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    Question

    Find the HCF of two numbers if LCM and product of those

    two numbers are 34 and 680 respectively.
    A 20 Correct Answer Incorrect Answer
    B 28 Correct Answer Incorrect Answer
    C 23 Correct Answer Incorrect Answer
    D 15 Correct Answer Incorrect Answer

    Solution

    LCM × HCF = 680 => 34 × HCF = 680 => HCF = 680/34 = 20

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