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      Question

      A spent 30% and 22% of his monthly salary on food and

      rent, respectively. Of the remaining amount, he gave 20% and 40% 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. 1400.
      A Rs. 12000 Correct Answer Incorrect Answer
      B Rs. 13000 Correct Answer Incorrect Answer
      C Rs. 15000 Correct Answer Incorrect Answer
      D Rs. 15500 Correct Answer Incorrect Answer
      E Rs. 15800 Correct Answer Incorrect Answer

      Solution

      Let the monthly salary of A be Rs. ‘x’ Amount spent on food = Rs. 0.30x Amount spent on rent = Rs. 0.22x Amount received by brother = (x – 0.30x – 0.22x) × 0.40 = 0.192x So according to question: => 0.22x – 0.192x = 1400 => 0.028x = 1400 => x = 50000 So, the amount spent on food = 0.30 × 50000 = Rs. 15000

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