Study the following bar chart, which represents the income and expenditure of a company.
What is the difference of profit between the years 2001 and 2002?
A policeman starts chasing a thief who is 500 m ahead of him. The speed of the thief is 18 km/h, and the speed of the
policeman is 36 km/h. Find the time taken by the policeman to catch the thief.
By selling an article at 66% of its marked price, a merchant makes a profit of 10%. If he sells the article at 80% of its marked price, then the profit percentage will be:
The salaries of T in twelve months of a year are: โน12,000, โน12,000, โน12,000, โน15,000, โน15,000, โน15,000, โน21,000, โน21,000, โน21,000, โน30,000, โน30,000, โน30,000. The average salary of T per month in โน is _______.
A person wants to buy 10 chairs. The total cost of 10 chairs is โน4,500. After bargaining, the shopkeeper agrees to decrease the cost of each chair by 20%. Then, the person purchased 10% more chairs. What will be the cost of the chairs that he purchased?