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    Question

    The LCM of two natural numbers is 25 times their HCF.

    If the product of given two numbers is 3600, then find the LCM of the numbers.┬а
    A 60 Correct Answer Incorrect Answer
    B 300 Correct Answer Incorrect Answer
    C 150 Correct Answer Incorrect Answer
    D 600 Correct Answer Incorrect Answer

    Solution

    Let the HCF of the number be 'H'.┬а So, LCM = 25H┬а Product of two numbers = Product of their HCF and LCM┬а So, 25H ├Ч H = 3600┬а Or, H┬▓ = 144┬а Or, H = 12 or H = тАУ12┬а Since, HCF cannot be negative. So, H = 12┬а Therefore, LCM = 25 ├Ч 12 = 300┬а

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