The ratio of two numbers is 4:5 and their HCF is 12. What is their LCM?

Topic: Number System
Subtopic: HCF &amp; LCM

A120

B180

C240

D300

Explanation

Let the numbers be 4x and 5x where x is HCF = 12. The numbers are 48 and 60. LCM = 4 * 5 * 12 = 240.

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