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      Question

      What approximate value should come in place of question

      mark in the following question? 29.89% of 399.6 + 15.05% of 199.8 = ?
      A 180 Correct Answer Incorrect Answer
      B 120 Correct Answer Incorrect Answer
      C 150 Correct Answer Incorrect Answer
      D 190 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Approximate: 29.89% ≈ 30%, 399.6 ≈ 400 15.05% ≈ 15%, 199.8 ≈ 200 30% of 400 = (30 × 400) ÷ 100 = 120 15% of 200 = (15 × 200) ÷ 100 = 30 Required value ≈ 120 + 30 = 150

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