Quiz about Ratios Rates Proportions Percents

Question 1

What percent of 50 is 20?

Accepted Answer

40%

Answer

25%

Answer

2.5%

Answer

4%

Question 2

What percent of 32 is 10?

Accepted Answer

31.25%

Answer

0.32%

Answer

32%

Answer

0.3125%

Question 3

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears. What is the ratio of pears to ALL fruit?

Accepted Answer

5:11

Answer

5:4

Answer

2:5

Answer

6:5

Question 4

What is 19% of 50?

Accepted Answer

9.5

Answer

10

Answer

15

Answer

11

Question 5

A comparison of two quatities. Ex: 1 teacher for 12 students.

Accepted Answer

Ratio

Answer

Rational

Answer

Rate

Answer

Proprotion

Question 6

54 pounds of gummy bears cost $450. How many pounds of bears can you get for $50?

What is the proportion that can be used to represent the problem?

Accepted Answer

$$\frac{54}{450}=\frac{p}{50}$$

Answer

$$\frac{450}{54}=\frac{p}{50}$$

Answer

$$\frac{83}{250}=\frac{p}{50}$$

Question 7

If 50 is 25% of a number, what is the number?

Accepted Answer

200

Answer

100

Answer

150

Answer

250

Question 8

Joy reads 35 pages of a novel in 2 hours. At that rate, how many pages will he read in 6 hours?

Accepted Answer

105

Answer

70

Answer

210

Answer

420

Question 9

If 8 is 40% of a number, what is the number?

Accepted Answer

20

Answer

10

Answer

15

Answer

25

Question 10

A quarterback completed 68% of his passes in a game. He threw 25 passes. How many passes did the quarterback complete?

Accepted Answer

17

Answer

18

Answer

15

Answer

20

Question 11

How many buses would you need to carry 570 people?

Accepted Answer

9 buses

Answer

570 buses

Answer

about 63 buses

Answer

about 6 buses

Question 12

Last month, 15% of 140 phone calls that Nick received were from his mother. How many times did his mother call him?

Accepted Answer

21

Answer

33

Answer

933

Answer

2100

Question 13

What is the most important thing you need to know about ratio and rate?

Accepted Answer

The order of the numbers matters.

Answer

The bigger number always go first

Answer

You can't compare two different units.

Answer

Unit rates are always ratios with the number "2" as the second number.

Question 14

Xiomara printed 80 pages in 5 minutes. How many can she print in 9 minutes?

Accepted Answer

144 pages

Answer

16 pages

Answer

8 8/9 pages

Answer

400 pages

Question 15

A 6-foot tall person casts a 4-foot shadow. At the same time, a nearby tree casts a 12-foot shadow. How tall is the tree?

Accepted Answer

18 feet

Answer

9 feet

Answer

8 feet

Answer

12 feet

Question 16

75% of what number is 48?

Accepted Answer

64

Answer

48

Answer

100

Answer

75

Question 17

Jenny drives 265 miles in 5 hours. What is her average rate of speed in miles per hour?

Accepted Answer

53 mph

Answer

58 mph

Answer

62 mph

Answer

66 mph

Question 18

A 16 ounce bottle of fruit punch costs $2.40. A 24 ounce bottle of fruit punch costs $3.84. Which size costs less per ounce?

Accepted Answer

16 ounce bottle

Answer

24 ounce bottle

Question 19

In the Central City Grand Prix, out of 30 cars that started the race, 12 of them finished. What percent of the cars did not finish the race?

Accepted Answer

60%

Answer

20%

Answer

40%

Answer

80%

Question 20

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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