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

    Question

    The product of two positive numbers is 192. If one of

    the numbers is twice the other, then find the difference between the given two numbers.
    A 3.1 Correct Answer Incorrect Answer
    B 5.1 Correct Answer Incorrect Answer
    C 6.1 Correct Answer Incorrect Answer
    D 9.8 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let us assume one of the numbers is 'x'

    Then, another number is = 2 × x = '2x'

    So, x × 2x = 192

    Or, 2x² = 192

    Or, x² = 96

    Or, x = 9.8 {Since the numbers are positive}

    Required difference = {2 × (9.8) - 9.8} = (19.6 - 9.8) = 9.8

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