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  1. The LCM of two numbers is 520 and their HCF is 4. If one of the number is 52, then the other number is
    1. 40
    2. 42
    3. 50
    4. 52
Correct Option: A

Given that , LCM = 520 , HCF = 4 , First number = 52, Second number = ?
We can find other number with the help of the given formula ,
First number × second number = HCF × LCM
⇒ 52 × second number = 4 × 520

⇒ Second number =
4 × 520
= 40
52



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