Rohan 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 a month are Rs. 1000. then his monthly salary is	Choose one: A) Rs. 5000 B) Rs. 6000 C) Rs. 4000 D) Rs. 3000 E) Rs. 2000
Sol.   Saving = [100 - (40 + 20 + 10 + 10]% = 20%.   Let the monthly salary be Rs. x.   Then, 20% of x = 1000   â‡” 20 / 100x = 1000   â‡” x = 1000 Ã— 5 = 5000.   Rs. 5000nswer Rs. 5000
<result>A</result>
Rohan 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 a month are Rs. 1000. then his monthly salary is