Questions for Percentage

The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error?

• 21%

• 17.37%

• 17.4%

• 21.02%

As the result of experimental work, a student finds the density of a liquid to be 30 g/cm3. The known density of that liquid is 25 g/cm3. What is the percent error of this student’s work?

• 200

• 20

• 2

• 0.02

An object is measured to be 3.12 g.  The accepted value is 4.50 g.  What is the percentage error for this measurement?

• 43.1%

• 30.7%

• 30.666%

• 25.1%

The students measured length during a science experiment, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

• 15.79%

• 18.75%

• 2.25%

• 18%

The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

• 15.79%

• 18.75%

• 2.25%

• 18%

What percent of 25 is 60?

• 24%

• 2.4

• 240%

• 100%

The movie theater has 250 seats. 225 seats were sold for the current showing. What percent of seats are empty?

• 10%

• 20%

• 80%

• 90%

What is 1/10

as a percentage?

• 1%

• 5%

• 10%

• 20%

25% of $200 is _________.

• $25

• $50

• $100

• $150

Jessica had $30. She spent 20% of her money. How much money did she have left?

• $6

• $10

• $24

• $27