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      Question

      What value should come in place of (?) question mark in

      the given expression. { (28)² − (16)² } ÷ 12 + 9 = ?
      A 53 Correct Answer Incorrect Answer
      B 44 Correct Answer Incorrect Answer
      C 84 Correct Answer Incorrect Answer
      D 70 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      (28)² − (16)² = (28 − 16)(28 + 16) = 12 × 44 = 528 528 ÷ 12 = 44 Expression = 44 + 9 = 53

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