A person spends 40% of his salary on food, 25% on house rent, 15% on entertainment and 10% on conveyance. If his savings at the end of the month is Rs. 1200, then his salary per month in rupees is:
Choose the correct choice from the following options: A) 12000 B) 6000 C) 8000 D) 10000 E) None of these
Total expenditure = 40 + 25 + 15 + 10= 
<gadget id="calculator">40 + 25 + 15 + 10</gadget>
<output>90</output>
90%   Saving= (100 - 90)= 
<gadget id="calculator">(100 - 90)</gadget>
<output>10</output>
10%   10/100 × Salary= 1200, Salary = 12000 Rs.   12000nswer:12000
<result>A</result>
A person spends 40% of his salary on food, 25% on house rent, 15% on entertainment and 10% on conveyance. If his savings at the end of the month is Rs. 1200, then his salary per month in rupees is: