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  1. The HCF of two numbers is 15 and their LCM is 300. If one of the number is 60, the other is :
    1. 50
    2. 75
    3. 65
    4. 100
Correct Option: B

Given that , LCM = 300 , HCF = 15 , First number = 60 , Second number = ?
With the help of the given formula ,
First number × Second number = HCF × LCM

∴ Second number =
15 × 300
= 75
60



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