Percentage - General Questions

The price of an item is first increased by 20% and then decreased by 10%. What is the net change in price?

A student must get 40% marks to pass. He gets 211 marks and fails by 29 marks. What are the maximum marks?

A student must get 35% marks to pass. He gets 222 marks and fails by 23 marks. What are the maximum marks?

The population of a town is 11,000. It increases by 20% every year. What will the population be after 2 years?

10 is what percent of 200?