by each of 15, 20 and 25?
- 7
- 6
- 8
- 10
Answer and explanation
Answer: A. 7
Explanation: The numbers must be multiples of LCM(15, 20, 25) = 300. From 1000 to 3000 these are 1200, 1500, 1800, 2100, 2400, 2700 and 3000, which makes 7.
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