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      Question

      (67.2)2 – (8.9)2 –

      (22.02)2 =? What approximate value will come in place of question mark (?) in the given equations?
      A 2924 Correct Answer Incorrect Answer
      B 3924 Correct Answer Incorrect Answer
      C 3294 Correct Answer Incorrect Answer
      D 4408 Correct Answer Incorrect Answer
      E 3824 Correct Answer Incorrect Answer

      Solution

      (67)2 – (9)2 – (22)2 =? 4489 – 81 – 484 =? ? = 3924

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