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If LCM of two numbers is 60 and HCF is 6 and one number is 12. What is the second number?
1. 15
2. 20
3. 30
4. 12

1 Answer

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Correct Answer - Option 3 : 30

Given:

LCM = 60

HCF = 6

one number = 12

Formula used:

LCM × HCF = Product of numbers

Calculation:

Let second number be x

⇒ LCM × HCF = Product of numbers

⇒ 60 × 6 = 12 × x

⇒ x = 30

∴ second number is 30.

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