New RBI Grade B 2025 Notification will come Soon! Enroll Here

    Question

    The LCM of two numbers is 40 times its HCF. If the

    product of the numbers is 1440, find their HCF.
    A 6 Correct Answer Incorrect Answer
    B 12 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D 8 Correct Answer Incorrect Answer

    Solution

    LCM = 40 x HCF formula used LCM x HCF = Product of no.'s let HCF be a LCM = 40a Now, 40a x a = 1440 40a2= 1440 a2= 36 a = 6

    Practice Next

    Relevant for Exams: