Quiz about Percentage of Amount, Increase/Decrease and Change (Calc)

Question 1

Kate scored 54 out of 60 in her maths exam. What is this as a percent?

Accepted Answer

90%

Answer

0.9

Answer

54%

Answer

60%

Question 2

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 3

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 4

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 5

A shoe sales associate earned $300 in August. In September she earned 8% more than she did in August. How much did she earn in September?

Accepted Answer

$324

Answer

$164

Answer

$256

Answer

$404

Question 6

A TV is regularly priced at $600, but it is on sale for 20% off. What's the sale price?

Accepted Answer

$480

Answer

$320

Answer

$500

Answer

$720

Question 7

What multiplier represents a 30% decrease?

Accepted Answer

70%

Answer

30%

Answer

170%

Answer

0.3

Question 8

Write down the multiplier used to calculate a 45% decrease.

Accepted Answer

0.55

Answer

0.45

Answer

45

Answer

55

Question 9

A book is advertised as 20% off. If it cost $70 at the register, how much was it originally?

Accepted Answer

$87.50

Answer

$90

Answer

$84

Answer

$50

Question 10

Jack bought a bike for $550 and then sold it for $680. What was his percentage profit?

Accepted Answer

23.6

Answer

130

Answer

19.1

Answer

25.2

Question 11

Find the multiplier for an increase of 15 %

Accepted Answer

1.15

Answer

0.15

Answer

0.1.5

Answer

0.1

Question 12

What is the % of decrease from 35 to 15?

Accepted Answer

40% decrease

Answer

45% decrease

Answer

10/25

Answer

2/4

Question 13

The average number of shirts sold in the shop was 285 every day in summer. As the temperature was lower and lower, the average number of shirts decreased to 114 every day. What was the percentage decrease of in the average number of shirts sold in the shop?

Accepted Answer

60%

Answer

40%

Answer

150%

Answer

171%

Question 14

The inventory of single houses is 980 in the housing market last year. After some of them were sold, there are 637 single houses left. What was the percentage decrease in the number of single houses?

Accepted Answer

35%

Answer

65%

Answer

53%

Answer

34%

Percentage of Amount, Increase/Decrease and Change (Calc)

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