πŸ“ PM Review: Percentage

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Question 1 Difficulty 1
What is 50% of 100?
  • A 25
  • B 50
  • C 75
  • D 100
πŸ’‘ Explanation 50% means half, so 50% of 100 is 50.
Question 2 Difficulty 1
What is 25% of 200?
  • A 25
  • B 50
  • C 75
  • D 100
πŸ’‘ Explanation 25% of 200 is 50 because 25% is one-fourth of 200.
Question 3 Difficulty 1
What is 10% of 150?
  • A 10
  • B 15
  • C 20
  • D 25
πŸ’‘ Explanation 10% of 150 is 15, as 10% is one-tenth of 150.
Question 4 Difficulty 1
What is 75% of 80?
  • A 40
  • B 50
  • C 60
  • D 70
πŸ’‘ Explanation 75% of 80 is 60, as it means 3/4 of 80.
Question 5 Difficulty 1
What is 100% of 50?
  • A 25
  • B 50
  • C 75
  • D 100
πŸ’‘ Explanation 100% of 50 is simply 50.
Question 6 Difficulty 1
What is 5% of 200?
  • A 5
  • B 10
  • C 15
  • D 20
πŸ’‘ Explanation 5% of 200 is 10, as 5% equals 1/20 of 200.
Question 7 Difficulty 1
What is 20% of 250?
  • A 20
  • B 40
  • C 50
  • D 60
πŸ’‘ Explanation 20% of 250 is 50, as it is one-fifth of 250.
Question 8 Difficulty 1
What is 15% of 300?
  • A 15
  • B 30
  • C 45
  • D 60
πŸ’‘ Explanation 15% of 300 is 45, as 15% is 15/100 times 300.
Question 9 Difficulty 1
What is 40% of 500?
  • A 100
  • B 150
  • C 200
  • D 250
πŸ’‘ Explanation 40% of 500 is 200, as it is 2/5 of 500.
Question 10 Difficulty 1
What is 30% of 90?
  • A 27
  • B 30
  • C 28
  • D 29
πŸ’‘ Explanation 30% of 90 is 27, calculated as 0.3 times 90.
Question 11 Difficulty 2
If a cricket player scored 40 runs out of 150 balls, what percentage of balls did he score on?
  • A 20%
  • B 25%
  • C 30%
  • D 35%
πŸ’‘ Explanation Percentage = (40/150) * 100 = 26.67%, rounded to 25%.
Question 12 Difficulty 2
A shopkeeper gives a discount of 15% on an item worth β‚Ή200. What is the discount amount?
  • A β‚Ή10
  • B β‚Ή20
  • C β‚Ή30
  • D β‚Ή40
πŸ’‘ Explanation Discount = 15% of 200 = (15/100) * 200 = β‚Ή30.
Question 13 Difficulty 2
A student scored 450 out of 600 in an exam. What percentage did he score?
  • A 70%
  • B 75%
  • C 80%
  • D 85%
πŸ’‘ Explanation Percentage = (450/600) * 100 = 75%.
Question 14 Difficulty 2
If 20% of a number is 60, what is the number?
  • A 200
  • B 300
  • C 400
  • D 500
πŸ’‘ Explanation Let the number be x. Then, 20% of x = 60, so x = 60/(20/100) = 300.
Question 15 Difficulty 2
A sweater originally costs β‚Ή800 but is on sale for 25% off. What is the sale price?
  • A β‚Ή600
  • B β‚Ή650
  • C β‚Ή700
  • D β‚Ή750
πŸ’‘ Explanation Discount = 25% of 800 = β‚Ή200, so sale price = 800 - 200 = β‚Ή600.
Question 16 Difficulty 2
If a bike is sold for β‚Ή24,000 after a 20% discount, what was its original price?
  • A β‚Ή30,000
  • B β‚Ή28,000
  • C β‚Ή26,000
  • D β‚Ή25,000
πŸ’‘ Explanation Let original price be x. Then, 80% of x = 24000, so x = 24000/(80/100) = β‚Ή30,000.
Question 17 Difficulty 2
If 30% of 500 is equal to what percentage of 200, what is that percentage?
  • A 25%
  • B 30%
  • C 35%
  • D 40%
πŸ’‘ Explanation 30% of 500 = 150. To find percentage of 200, use (150/200)*100 = 75%.
Question 18 Difficulty 2
If a student scored 80 marks and this was 40% of the total marks, what are the total marks?
  • A 180
  • B 200
  • C 220
  • D 250
πŸ’‘ Explanation Let total marks be x. Then 40% of x = 80, so x = 80/(40/100) = 200.
Question 19 Difficulty 2
A fruit vendor sells 40% of his apples. If he had 100 apples initially, how many does he have left?
  • A 40
  • B 60
  • C 50
  • D 70
πŸ’‘ Explanation He sells 40% of 100 apples, which is 40 apples. So, 100 - 40 = 60 apples left.
Question 20 Difficulty 2
If a student answered 18 questions correctly out of 30, what is the percentage of correct answers?
  • A 50%
  • B 60%
  • C 70%
  • D 80%
πŸ’‘ Explanation Percentage = (18/30) * 100 = 60%.
Question 21 Difficulty 3
A shop has a sale of 20% off. If you buy two items, one worth β‚Ή500 and the other β‚Ή300, what is the total price after the discount?
  • A β‚Ή560
  • B β‚Ή640
  • C β‚Ή720
  • D β‚Ή800
πŸ’‘ Explanation Total before discount = β‚Ή500 + β‚Ή300 = β‚Ή800; discount = 20% of 800 = β‚Ή160; total after discount = 800 - 160 = β‚Ή640.
Question 22 Difficulty 3
If a student scored 300 out of 400 and 200 out of 300 in two different subjects, what is the average percentage score of the student?
  • A 65%
  • B 70%
  • C 75%
  • D 80%
πŸ’‘ Explanation Percentage in first subject = (300/400)*100 = 75%; second subject = (200/300)*100 = 66.67%. Average = (75+66.67)/2 = 70%.
Question 23 Difficulty 3
A bicycle was bought for β‚Ή1,200 and sold for β‚Ή1,500. What is the percentage profit made on the bicycle?
  • A 20%
  • B 25%
  • C 30%
  • D 35%
πŸ’‘ Explanation Profit = Selling price - Cost price = 1500 - 1200 = 300; percentage profit = (300/1200)*100 = 25%.
Question 24 Difficulty 3
A cricket team won 30% of its matches. If it played 50 matches, how many matches did it win?
  • A 10
  • B 15
  • C 20
  • D 25
πŸ’‘ Explanation Number of matches won = 30% of 50 = (30/100)*50 = 15 matches.
Question 25 Difficulty 3
If a person earns β‚Ή5000 a month and spends 60% of it, how much does he save?
  • A β‚Ή2000
  • B β‚Ή2500
  • C β‚Ή3000
  • D β‚Ή3500
πŸ’‘ Explanation Amount spent = 60% of 5000 = β‚Ή3000; savings = 5000 - 3000 = β‚Ή2000.
Question 26 Difficulty 3
A student scored 90 marks in Mathematics and this score was 60% of the total marks. What are the total marks?
  • A 120
  • B 150
  • C 200
  • D 250
πŸ’‘ Explanation If 60% = 90, then total marks = 90/(60/100) = 150.
Question 27 Difficulty 3
If a recipe requires 250 grams of sugar and you use 80% of that, how much sugar did you use?
  • A 150 grams
  • B 200 grams
  • C 210 grams
  • D 220 grams
πŸ’‘ Explanation Amount of sugar used = 80% of 250 = (80/100)*250 = 200 grams.
Question 28 Difficulty 3
A family spends 40% of their income on rent. If their total income is β‚Ή60,000, how much do they spend on rent?
  • A β‚Ή20,000
  • B β‚Ή24,000
  • C β‚Ή28,000
  • D β‚Ή30,000
πŸ’‘ Explanation Rent = 40% of 60000 = (40/100)*60000 = β‚Ή24,000.
Question 29 Difficulty 3
A student answered 45 questions correctly out of 60. What is the percentage of correct answers?
  • A 70%
  • B 75%
  • C 80%
  • D 85%
πŸ’‘ Explanation Percentage = (45/60)*100 = 75%.
Question 30 Difficulty 3
If a bike is sold for β‚Ή20,000 at a loss of 20%, what was the original cost price?
  • A β‚Ή25,000
  • B β‚Ή30,000
  • C β‚Ή35,000
  • D β‚Ή40,000
πŸ’‘ Explanation Let cost price be x. Selling price = 80% of x; therefore, x = 20000/(80/100) = β‚Ή25,000.
Question 31 Difficulty 4
A student scored 80% in Mathematics, 70% in Science, and 90% in English. What is the average percentage score across all three subjects?
  • A 76%
  • B 78%
  • C 80%
  • D 82%
πŸ’‘ Explanation Average = (80 + 70 + 90)/3 = 80%. So, average percentage score is 80%.
Question 32 Difficulty 4
If a person saves 25% of his salary and his total salary is β‚Ή40,000, how much does he save in a year?
  • A β‚Ή8,000
  • B β‚Ή10,000
  • C β‚Ή12,000
  • D β‚Ή15,000
πŸ’‘ Explanation Savings = 25% of 40000 = (25/100)*40000 = β‚Ή10,000.
Question 33 Difficulty 4
A car’s value depreciates by 15% every year. If its current value is β‚Ή1,00,000, what will be its value after one year?
  • A β‚Ή85,000
  • B β‚Ή87,500
  • C β‚Ή90,000
  • D β‚Ή95,000
πŸ’‘ Explanation Depreciation = 15% of 100000 = β‚Ή15,000; value after one year = 100000 - 15000 = β‚Ή85,000.
Question 34 Difficulty 4
If a person has β‚Ή50,000 and invests 5% of it in shares, how much does he invest?
  • A β‚Ή1,000
  • B β‚Ή2,500
  • C β‚Ή2,000
  • D β‚Ή2,500
πŸ’‘ Explanation Investment = 5% of 50000 = (5/100)*50000 = β‚Ή2,500.
Question 35 Difficulty 4
A fruit vendor has 200 kgs of apples and sells 30% of them. How many kgs does he have left?
  • A 120
  • B 140
  • C 160
  • D 170
πŸ’‘ Explanation He sells 30% of 200 kgs = 60 kgs. Therefore, remaining = 200 - 60 = 140 kgs.
Question 36 Difficulty 4
A student scored 75 marks in a test which was 150 marks. If the passing percentage is 50%, did he pass?
  • A Yes
  • B No
  • C Maybe
  • D Not Sure
πŸ’‘ Explanation Percentage score = (75/150)*100 = 50%. Since he met the passing score, he passed.
Question 37 Difficulty 4
If a school has 800 students and 40% are girls, how many boys are there in the school?
  • A 320
  • B 480
  • C 400
  • D 600
πŸ’‘ Explanation Number of girls = 40% of 800 = 320. Therefore, boys = 800 - 320 = 480.
Question 38 Difficulty 4
In a class of 50 students, if 60% are passing and the rest are failing, how many students are failing?
  • A 20
  • B 25
  • C 30
  • D 35
πŸ’‘ Explanation Number of passing students = 60% of 50 = 30. Therefore, failing students = 50 - 30 = 20.
Question 39 Difficulty 4
If a teacher has a class of 40 students and 75% of them scored above 60 marks, how many students scored below 60 marks?
  • A 10
  • B 5
  • C 12
  • D 15
πŸ’‘ Explanation Number of students scoring above 60 = 75% of 40 = 30. Therefore, below 60 = 40 - 30 = 10.
Question 40 Difficulty 4
A company had β‚Ή150,000 in sales last year. If sales increased by 20% this year, what are the sales for this year?
  • A β‚Ή180,000
  • B β‚Ή200,000
  • C β‚Ή220,000
  • D β‚Ή240,000
πŸ’‘ Explanation Increase = 20% of 150000 = β‚Ή30,000; therefore, this year's sales = 150000 + 30000 = β‚Ή180,000.
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