1.

Two numbers are in ratio 5 ∶ 4 and their HCF is 6. Find their LCM?1. 902. 1203. 604. 100

Answer» Correct Answer - Option 2 : 120

Given:

The ratio of the numbers = 5 ∶ 4

HCF = 6

Concept used:

Two number which is in the form of mx and my, where m is HCF.

So, their LCM can be written as mxy

Calculation:

Let the number be 5x and 4x, where x is HCF.

HCF = 6

LCM = HCF × 5 × 4

⇒ LCM = 6 × 20

⇒ LCM = 120

∴ LCM is 120.



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