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.)√63.77 X √197 + ? = 14.92² - 29.01
    A 84 Correct Answer Incorrect Answer
    B 55 Correct Answer Incorrect Answer
    C 10 Correct Answer Incorrect Answer
    D 65 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    √63.77 X √197 + ? = 14.92²- 29.01

    √64 X √196 + ? ~ 15²- 29

    8 X 14 + ? ~ 225 - 29

    112 + ? ~ 196

    ? ~ 196 - 112

    ? ~ 84

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