A man saves 10% of his monthly salary. If an account of dearness of things he is to increase his monthly expenses by 5%, he is only able to save Rs. 400 per month. What is his monthly salary?
Choose one:  A) Rs.6500  B) Rs.7500  C) Rs.7200  D) Rs.7273  E) Rs.6300
Income = Rs. 100   Expenditure = Rs. 90   Savings = Rs. 10   Present Expenditure 90+90*(5/100) = Rs.94.5   Present Savings = 100 – 94.5 =Rs. 5.50   If savings is Rs. 5.50, salary = Rs. 100   If savings is Rs.400, salary = 100/5.5*400 = 7273   Answer : Rs.7273
<result>D</result>
A man saves 10% of his monthly salary. If an account of dearness of things he is to increase his monthly expenses by 5%, he is only able to save Rs. 400 per month. What is his monthly salary?