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    Question

    24.99 × 32.05 + ? - 27.01 × 19.97 = 29.99 ×

    27.98 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.)
    A 250 Correct Answer Incorrect Answer
    B 350 Correct Answer Incorrect Answer
    C 420 Correct Answer Incorrect Answer
    D 580 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, 24.99 × 32.05 + ? - 27.01 × 19.97 = 29.99 × 27.98 25 × 32 + ? - 27 × 20 ~ 30 × 28 800 + ? - 540 ~ 840 ? + 260 ~ 840 ? ~ 580

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