Quiz about Rates and Percents Vocabulary

Question 1

Convert this decimal to a percentage  0.175

Accepted Answer

17.5%

Answer

1750%

Answer

175%

Answer

1.75%

Question 2

What fraction is equivalent to 25%?

Accepted Answer

1/4

Answer

1/3

Answer

1/5

Answer

1/8

Question 3

Convert 0.81 to a percent

Accepted Answer

81%

Answer

0.81%

Answer

0.18%

Answer

8.1%

Question 4

Convert 3% to a fraction

Accepted Answer

3/100

Answer

3/10

Answer

3/4

Answer

3/1

Question 5

Write 3/5 as a decimal

Accepted Answer

0.6

Answer

0.3

Answer

0.5

Answer

0.8

Question 6

What is 8% as a decimal?

Accepted Answer

0.08

Answer

0.8

Answer

0.80

Answer

8.0

Question 7

Change .04 to a percent

Accepted Answer

4%

Answer

40%

Answer

400%

Answer

.4%

Question 8

What is 25% of 2 hours?

Accepted Answer

30 minutes

Answer

45 minutes

Answer

0.3 hours

Answer

0.5 minutes

Question 9

What is 10% of $250

Accepted Answer

$25

Answer

$2.50

Answer

$250

Answer

$2500

Question 10

What is 5% of 50

Accepted Answer

2.5

Answer

5

Answer

2

Answer

3

Question 11

What is 90% of 300

Accepted Answer

270

Answer

280

Answer

220

Answer

210

Question 12

A St. Louis Cardinals hat costs $18.  If there is 8% sales tax, what is the total cost of the hat including tax?

Accepted Answer

$19.44

Answer

$1.44

Answer

$22.74

Answer

$21.36

Question 13

My class size has increased by 35% this year. I had 20 students last year, how many do I have now?

Accepted Answer

27

Answer

23

Answer

25

Answer

29

Question 14

What is 40% of 230?

Accepted Answer

92

Answer

9200

Answer

9.20

Answer

575

Question 15

Karen's salary is $26,500. Her salary is increased by 3%. Work out her new salary.

Accepted Answer

$27,295

Answer

$26,760

Answer

$26,235

Answer

$34,450

Question 16

Headphones were reduced to $80 in the summer sale. They were reduced by 20%.

Ali says they were originally $100. Is Ali right or wrong?

Accepted Answer

Right

Answer

Wrong

Question 17

Increase 80 by 10%

Accepted Answer

88

Answer

8

Answer

72

Answer

96

Question 18

Increase 50 by 15%

Accepted Answer

57.5

Answer

7.5

Answer

5

Answer

55

Question 19

Decrease 30 by 20%

Accepted Answer

24

Answer

36

Answer

27

Answer

6

Question 20

Find the percent change.
Original amount: 10
New amount: 12

Accepted Answer

20%

Answer

12%

Answer

15%

Answer

50%

Question 21

Find each percent decrease. Round to the nearest percent.
From $80 to $64

Accepted Answer

20%

Answer

35%

Answer

10%

Answer

25%

Question 22

Find the percent increase. Round to the nearest percent.
From $5 to $8

Accepted Answer

60%

Answer

40%

Answer

55%

Answer

65%

Question 23

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter?

Accepted Answer

20%

Answer

35%

Answer

25%

Answer

30%

Question 24

The amount of money earned on a job is directly proportional to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

Accepted Answer

$308

Answer

$2

Answer

$1.57

Answer

$265

Question 25

If 3 people can complete the project in 7 days, how long will it take 5 people?

Accepted Answer

4.2 days

Answer

3 days

Answer

5 days

Answer

6 days

Question 26

If 12 L of petrol is used by a bike in covering a distance of 222 km, how much distance will it cover in 22 L of petrol

Accepted Answer

407 km

Answer

507 km

Answer

410 km

Answer

412 km

Question 27

The weight of 56 books is 8kg. What is the weight of 154 such books?

Accepted Answer

22kg

Answer

23kg

Answer

30kg

Answer

35kg

Question 28

Simplify the ratio of
35 : 14

Accepted Answer

5 : 2

Answer

2 : 5

Answer

3 : 1

Answer

35: 14

Question 29

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

Accepted Answer

50

Answer

35

Answer

60

Answer

18

Question 30

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 31

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 32

Simplify the ratio of
35 : 14

Accepted Answer

5 : 2

Answer

2 : 5

Answer

3 : 1

Answer

No Option is Correct

Question 33

88 students for 4 classes
How many students per class?

Accepted Answer

22 students per class

Answer

22 classes per student

Answer

25 students per class

Answer

25 classes per student

Question 34

What is the unit rate if there are 1,760 calories in 8 servings?

Accepted Answer

220 calories per serving

Answer

176 calories per serving

Answer

228 calories per serving

Answer

14,080 calories per serving

Question 35

Split $36 into the ratio 1:2

Accepted Answer

$12 : $24

Answer

$36 : $72

Answer

$6 : $30

Answer

$30 : $6

Question 36

Split $35 into the ratio 5:2

Accepted Answer

$25 : $10

Answer

$175 : $70

Answer

$10 : $25

Answer

$35 : $15

Question 37

Divide $120 between David and Jack in the ratio 3 : 5.

Accepted Answer

David gets $45 and Jack gets $75

Answer

David gets $55 and Jack gets $65

Answer

David gets $35 and Jack gets $85

Answer

David gets $50 and Jack gets $75

Question 38

1.  There are a total of 63 bikes.  If the ratios of blue bikes to black bikes is 4 to 5, how many of the bikes are BLUE?

Accepted Answer

28

Answer

35

Answer

25

Answer

5

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics