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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.) (27.92²- ?) ÷ 1.93 = 560.93 - 329.01
      A 365 Correct Answer Incorrect Answer
      B 320 Correct Answer Incorrect Answer
      C 345 Correct Answer Incorrect Answer
      D 385 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      (27.92²- ?) ÷ 1.93 = 560.93 - 329.01

      (28²- ?) ÷ 2 ~ 561 - 329

      (784 - ?) Ă· 2 ~ 232

      784 - ? ~ 464

      ? ~ 784 - 464

      ? ~ 320

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