TestUstad

Free Percentages MCQs with Answers

273 Percentages MCQs from Mathematics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

Percentages express a quantity as parts per hundred and support calculations involving increases, decreases, discounts, commissions, taxes, and successive changes. Questions require distinguishing percentage change from percentage points and identifying the original value when a final value and its percentage change are given.

Last updated

273 questions · page 5 of 14

81. What percentage of numbers from 1 to 70 have squares that end in the digit 1?

  • A. 1
  • B. 14
  • C. 20
  • D. 21

Explanation: A square ends in 1 when its number ends in 1 or 9. From 1 to 70 there are 7 numbers ending in 1 and 7 ending in 9, giving 14 numbers; the…

Read the full explanation →
Correct answer: 20

82. The number which exceeds 16% of it by 42 is________?

  • A. 50
  • B. 52
  • C. 58
  • D. 60Educational Resources

Explanation: If the number is x, exceeding 16% of it by 42 means x - 0.16x = 42. Hence 0.84x = 42 and x = 42 / 0.84 = 50.

Read the full explanation →
Correct answer: 50

83. In a class of 120 students , 45 students received a grade of B.What percent of the class received a grade of B ?

  • A. 75 %
  • B. 25.6 %
  • C. 37.5%
  • D. 18.5%General Reference

Explanation: The fraction receiving grade B is 45 students / 120 students. Converting to a percentage gives 45 / 120 x 100 = 37.5%.

Read the full explanation →
Correct answer: 37.5%

84. A company has 7348 bars of soap. If the company sells 20% of its bars of soap .how many bars of soap did it sell?

  • A. 734.8
  • B. 1469.6
  • C. 146950
  • D. 29390

Explanation: The sold amount is 20% of 7348 bars: (20/100) x 7348 bars = 1469.6 bars. Option a, 734.8 bars, comes from using 10% instead of 20%.

Read the full explanation →
Correct answer: 1469.6

85. If 20 teachers out of a faculty of 80 are transferred, what percentage of the original faculty remains ?

  • A. 4
  • B. 16
  • C. 60
  • D. 75

Explanation: The number remaining is 80 teachers - 20 teachers = 60 teachers. Thus, the percentage remaining is (60 teachers / 80 teachers) x 100 =…

Read the full explanation →
Correct answer: 75

86. If 35% of a number is 12 less than 50% of that number, then the number is_________?

  • A. 40
  • B. 50
  • C. 60
  • D. 80

Explanation: The difference between 50% and 35% is 15%, so 15% of the number equals 12: (15/100)n = 12, giving n = 12 x 100 / 15 = 80.

Read the full explanation →
Correct answer: 80

87. The difference between a number and its two-fifth is 510. What is 10% of that number?

  • A. 12.75
  • B. 85
  • C. 204
  • D. None of these

Explanation: The difference is 1 - 2/5 = 3/5 of the number, so (3/5)n = 510 and n = 510 x 5/3 = 850.

Read the full explanation →
Correct answer: 85

88. 45% of 750 - 25% of 480 =__________?

  • A. 216
  • B. 217.50
  • C. 236.50
  • D. 245

Explanation: 45% of 750 is (45/100) x 750 = 337.50, and 25% of 480 is (25/100) x 480 = 120.00; their difference is 337.50 - 120.00 = 217.50, while…

Read the full explanation →
Correct answer: 217.50

89. 3.5 can be expressed in terms of percentage as?

  • A. 0.35%
  • B. 3.5%
  • C. 35%
  • D. 350%Education

Explanation: To convert a number to a percentage, multiply by 100: 3.5 x 100% = 350%.

Read the full explanation →
Correct answer: 350%Education

90. Two tests had the same maximum mark. The pass percentages in the first and the second test were 40% and 45% respectively. A candidate scored 216 marks in the second test and failed by 36 marks in that test. Find the pass mark in the first test?

  • A. 136
  • B. 128
  • C. 164
  • D. 214
  • E. None of these

Explanation: The second-test pass mark is 216 marks + 36 marks = 252 marks. Since 252 marks is 45% of the maximum, the maximum is 252 / 0.45 = 560…

Read the full explanation →
Correct answer: None of these

91. In an election between two candidates A and B, the number of valid votes received by A exceeds those received by B by 15% of the total number of votes polled. If 20% of the votes polled were invalid and a total of 8720 votes were polled, then how many valid votes did B get?

