Percent of Problems

Rosie took a science test and scored 41 marks out of 45.

Express 41 out of 45 as a percentage.

• 91.1%

• 90%

• 82.2%

• 110%

A school has 80 staff.

15% of the staff wear glasses.

Calculate the number of staff that wear glasses.

• 15

• 12

• 95

• 8

A bank pays 2.5% interest on its current account.

Write 2.5% as a decimal.

• 0.25

• 2.5

• 0.025

• .0025

56% of students in a school are girls. There are 420 girls in the school.

Work out the total number of students in the school.

• 476

• 750

• 235

• 840

14 is what percent of 50?

• 7%

• 28%

• 2%

• 70%

In a sale, normal prices were reduced by 20%. The normal price of a camera was £180. Work out the sale price of the camera.

• $144

• $206

• $36

• $135

Justin bought some clothes.

The clothes should have cost £84.00 but he got a discount of 15%.

Work out how much money Justin saved.

• $79

• $16.80

• $71.40

• $12.60

Between 2001 and 2011, the population of a town increased

by 8%. In 2001 the population was 34,350.

Calculate the population in 2011.

• 37,098

• 34,350

• 37,089

• 2748

What is 1/8 as a percent?

• 8%

• 12.5%

• 25%

• None of the above.

In a sale, normal prices were reduced by 25%. The sale price of a computer was $342.

Work out the normal price of the computer.

• $114

• $228

• $456

• $427.5

• NONE OF THE ABOVE.