The LCM of two numbers is 520 and their HCF is 4. If one of the number is 52, then the other number is :

The LCM of two numbers is 520 and their HCF is 4. If one of the number is 52, then the other number is :
[A]40
[B]42
[C]50
[D]52

40
∵ First Number \times Second Number = HCF \times LCM
=> 52 \times Second Number = 4 \times 520
=> Second\ Number\ = \frac{4\times 520}{52} = 40
Hence option [A] is correct answer.

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