Quiz about Percentages

Question 1

What percentage of the shape is shaded blue?

Accepted Answer

65%

Answer

100%

Answer

75%

Answer

50%

Question 2

Convert 73% to a decimal

Accepted Answer

0.73

Answer

73.0

Answer

0.37

Answer

0.7

Question 3

Convert ³/₄to percent

Accepted Answer

75%

Answer

25%

Answer

50%

Answer

100%

Question 4

What is 10% of 730?

Accepted Answer

73

Answer

7300

Answer

350

Answer

735

Question 5

What is 25% of 500

Accepted Answer

125

Answer

100

Answer

225

Answer

250

Question 6

At a birthday party 40% of the children had an ice-cream. 150 children attended the party. How many had an ice-cream?

Accepted Answer

60

Answer

70

Answer

80

Answer

90

Question 7

What is the decimal of 3/10?

Accepted Answer

0.30

Answer

3.10

Answer

310

Answer

-6.5

Question 8

Which is larger, 2/5 or 52%?

Accepted Answer

52%

Answer

2/5

Answer

They are equal

Answer

Neither

Question 9

How do you change .45 to a percent?

Accepted Answer

Move the decimal point 2 places to the right

Answer

Move the decimal point 3 places to the right

Answer

Move the decimal point 2 places to the left

Answer

Move the decimal point 3 places to the left

Question 10

What is 18/100 in decimal form?

Accepted Answer

0.18

Answer

1,800

Answer

0.018

Answer

1.80

Question 11

What decimal shows 8 thousandths?

Accepted Answer

.008

Answer

8,000

Answer

1/800

Answer

8/1000

Question 12

What is 3.75 as a fraction in simplest form?

Accepted Answer

15/4

Answer

375/100

Answer

375/1000

Answer

3/20

Answer

3 3/4

Question 13

44% can be written as the following decimal and fraction

Accepted Answer

0.44 and 44/100

Answer

0.44 and 44/10

Answer

0.4 and 44/100

Answer

0.4 and 44/10

Question 14

If you receive a 45/50 on a test , what is your percentage?

Accepted Answer

90%

Answer

45%

Answer

80%

Answer

70%

Question 15

50% of what number = 49

Accepted Answer

98

Answer

.98

Answer

.01

Answer

1.02

Question 16

12 is 80% of what number?

Accepted Answer

15

Answer

.15

Answer

6.67

Answer

.07

Question 17

25% of what number is 20?

Accepted Answer

80

Answer

45

Answer

50

Answer

100

Question 18

A chemist measured the amount of caffeine in a new energy drink called FlipOUT to be 84.20 mg. The correct amount of caffeine is 87.10 mg. Calculate the percent error.

Accepted Answer

3.3%

Answer

9.6%

Answer

3.4%

Answer

0.033%

Question 19

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?

Accepted Answer

15.79%

Answer

18.75%

Answer

2.25%

Answer

18%

Question 20

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

Accepted Answer

17.4%

Answer

21%

Answer

17.37%

Answer

21.02%

Question 21

My dog's weight is now 125% of what she weighted one year ago. If her weight then was 30kg, what is her weight now?

Accepted Answer

37.5

Answer

31.25

Answer

30.125

Answer

37.125

Question 22

Chairs are marked at $19.99 each, but if you buy more than 10 you will receive a discount of 15%. What is the price of 12 chairs

Accepted Answer

203.90

Answer

239.88

Answer

239.73

Answer

203.89

Question 23

The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase? Round to the nearest percent.

Accepted Answer

41%

Answer

52%

Answer

42%

Answer

45%

Question 24

Find the tip amount on a $20 lunch if you leave a 20% tip.

Accepted Answer

$ 4

Answer

$ .40

Answer

$ 2.00

Answer

$ 24

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