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    Question

    What approximate value should come in place of the question-mark(?) in the following question (You are not expected to calculate the exact value).

    98.999 x 99.001 +

    640.856=?
    A 8428 Correct Answer Incorrect Answer
    B 10464 Correct Answer Incorrect Answer
    C 10484 Correct Answer Incorrect Answer
    D 10442 Correct Answer Incorrect Answer

    Solution

    99 X 99 + 641 = 9801 + 641 = 10442

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