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The LCM of two numbers is 48 and the product of those numbers is 384. What is the ratio of their HCF to their LCM?

1. 1 : 4
2. 1 : 6
3. 1 : 3
4. 2 : 5

Correct answer: 1 : 6

Solution

Using HCF x LCM = Product of two numbers: HCF = 384 / 48 = 8. Ratio of HCF to LCM = 8 : 48 = 1 : 6.

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