New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    The sum of the HCF and LCM of two numbers is 340, and the

    LCM is 16 times the HCF. If one of the numbers is 40, find the other number.
    A 100 Correct Answer Incorrect Answer
    B 160 Correct Answer Incorrect Answer
    C 180 Correct Answer Incorrect Answer
    D 150 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let HCF = x

    Then LCM = 16x

    x + 16x = 340

    ⇒ 17x = 340

    ⇒ x = 20

    Now,

    40 × y = 20 × 16 × 20 = 6400

    ⇒ y = 6400 ÷ 40 = 160

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