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.) 483.92 - 516.21 + 107.99 + ? ² = 429.94 X 2.01
    A 5 Correct Answer Incorrect Answer
    B 45 Correct Answer Incorrect Answer
    C 55 Correct Answer Incorrect Answer
    D 28 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    483.92 - 516.21 + 107.99 + ? ² = 429.94 X 2.01

    484 - 516 + 108 + ? ²~ 430 X 2

    76 + ? ²~ 860

    ?² ~ 784

    ? ~ ± 28

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