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    Question

    What approximate value will come in place of the

    question mark (?) in the following question? (Note: You are not expected to calculate the exact value.) ( 115.46 + 129.52 × 7.04 − 880.27 ) × 4.97 = ? + 640.35
    A 85 Correct Answer Incorrect Answer
    B 55 Correct Answer Incorrect Answer
    C 45 Correct Answer Incorrect Answer
    D 110 Correct Answer Incorrect Answer
    E 70 Correct Answer Incorrect Answer

    Solution

    (115.46 + 129.52 X 7.04 - 880.27) X 4.97 = ? + 640.35

    (115 + 130 X 7 - 880) X 5 ~ ? + 640

    (115 + 910 - 880) X 5 ~ ? + 640

    145 X 5 ~ ? + 640

    725 ~ ? + 640

    ? ~ 725 - 640

    ? ~ 85

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