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      Question

      Monthly savings of โ€˜Aโ€™ is Rs. 500 more than his

      monthly expenditure and his total monthly income is Rs. 5900. If his monthly income is increased by 40% and his monthly savings is increased by 37.5%, then find the increase in his monthly expenditure
      A Rs. 1100 Correct Answer Incorrect Answer
      B Rs. 1260 Correct Answer Incorrect Answer
      C Rs. 1160 Correct Answer Incorrect Answer
      D Rs. 1130 Correct Answer Incorrect Answer

      Solution

      Monthly savings of โ€˜Aโ€™ = (5900 + 500)/2 = Rs. 3200 Monthly expenditure of โ€˜Aโ€™ = 5900 โ€“ 3200 = Rs. 2700 Increased monthly expenditure of โ€˜Aโ€™ = 1.40 ร— 5900 โ€“ 1.375 ร— 3200 = Rs. 3860 Desired increase = 3860 โ€“ 2700 = Rs. 1160

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