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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.)√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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