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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.) (11.89)2 + (14.11)2 – (15.98)2 ÷ 7.92 = ?
      A 240 Correct Answer Incorrect Answer
      B 284 Correct Answer Incorrect Answer
      C 308 Correct Answer Incorrect Answer
      D 352 Correct Answer Incorrect Answer
      E 412 Correct Answer Incorrect Answer

      Solution

      (11.89)2 + (14.11)2 – (15.98)2 ÷ 7.92 = ? (12)2 + (14)2 – (16)2 ÷ 8 ~ ? 144 + 196 – 256 ÷ 8 ~ ? 340 – 32 ~ ? ? ~ 308

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