Study the graph and answer the following questions. The graph shows the number of bicycles parked in the parking space of a hall at various points of time.
Charges for parking is Rs. 1 per hour. What will be the total collection from 9 AM to 7 PM
Simple interest on a certain sum of money for 3 years at 18% per annum is half the compound interest on Rs. 9000 for 2 years at 10% per annum. The sum placed on simple interest is:
In the figure, square represents Painters, triangle represents Women, circle represents Accountants and rectangle represents Americans. Which set of letters represents Americans who are not accountants?