Percentage & Percentage Change Quiz

36% of the students in a school are boys. There are 252 boys. How many students are there in the school?

• 600

• 650

• 700

• 800

40% of the books in a library are English books. There are 360 English books. How many books are there in the library?

• 720

• 800

• 900

• 1,000

A shirt cost $120. During a sale, its price was reduced by $30. What was the percentage discount?

• 20%

• 22%

• 24%

• 25%

A bicycle cost $500. Its price increased to $550. By what percentage did the price increase?

• 8%

• 9%

• 10%

• 12%

A school library had 240 storybooks. The librarian bought 36 more books. What was the percentage increase?

• 12%

• 13%

• 14%

• 15%

Niko scored 60 marks in her mid-year exam. Her score increased by 20%. How many marks did she score in the end-of-year exam?

• 70

• 72

• 75

• 80

Jason saved $800 in April. In May, his savings increased by $120. What was the percentage increase?

• 12%

• 13%

• 14%

• 15%

A container held 80 liters of water. After some was poured out, the volume decreased by 20%. What is the volume of water remaining in the container?

• 60 liters

• 64 liters

• 68 liters

• 72 liters

A factory produced 2,000 toys in January. In February, it produced 1,800 toys. What was the percentage decrease?

• 8%

• 9%

• 10%

• 12%

A car travelled 200 km on Monday. On Tuesday, it travelled 250 km. By what percentage did the distance increase?

• 20%

• 22%

• 24%

• 25%