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    1. Home
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    3. Quantitative Aptitude
    4. HCF and LCM
    5. The HCF of two numbers is 21. Which of the following can never be their LCM?

    Question

    The HCF of two numbers is 21. Which of the following can

    never be their LCM?
    A 126 Correct Answer Incorrect Answer
    B 191 Correct Answer Incorrect Answer
    C 63 Correct Answer Incorrect Answer
    D 231 Correct Answer Incorrect Answer

    Solution

    HCF of two numbers is 21. This means 21 is a common factor to both numbers. LCM is common multiple for the two numbers.

    Practice Next
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