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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.)

    (47.99/39.02) ÷ (11.99/12.99) X (143.99/47.87) ÷

    (13.99/55.99) = ?²
    A 12 Correct Answer Incorrect Answer
    B 4 Correct Answer Incorrect Answer
    C 17 Correct Answer Incorrect Answer
    D 27 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,
    (47.99/39.02) ÷ (11.99/12.99) X (143.99/47.87) ÷ (13.99/55.99) = ?²

    (48/39) ÷ (12/13) X (144/48) ÷ (14/56) = ?²

    (48/39) X (13/12) X (144/48) X (56/14) = ?²

    ?² = 16

    ? = ±4

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