Quiz about Ratio and Proportions

Question 1

What is the ratio of circles to squares?

Accepted Answer

2:1

Answer

3:1

Answer

1:2

Answer

5:3

Question 2

Solve the proportion.

Accepted Answer

3

Answer

18

Answer

2

Answer

9

Question 3

Solve the proportion.

Accepted Answer

12

Answer

60

Answer

15

Answer

3

Question 4

Solve the proportion.

Accepted Answer

21

Answer

84

Answer

11

Answer

5

Question 5

Solve the proportion.

Accepted Answer

11

Answer

20

Answer

7

Answer

22

Question 6

Solve the proportion.

Accepted Answer

15

Answer

17.5

Answer

8

Answer

14

Question 7

Solve the proportion.

Accepted Answer

10

Answer

-2

Answer

4

Answer

-7

Question 8

A class has 30 students. 18 are boys. What is the ratio of boys to girls?

Accepted Answer

3:2

Answer

12:18

Answer

30:18

Answer

18:7

Question 9

Which is NOT equivalent to 3:5?

Accepted Answer

21:28

Answer

15:25

Answer

9:15

Answer

30:50

Question 10

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

Accepted Answer

18 minutes

Answer

8 minutes

Answer

9 minutes

Answer

16 minutes

Question 11

You earn $15 every 3 weeks. At this rate, how much will you earn in 5 weeks?

Accepted Answer

$25

Answer

$35

Answer

$5

Answer

$10

Question 12

Patrick has 2 black, 3 red, and 5   white toy cars. What is the ratio of red toy cars to all the toy cars?

Accepted Answer

3:10

Answer

3:5

Answer

1:3

Answer

3:11

Question 13

The Northwestern huskies had a record of 25 wins and 45 losses.  What was the ratio of wins to losses?

Accepted Answer

5:9

Answer

9:5

Answer

5:3

Answer

3:5

Question 14

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

Accepted Answer

102 words per minute

Answer

100 words per minute

Answer

400 words per minute

Answer

412 words per minute

Question 15

In my fish tank, the ratio of red fish to blue fish is 3:5. There are 20 blue fish. How many red fish are there?

Accepted Answer

12

Answer

18

Answer

4

Answer

15

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