Question

    The nine digit number 9x48879y4 is divisible by 88. Find

    the value of √xy, given that x < 8 and y < 8.
    A 5 Correct Answer Incorrect Answer
    B 4 Correct Answer Incorrect Answer
    C 7 Correct Answer Incorrect Answer
    D 8 Correct Answer Incorrect Answer

    Solution

    For 9x48879y4 to be divisible by 88, it should be divisible by 8 as well as 11.
    So, y = 4
    And x = 4
    So, √xy = 4

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