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      Question

      Rajesh spent 45% and 20% of his monthly salary on food

      and rent, respectively. Of the remaining amount, he gave 16% and 25% to his mother and brother, respectively. Find the amount spent by him on food, if the difference between the amount received by his brother and the amount spent on rent is Rs. 1125.
      A Rs. 4000 Correct Answer Incorrect Answer
      B Rs. 3500 Correct Answer Incorrect Answer
      C Rs. 4500 Correct Answer Incorrect Answer
      D Rs. 4570 Correct Answer Incorrect Answer
      E Rs. 4800 Correct Answer Incorrect Answer

      Solution

      Let the monthly salary of Rajesh be Rs. ‘x’ Amount spent on food = Rs. 0.45x Amount spent on rent = Rs. 0.20x Amount received by brother = (x - 0.45x - 0.20x) x 0.25 = 0.35x x 0.25 = 0.0875x So according to question: 0.20x - 0.0875x = 1125 0.1125x = 1125 x = 10000 So, the amount spent on food = 0.45 x 10000 = Rs. 4500

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