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      Question

      Monthly income of A is Rs. 5500 and he saves 34% of his

      monthly income. If monthly expenditure of A is decreased by 35% while his monthly savings is increased by 35% then find the increase or decrease in his monthly income.
      A 18.5% increase Correct Answer Incorrect Answer
      B 11.2% decrease Correct Answer Incorrect Answer
      C 16.5% increase Correct Answer Incorrect Answer
      D 12.6% decrease Correct Answer Incorrect Answer
      E 14% decrease Correct Answer Incorrect Answer

      Solution

      Monthly savings and expenditure of A initially is Rs. 1870 and Rs. 3630, respectively. Monthly expenditure of A now = 0.65 × 3630 = Rs. 2359.5 Monthly savings of A now = 1.35 × 1870 = Rs. 2524.5 Monthly income of A now = 2359.5 + 2524.5 = Rs. 4884 Desired percentage decrease = [(5500 – 4884)/5500] × 100 = 11.2%

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