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    Question

    The ratio of the two numbers is 3: 4 and their LCM is

    480. Find their HCF.
    A 30 Correct Answer Incorrect Answer
    B 40 Correct Answer Incorrect Answer
    C 160 Correct Answer Incorrect Answer
    D 120 Correct Answer Incorrect Answer

    Solution

    Ratio of two number =3:4 Let the HCF =x First number =3x and second number =4x LCM =480. So, First number × second number=LCM ×HCF 3x×4x =480× x x=480/12=40. x= 40

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