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      Question

      A person saves 25% of his monthly income. If his monthly

      is increased by 35% and he still saves the same amount as before then find percentage increase (approximate) in his monthly expenditure.
      A 64.3% Correct Answer Incorrect Answer
      B 53.3% Correct Answer Incorrect Answer
      C 46.6% Correct Answer Incorrect Answer
      D 70.3% Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let monthly of person is Rs. 100x Monthly savings = 0.25 × 100x = Rs. 25x Monthly expenditure = 100x - 25x = Rs. 75x His increased monthly income = 1.35 × 100x = Rs. 135x His monthly expenditure now = 135x - 25x = 110x Percentage increase in expenditure = [(110x - 75x)/75x] × 100 ~ 46.6%

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