Mathematics for IGCSE & O level - Percentages (Section 1)
1
If an item originally costs $80 and is marked down by 25%, what is the sale price?
Vastaus
(C)
$60
2
Which of the following represents an increase of 25%?
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B
C
3
A company's profits increased from $10,000 to $12,000. What is the percentage increase?
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(B)
15%
4
Which situations would lead to a percentage increase?
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A
B
D
5
Which scenarios involve the use of percentage calculations?
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B
D
6
What is 45% of 200?
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(B)
90
7
What is the percentage difference between 25 and 30?
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(B)
16.67%
8
If a company's revenue decreased by 10% in a year, and was $100,000 last year, what is its revenue this year?
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(C)
$90,000
9
Steve's wage is $195 per week. How much does he earn in a year?
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(B)
$10140
10
A store offers a 20% discount. If the sale price of an item is $80, what was the original price?
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(C)
$100
11
A shopkeeper buys an item for $22 and sells it for $27. What is his percentage profit?
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(B)
22.7%
12
If something is increased by 100%, what happens to its value?
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(C)
It doubles
13
If a company makes a profit of $5000 on sales of $25,000, what is the profit as a percentage?
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(C)
20%
14
Which statements are true about simple and compound interest?
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A
B
15
What is the result of multiplying a number by 0.05?
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(A)
5%
16
Which of the following values is equivalent to 0.002?
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(A)
0.2%
17
Which of the following is equivalent to 0.6?
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(B)
60%
18
What is the equivalent of 1/2 as a percentage?
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(C)
50%
19
If the ratio of boys to girls in a class is 2:3, what percentage of the class are girls?
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(D)
66.67%
20
Which are ways to express the discount amount of an item?
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A
B
C
D
21
Express 1/4 as a percentage.
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(B)
25%
22
What is the result of increasing a number by 10% and then decreasing it by 10%?
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(C)
The number decreases
23
Which is bigger, 0.8 or 8%?
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(A)
0.8
24
What is 40% of 150?
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(B)
60
25
Which is bigger, 1/5 or 25%?
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(B)
25%
26
If you score 18 out of 20 on a test, what is your percentage score?
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(C)
90%
27
A trader buys an item for $12.50 and sells it at a loss of $5. What is his percentage loss?
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(B)
40%
28
Pali earns an annual salary of $10980. How much is this a month?
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(A)
$915
29
What is the simplified ratio for the percentage 25%?
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(C)
1:4
30
If the value of an asset depreciates by 15% in a year, what percentage of its original value remains?
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(C)
85%
31
What does a '2-for-1' sale translate to in terms of percentage discount?
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(A)
50%
32
What percentage is 40 out of 200?
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(B)
20%
33
If an investment earns 10% interest per year, how much interest is earned on a $1000 investment after one year?
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(B)
$100
34
Given the percentage profit formula, which variable is used in the denominator?
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(B)
Cost Price
35
Which of the following is/are equivalent to 0.75?
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A
B
D
36
What is 50% of 100?
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(C)
50
37
A shopkeeper buys 100 cups for $1.20 each, sells 80 of them making a profit of 15% on each, and sells the remaining 20 at 95c each. What is his overall percentage profit?
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(D)
13.2%
38
If an item's value reduces by 15% per year and its original value is £1400, what will be the value after 4 years?
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(A)
£728.05
39
If the original price of a product is 'P', and there's a discount of 'D' percent, what is the sale price?
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B
D
40
What is the simplified form of the fraction 20/100?
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(D)
1/5
41
If a shopkeeper buys 100 cups for $1.20 each and sells 80 with a 15% profit and the remaining 20 at 95c each, what is the profit on each of the 80 cups?
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(C)
$0.18
42
If 3/5 of a group are women, what percentage of the group are women?
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(C)
60%
43
What are methods for expressing percentages?
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A
B
C
44
Which of these is equivalent to 40/100?
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(B)
40%
45
What is 1/8 expressed as a percentage?
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(B)
12.5%
46
Express 0.375 as a percentage.
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(B)
37.5%
47
What is the value of 0.80 as a percent?
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(D)
80%
48
Martin had shares worth $8000. They increased in value by 7.5% each year. What was their value after 10 years?
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(D)
$16197
49
A shirt originally costs $25, and the store offers a 10% discount. What is the discounted price?
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(C)
$22.50
50
Electrics buys washing machines for $255 and sells them for $310. What is their percentage profit?