  • A. 2160
  • B. 2420
  • C. 2834
  • D. 3150
  • E. None of these

Explanation: Valid votes were 80% of 8720 votes: 0.80 x 8720 = 6976 votes. Also, A's excess was 15% of 8720 votes = 1308 votes, so B's votes were (6976…

Read the full explanation →
Correct answer: 2834

92. In an office, totally there are 6400 employees and 65% of the total employees are males. 25% of the males in the office are at-least 50 years old. Find the number of males aged below 50 years?

  • A. 1040
  • B. 2080
  • C. 3120
  • D. 4160
  • E. None of these

Explanation: Male employees were 65% of 6400 employees: 0.65 x 6400 = 4160 males. Those aged at least 50 were 25% of 4160 = 1040 males, so below 50…

Read the full explanation →
Correct answer: 3120

93. Anees spends 40% of his income on rent, 30% of the remaining on medicines and 20% of the remaining on education. If he saves Rs. 840 every month, then find his monthly salary?

  • A. Rs. 1800
  • B. Rs. 2000
  • C. Rs. 2200
  • D. Rs. 2500
  • E. None of these

Explanation: After spending 40% on rent, 60% of the salary remains; after spending 30% of that, 70% remains, and after education takes 20%, 80%…

Read the full explanation →
Correct answer: Rs. 2500

94. In a group of 80 children and 10 youngsters, each child got sweets that are 15% of the total number of children and each youngster got sweets that are 25% of the total number of children. How many sweets were there?

  • A. 1160
  • B. 1100
  • C. 1080
  • D. 1210
  • E. None of these

Explanation: Each of the 80 children gets 15% of 80 = 12 sweets, giving 80 x 12 = 960 sweets.

Read the full explanation →
Correct answer: 1160

95. There is a 30% increase in the price of an article in the first year, a 20% decrease in the second year and a 10% increase in the next year. If the final price of the article is Rs. 2288, then what was the price of the article initially?

  • A. Rs. 1500
  • B. Rs. 1800
  • C. Rs. 2000
  • D. Rs. 2400
  • E. None of these

Explanation: The successive price multiplier is 1.30 x 0.80 x 1.10 = 1.144. Therefore, the initial price was Rs. 2288 / 1.144 = Rs.

Read the full explanation →
Correct answer: Rs. 2000

96. In an election only two candidates contested. A candidate secured 70% of the valid votes and won by a majority of 172 votes. Find the total number of valid votes?

  • A. 430
  • B. 570
  • C. 480
  • D. 520
  • E. None of these

Explanation: With only two candidates, the winning margin is the difference between 70% and 30%, or 40% of the valid votes.

Read the full explanation →
Correct answer: 430

97. In a class of 140 students, 60% of them passed. By what percent is the number of students who passed more than the number of failed students?

  • A. 80%
  • B. 20%
  • C. 40%
  • D. 50%
  • E. None of these

Explanation: Passed students = 60% of 140 = 0.60 x 140 = 84 students, so failed students = 140 - 84 = 56 students.

Read the full explanation →
Correct answer: 50%

98. 40% of Raees marks is equal to 20% of Rahim's marks which percent is equal to 30% of Rehman's marks. If Rehman's marks is 80, then find the average marks of Raees and Rahim?

  • A. 60
  • B. 70
  • C. 80
  • D. 90
  • E. None of these

Explanation: Let the common value be 30% of Rehman's 80 marks: 0.30 x 80 marks = 24 marks.

Read the full explanation →
Correct answer: 90

99. Moons salary was first increased by 20% and then decreased by 20%. If his present salary is Rs. 7200, then what was his original salary?

  • A. Rs. 8000
  • B. Rs. 7500
  • C. Rs. 7400
  • D. Rs. 7200
  • E. None of these

Explanation: The two changes multiply the original salary by 1.20 x 0.80 = 0.96, so Rs. 7200 = 0.96 x original salary. Original salary = Rs.

Read the full explanation →
Correct answer: Rs. 7500

100. If 25% of x is 15 less than 15% of 1500, then x is?

  • A. 720
  • B. 750
  • C. 820
  • D. 840
  • E. None of these

Explanation: 15% of 1500 = 0.15 x 1500 = 225. Since 25% of x is 15 less, 0.25x = 225 - 15 = 210, so x = 210 ÷ 0.25 = 840.

Read the full explanation →
Correct answer: 840
Start Free Percentages Practice MCQs Test