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    Question

    Determine the HCF of 150 and

    1350.
    A 134 Correct Answer Incorrect Answer
    B 120 Correct Answer Incorrect Answer
    C 142 Correct Answer Incorrect Answer
    D 150 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Prime factors of 150 = 2 × 3 × 5 × 5

    Prime factors of 1350 = 2 × 3 × 3 × 3 × 5 × 5

    HCF = 2 × 3 × 5 × 5 = 150

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