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    Question

    What is the difference between the LCM and HCF of 21,

    49?
    A 140 Correct Answer Incorrect Answer
    B 24 Correct Answer Incorrect Answer
    C 50 Correct Answer Incorrect Answer
    D 132 Correct Answer Incorrect Answer

    Solution

    LCM of 21 and 49 = 147 HCF of 21 and 49 = 7 Required difference = 147 – 7 = 140

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