A person spends 40% of his salary on food, 25% on house rent, 15% on entertainment and 15% on conveyance. If his savings at the end of the month is Rs. 1200, then his salary per month in rupees is: Pick one:  A) 4000  B) 24000  C) 8000  D) 10000  E) None of these
Total expenditure = 40 + 25 + 15 + 15= 
<gadget id="calculator">40 + 25 + 15 + 15</gadget>
<output>95</output>
95%   Saving= (100 - 95)= 
<gadget id="calculator">(100 - 95)</gadget>
<output>5</output>
5%   5/100 × Salary= 1200, Salary = 24000 Rs.   Answer:24000
<result>B</result>
A person spends 40% of his salary on food, 25% on house rent, 15% on entertainment and 15% on conveyance. If his savings at the end of the month is Rs. 1200, then his salary per month in rupees is: