Percentages # MCQs Practice set

Q.1 What is 25% of 200?

25
50
75
100
Explanation - 25% means 25 per 100. So 25% of 200 = (25/100) × 200 = 50.
Correct answer is: 50

Q.2 40% of a number is 80. What is the number?

100
150
180
200
Explanation - 40% of number = 80 ⇒ (40/100) × number = 80 ⇒ number = 80 × 100 ÷ 40 = 200.
Correct answer is: 200

Q.3 If a shirt costs $120 and is sold at 25% discount, what is the selling price?

$80
$85
$90
$95
Explanation - Discount = 25% of 120 = 30. Selling price = 120 - 30 = 90.
Correct answer is: $90

Q.4 What percent of 50 is 20?

20%
30%
40%
50%
Explanation - 20 ÷ 50 × 100 = 40%.
Correct answer is: 40%

Q.5 Increase 200 by 15%.

215
220
225
230
Explanation - 15% of 200 = 30. New value = 200 + 30 = 230.
Correct answer is: 230

Q.6 If the population of a town increases from 20,000 to 25,000, what is the percentage increase?

20%
22%
25%
30%
Explanation - Increase = 25,000 - 20,000 = 5,000. % increase = (5000/20000) × 100 = 25%.
Correct answer is: 25%

Q.7 Convert 0.75 into percentage.

65%
70%
75%
80%
Explanation - 0.75 × 100 = 75%.
Correct answer is: 75%

Q.8 If a student scores 45 marks out of 60, what percentage is that?

70%
72.5%
75%
77.5%
Explanation - (45 ÷ 60) × 100 = 75%.
Correct answer is: 75%

Q.9 Find the percentage change when a price decreases from $80 to $60.

20%
25%
30%
35%
Explanation - Decrease = 80 - 60 = 20. % decrease = (20/80) × 100 = 25%.
Correct answer is: 25%

Q.10 Which is greater: 30% of 400 or 40% of 200?

30% of 400
40% of 200
Both equal
Cannot be compared
Explanation - 30% of 400 = 120, while 40% of 200 = 80. So 120 > 80.
Correct answer is: 30% of 400

Q.11 Convert 3/8 into percentage.

35%
37.5%
40%
42.5%
Explanation - (3 ÷ 8) × 100 = 37.5%.
Correct answer is: 37.5%

Q.12 If the cost of an item is $150 and VAT is 12%, what is the final price?

$165
$166
$168
$170
Explanation - VAT = 12% of 150 = 18. Final price = 150 + 18 = 168.
Correct answer is: $168

Q.13 A man spends 60% of his salary. If he earns $25,000, how much does he save?

$8,000
$9,000
$10,000
$12,000
Explanation - Savings = 40% of 25,000 = 10,000.
Correct answer is: $10,000

Q.14 Convert 250% into a fraction in simplest form.

5/2
3/2
7/2
9/4
Explanation - 250% = 250/100 = 5/2.
Correct answer is: 5/2

Q.15 What is 150% of 60?

80
85
90
100
Explanation - 150% = 150/100 = 1.5. So 1.5 × 60 = 90.
Correct answer is: 90

Q.16 If a trader marks goods at $500 and offers 20% discount, what is the selling price?

$380
$390
$400
$420
Explanation - 20% of 500 = 100. Selling price = 500 - 100 = 400.
Correct answer is: $400

Q.17 A student scored 120 out of 150 in a test. What is the percentage score?

78%
80%
82%
85%
Explanation - (120 ÷ 150) × 100 = 80%.
Correct answer is: 80%

Q.18 If a fruit seller buys oranges at $20 per dozen and sells at $25 per dozen, what is the percentage profit?

20%
22%
24%
25%
Explanation - Profit = 25 - 20 = 5. % profit = (5/20) × 100 = 25%.
Correct answer is: 25%

Q.19 Convert 7/20 into percentage.

33%
34%
35%
36%
Explanation - (7 ÷ 20) × 100 = 35%.
Correct answer is: 35%

Q.20 A machine costs $12,000. Its value depreciates by 10% every year. What will be its value after 1 year?

$10,800
$11,000
$11,200
$11,500
Explanation - 10% of 12,000 = 1,200. New value = 12,000 - 1,200 = 10,800.
Correct answer is: $10,800

Q.21 If 20% of x is 50, what is x?

200
210
250
230
Explanation - (20/100) × x = 50 ⇒ x = 50 × 100 ÷ 20 = 250.
Correct answer is: 250

Q.22 If 70% of students passed an exam and 210 students passed, how many students appeared?

280
290
300
310
Explanation - 70% of total = 210 ⇒ total = 210 ÷ 0.7 = 300.
Correct answer is: 300

Q.23 Convert 45% into a decimal.

0.35
0.40
0.45
0.50
Explanation - 45% = 45 ÷ 100 = 0.45.
Correct answer is: 0.45

Q.24 If a worker’s wages increase from $500 to $600, what is the percentage increase?

15%
18%
20%
22%
Explanation - Increase = 600 - 500 = 100. % increase = (100/500) × 100 = 20%.
Correct answer is: 20%

Q.25 What is 2.5% of 800?

15
18
20
25
Explanation - 2.5% = 2.5/100. So 800 × 2.5/100 = 20.
Correct answer is: 20