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The HCF of two numbers is 20 and their LCM is 240 if one number is 60 then find the other numbers is?
1. 40
2. 60
3. 80
4. 100

1 Answer

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Best answer
Correct Answer - Option 3 : 80

Given:

The HCF and LCM = 20 and 240

And first numbers = 60

Formula used :

We know that formula, first number × second number = LCM × HCF

Calculation

We use the formula, first number × second number = LCM × HCF

Put the value,

Second number = 240 × 20 ÷ 60 = 80

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