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      Question

      What will come in the place of question mark (?) in the

      given expression? {640 ÷ (4 × 5)} + [3/8 of 256] − 19 = ?
      A 120 Correct Answer Incorrect Answer
      B 137 Correct Answer Incorrect Answer
      C 109 Correct Answer Incorrect Answer
      D 144 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      4 × 5 = 20 640 ÷ 20 = 32 3/8 of 256 = (3/8) × 256 = 3 × 32 = 96 Now: 32 + 96 − 19 = 128 − 19 = 109

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