Question

    If 4531 = 60, 3622 = 72 and 7542 = 280 then 9865

    =?
    A 2610 Correct Answer Incorrect Answer
    B 1620 Correct Answer Incorrect Answer
    C 2160 Correct Answer Incorrect Answer
    D 2016 Correct Answer Incorrect Answer

    Solution

    4`xx` 5 `xx` 3`xx` 1 = 60 3`xx` 6`xx` 2`xx` 2 = 72 7`xx` 5 `xx` 4 `xx` 2 = 280 9`xx` 8`xx` 6`xx` 5 = 2160

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