A person spends 40% of his salary on food, 25% on house rent, 15% on entertainment and 5% on conveyance. If his savings at the end of the month is Rs. 3000, then his salary per month in rupees is:
Options.
A) 20000  B) 6000  C) 8000  D) 10000  E) None of these
Total expenditure = 40 + 25 + 15 + 5= 
<gadget id="calculator">40 + 25 + 15 + 5</gadget>
<output>85</output>
85%   Saving= (100 - 85)= 
<gadget id="calculator">(100 - 85)</gadget>
<output>15</output>
15%   15/100 × Salary= 3000, Salary = 20000 Rs.   20000nswer:20000
<result>A</result>
A person spends 40% of his salary on food, 25% on house rent, 15% on entertainment and 5% on conveyance. If his savings at the end of the month is Rs. 3000, then his salary per month in rupees is: