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    1. Home
    2. Questions
    3. Quantitative Aptitude
    4. HCF and LCM
    5. Find the HCF of 84 and 630.

    Question

    Find the HCF of 84 and

    630.
    A 34 Correct Answer Incorrect Answer
    B 58 Correct Answer Incorrect Answer
    C 42 Correct Answer Incorrect Answer
    D None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Prime factors of 84 = 2 × 2 × 3 × 7

    Prime factors of 630 = 2 × 3 × 3 × 5 × 7

    HCF = 2 × 3 × 7 = 42

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    Relevant for Exams:

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