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.) 

    647.1 ÷ ? + 72.3 × 209.81 – 8743.1 = 6404

    A 52 Correct Answer Incorrect Answer
    B 24 Correct Answer Incorrect Answer
    C 80 Correct Answer Incorrect Answer
    D 5 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, 647.1 ÷ ? + 72.3 × 209.81 – 8743.1 = 6404 647 ÷ ? + 72 × 210 – 8743 ~ 6404 647 ÷ ? + 15120 – 8743 ~ 6404 647 ÷ ? ~ 27 ? ~ 24

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