Question

    The product of two consecutive even integers is 960. Find

    the product of digits of the bigger number.
    A 11 Correct Answer Incorrect Answer
    B 6 Correct Answer Incorrect Answer
    C 2 Correct Answer Incorrect Answer
    D 5 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the required numbers be (n - 1) and (n + 1).

    So, (n - 1) × (n + 1) = 960

    Or, n² - 1 = 960

    Or, n² = 961

    Or, n = 31

    Larger number = 31 + 1 = 32

    Required product = 3 × 2 = 6

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