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      Question

      (98.999)2 - (9.9)2 -

      (14.9)2 = ? What approximate value should come in place of the question-mark(?) in the following question (You are not expected to calculate the exact value).
      A 9386 Correct Answer Incorrect Answer
      B 9476 Correct Answer Incorrect Answer
      C 9686 Correct Answer Incorrect Answer
      D 9586 Correct Answer Incorrect Answer
      E 9286 Correct Answer Incorrect Answer

      Solution

      (98.999)2 - (9.9)2 - (14.9)2 = ? ? = 992 - 102 - 152  ? = 9801 - 100 - 225 ? = 9476

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