Rohit spends 40 % of his salary on food, 20% on house rent,10% on entertainment and 10% on conveyance. If his savings at the end of the month are Rs. 1500, Then his monthly salary is:
Choose the correct choice from the following answers
A) Rs.6000  B) Rs. 7500  C) Rs. 8000  D) Rs. 9,000  E) Rs. 10,000
Saving = [100 – (40 + 20 +10 + 10)] %   = 20 %   Let the monthly salary be Rs. X   Then,   20% of X = 1500 ¡ê 20X / 100 = 1500   X = 1500 x 5 = 7500   X = 7500   answer : Rs. 8000
<result>C</result>
Rohit spends 40 % of his salary on food, 20% on house rent,10% on entertainment and 10% on conveyance. If his savings at the end of the month are Rs. 1500, Then his monthly salary is: