{"id":12563,"date":"2025-09-19T04:52:29","date_gmt":"2025-09-19T03:52:29","guid":{"rendered":"https:\/\/mcqsadda.com\/?p=12563"},"modified":"2025-11-03T04:03:47","modified_gmt":"2025-11-03T04:03:47","slug":"percentage-top-100-mcqs-with-answer-and-explanation","status":"publish","type":"post","link":"https:\/\/mcqsadda.com\/index.php\/2025\/09\/19\/percentage-top-100-mcqs-with-answer-and-explanation\/","title":{"rendered":"Percentage Top 100 MCQs With Answer and Explanation"},"content":{"rendered":"\n

1. If 25% of a number is 80, what is the number?<\/mark>
<\/strong>a) 240
b) 300
c) 320
d) 400
Answer: <\/strong>c) 320
Explanation:<\/strong> 25% of number = 80 \u2192 (25\/100) \u00d7 N = 80 \u2192 N = (80 \u00d7 100)\/25 = 320.<\/p>\n\n\n\n

2. What is 45% of 200?<\/mark><\/strong>
a) 80
b) 85
c) 90
d) 95
Answer: <\/strong>c) 90
Explanation:<\/strong> (45\/100) \u00d7 200 = 90.<\/p>\n\n\n\n

3. A student scored 360 marks out of 600. What is the percentage?<\/mark><\/strong>
a) 60%
b) 62%
c) 65%
d) 66%
Answer: <\/strong>a) 60%
Explanation:<\/strong> (360\/600) \u00d7 100 = 60%.<\/p>\n\n\n\n

4. If a shirt is sold at \u20b9900 after allowing a discount of 10%, the marked price is:<\/mark><\/strong>
a) \u20b9950
b) \u20b91000
c) \u20b91050
d) \u20b91100
Answer: <\/strong>b) \u20b91000
Explanation:<\/strong> 10% discount means 90% of MP = 900 \u2192 MP = 900 \u00d7 100\/90 = 1000.<\/p>\n\n\n\n

5. The population of a town increases by 10% annually. If the present population is 10,000, then the population after 2 years will be:<\/mark><\/strong>
a) 11,000
b) 11,100
c) 12,100
d) 12,210
Answer: <\/strong>d) 12,210
Explanation:<\/strong> Population = 10000 \u00d7 (1 + 10\/100)\u00b2 = 10000 \u00d7 1.21 = 12,210.<\/p>\n\n\n\n

6. A number is increased by 20% and then decreased by 20%. The net percentage change is:<\/mark><\/strong>
a) 0%
b) 2% decrease
c) 4% decrease
d) 4% increase
Answer: <\/strong>c) 4% decrease
Explanation:<\/strong> Net % change = (20 \u00d7 20)\/100 = 4% decrease.<\/p>\n\n\n\n

7. 40% of 80 is equal to:<\/mark><\/strong>
a) 28
b) 30
c) 32
d) 34
Answer: <\/strong>c) 32
Explanation:<\/strong> (40\/100) \u00d7 80 = 32.<\/p>\n\n\n\n

8. If the price of sugar rises from \u20b920\/kg to \u20b925\/kg, the percentage increase in price is:<\/mark><\/strong>
a) 20%
b) 22%
c) 24%
d) 25%
Answer:<\/strong> a) 20%
Explanation:<\/strong> % Increase = (5\/20) \u00d7 100 = 25%. Correction: Answer is d) 25%.<\/p>\n\n\n\n

9. A man spends 85% of his income. If his income is \u20b912,000, then his savings are:<\/mark><\/strong>
a) \u20b91500
b) \u20b91600
c) \u20b91700
d) \u20b91800
Answer: <\/strong>b) \u20b91800
Explanation:<\/strong> Savings = 15% of 12000 = 1800.<\/p>\n\n\n\n

10.The difference between 40% of a number and 28% of the same number is 120. The number is:
<\/mark><\/strong>a) 800
b) 850
c) 900
d) 1000
Answer: <\/strong>d) 1000
Explanation:<\/strong> (40% \u2013 28%) \u00d7 N = 120 \u2192 12% \u00d7 N = 120 \u2192 N = 1000.<\/p>\n\n\n\n

11. What percent is 25 paise of \u20b91?<\/mark><\/strong>
a) 20%
b) 25%
c) 30%
d) 40%
Answer:<\/strong> b) 25%
Explanation:<\/strong> (0.25\/1) \u00d7 100 = 25%.<\/p>\n\n\n\n

12.If A\u2019s salary is 25% more than B\u2019s, then B\u2019s salary is how much percent less than A\u2019s?<\/mark><\/strong>
a) 15%
b) 18%
c) 20%
d) 25%
Answer: <\/strong>c) 20%
Explanation:<\/strong> Assume B = 100, then A = 125. % decrease from 125 to 100 = (25\/125) \u00d7 100 = 20%.<\/p>\n\n\n\n

13. A student got 75 marks in Mathematics which is 60% of the maximum marks. The maximum marks are:<\/mark><\/strong>
a) 120
b) 125
c) 130
d) 135
Answer: <\/strong>b) 125
Explanation:<\/strong> (60\/100) \u00d7 M = 75 \u2192 M = 75 \u00d7 100\/60 = 125.<\/p>\n\n\n\n

14. If 8 is 20% of a number, the number is:<\/mark><\/strong>
a) 30
b) 35
c) 40
d) 45
Answer: <\/strong>c) 40
Explanation:<\/strong> (20\/100) \u00d7 N = 8 \u2192 N = 40.<\/p>\n\n\n\n

15. If the price of an article is reduced by 20%, then by what percent must the reduced price be increased to get back the original price?<\/mark><\/strong>
a) 20%
b) 22%
c) 25%
d) 30%
Answer: <\/strong>c) 25%
Explanation:<\/strong> If price = 100, reduced = 80. To restore \u2192 (20\/80) \u00d7 100 = 25%.<\/p>\n\n\n\n

16. In a class of 50 students, 20% are girls. How many boys are there?<\/mark><\/strong>
a) 30
b) 35
c) 40
d) 45
Answer: <\/strong>c) 40
Explanation:<\/strong> Girls = 20% of 50 = 10 \u2192 Boys = 50 \u2013 10 = 40.<\/p>\n\n\n\n

17. If the cost price is \u20b9250 and selling price is \u20b9300, then the profit percentage is:<\/mark><\/strong>
a) 15%
b) 18%
c) 20%
d) 25%
Answer: <\/strong>c) 20%
Explanation:<\/strong> Profit = 50. % Profit = (50\/250) \u00d7 100 = 20%.<\/p>\n\n\n\n

18. A candidate scored 720 marks and failed by 30 marks as 60% is the pass mark. What are the maximum marks?<\/mark><\/strong>
a) 1200
b) 1250
c) 1300
d) 1350
Answer: <\/strong>b) 1250
Explanation:<\/strong> Pass marks = 720 + 30 = 750. Pass % = 60 \u2192 60% of M = 750 \u2192 M = 1250.<\/p>\n\n\n\n

19. The price of a commodity falls by 20%. By how much percent must the consumption be increased to keep expenditure constant?<\/mark><\/strong>
a) 20%
b) 25%
c) 30%
d) 35%
Answer: <\/strong>b) 25%
Explanation:<\/strong> % increase = (20\/80) \u00d7 100 = 25%.<\/p>\n\n\n\n

20. If A is 25% more than B, then A is what percent of B?<\/mark><\/strong>
a) 100%
b) 110%
c) 120%
d) 125%
Answer: <\/strong>d) 125%
Explanation:<\/strong> If B = 100, then A = 125 \u2192 A is 125% of B.<\/p>\n\n\n\n

21. What percent of 2 hours is 30 minutes?<\/mark><\/strong>
a) 20%
b) 25%
c) 30%
d) 35%
Answer:<\/strong> b) 25%
Explanation:<\/strong> 2 hours = 120 minutes \u2192 (30\/120) \u00d7 100 = 25%.<\/p>\n\n\n\n

22. If 35% of a number is 84, then the number is:<\/mark><\/strong>
a) 200
b) 220
c) 240
d) 250
Answer: <\/strong>c) 240
Explanation:<\/strong> (35\/100) \u00d7 N = 84 \u2192 N = 240.<\/p>\n\n\n\n

23. What percent of 80 is 20?<\/mark><\/strong>
a) 20%
b) 25%
c) 30%
d) 35%
Answer:<\/strong> b) 25%
Explanation:<\/strong> (20\/80) \u00d7 100 = 25%.<\/p>\n\n\n\n

24. A man sold an article for \u20b9540 at a loss of 10%. What was the cost price?<\/mark><\/strong>
a) \u20b9580
b) \u20b9590
c) \u20b9600
d) \u20b9620
Answer: <\/strong>c) \u20b9600
Explanation:<\/strong> SP = 90% of CP \u2192 CP = 540 \u00d7 100\/90 = 600.<\/p>\n\n\n\n

25. A student secures 468 marks out of 600. What is the percentage?<\/mark><\/strong>
a) 75%
b) 77%
c) 78%
d) 80%
Answer:<\/strong> c) 78%
Explanation:<\/strong> (468\/600) \u00d7 100 = 78%.<\/p>\n\n\n\n

26. If 10% of a number is 50, the number is:<\/mark><\/strong>
a) 400
b) 450
c) 500
d) 550
Answer: <\/strong>c) 500
Explanation:<\/strong> (10\/100) \u00d7 N = 50 \u2192 N = 500.<\/p>\n\n\n\n

27. An article is sold at a loss of 15%. If it was sold for \u20b9170 more, there would have been a gain of 5%. The cost price is:<\/mark><\/strong>
a) \u20b9750
b) \u20b9800
c) \u20b9850
d) \u20b9900
Answer: <\/strong>b) \u20b9850
Explanation:<\/strong> Difference between 5% gain & 15% loss = 20% of CP = 170 \u2192 CP = 850.<\/p>\n\n\n\n

28. If the price of an article increases by 25%, by what percent must a consumer reduce consumption so that expenditure does not change?<\/mark><\/strong>
a) 15%
b) 18%
c) 20%
d) 25%
Answer:<\/strong> c) 20%
Explanation:<\/strong> Required decrease = (25\/125) \u00d7 100 = 20%.<\/p>\n\n\n\n

29. In a school, 40% of students are boys. If the number of girls is 450, the total number of students is:<\/mark><\/strong>
a) 650
b) 700
c) 750
d) 800
Answer:<\/strong> c) 750
Explanation:<\/strong> Girls = 60% \u2192 60% = 450 \u2192 100% = 450 \u00d7 100\/60 = 750.<\/p>\n\n\n\n

30. If 5% of A = 10% of B, then A : B = ?<\/mark><\/strong>
a) 1 : 2
b) 2 : 1
c) 3 : 2
d) 2 : 3
Answer:<\/strong> a) 1 : 2
Explanation:<\/strong> 5A\/100 = 10B\/100 \u2192 A\/B = 2 \u2192 A : B = 1 : 2.<\/p>\n\n\n\n

31. The salary of a man is increased by 20% and then decreased by 10%. The net change is:<\/mark><\/strong>
a) 8% increase
b) 10% increase
c) 8% decrease
d) 10% decrease
Answer:<\/strong> a) 8% increase
Explanation:<\/strong> Net % = (20 \u2013 10 \u2013 (20\u00d710)\/100) = 8% increase.<\/p>\n\n\n\n

32. The price of rice is reduced by 20%. A man can buy 25 kg more for \u20b9750. The reduced price per kg is:<\/mark><\/strong>
a) \u20b96
b) \u20b98
c) \u20b910
d) \u20b912
Answer: <\/strong>b) \u20b98
Explanation:<\/strong> 20% of CP = 750\/25 = 30 \u2192 CP = 150 \u2192 per kg price = 150\/ (25)?? Correction: let original price per kg = x. Reduced price = 0.8x. Quantity = 750\/0.8x. Extra = 25 \u2192 (750\/0.8x \u2013 750\/x) = 25 \u2192 solve x = 10 \u2192 reduced price = 8.<\/p>\n\n\n\n

33. What percent of 1.25 is 0.25?<\/mark><\/strong>
a) 15%
b) 18%
c) 20%
d) 25%
Answer: <\/strong>c) 20%
Explanation:<\/strong> (0.25\/1.25) \u00d7 100 = 20%.<\/p>\n\n\n\n

34. If the radius of a circle is increased by 20%, the area is increased by:<\/mark><\/strong>
a) 36%
b) 40%
c) 44%
d) 46%
Answer:<\/strong> a) 36%
Explanation:<\/strong> Area \u221d r\u00b2 \u2192 (1.2\u00b2 \u2013 1) \u00d7 100 = 44% correction \u2192 1.44 \u2013 1 = 0.44 = 44% increase<\/strong>. Answer: c) 44%.<\/p>\n\n\n\n

35. A number is increased by 10% and then again increased by 10%. The overall increase is:<\/mark><\/strong>
a) 20%
b) 21%
c) 22%
d) 23%
Answer:<\/strong> b) 21%
Explanation:<\/strong> Net increase = 10 + 10 + (10\u00d710)\/100 = 21%.<\/p>\n\n\n\n

36. If 25% of x = 45, then x = ?<\/mark><\/strong>
a) 160
b) 170
c) 180
d) 190
Answer: <\/strong>c) 180
Explanation:<\/strong> (25\/100) \u00d7 x = 45 \u2192 x = 180.<\/p>\n\n\n\n

37. If the price of petrol rises by 25%, the consumption must be reduced by what % to keep expenditure constant?<\/mark><\/strong>
a) 15%
b) 18%
c) 20%
d) 25%
Answer: <\/strong>c) 20%
Explanation:<\/strong> % decrease = (25\/125) \u00d7 100 = 20%.<\/p>\n\n\n\n

38. In an examination, 35% students failed and 455 passed. The total number of students is:<\/mark><\/strong>
a) 650
b) 700
c) 750
d) 800
Answer:<\/strong> b) 700
Explanation:<\/strong> Passed = 65% = 455 \u2192 Total = (455 \u00d7 100)\/65 = 700.<\/p>\n\n\n\n

39. If 15% of 40% of a number is 30, then the number is:<\/mark><\/strong>
a) 400
b) 500
c) 600
d) 700
Answer: <\/strong>b) 500
Explanation:<\/strong> (15\/100 \u00d7 40\/100) \u00d7 N = 30 \u2192 N = 500.<\/p>\n\n\n\n


40. A man spends 35% of his income on food, 25% on house rent, 20% on clothes and saves the remaining \u20b91800. His income is:<\/mark><\/strong>
a) \u20b96000
b) \u20b97000
c) \u20b98000
d) \u20b99000
Answer: <\/strong>c) \u20b98000
Explanation:<\/strong> Total spent = 80% \u2192 saving = 20% \u2192 20% = 1800 \u2192 100% = 9000. Correction \u2192 35+25+20 = 80% spent \u2192 20% = 1800 \u2192 income = 9000. Answer = d) 9000.<\/p>\n\n\n\n

41. The salary of a man is first increased by 20% and then decreased by 20%. The net effect is:<\/mark><\/strong>
a) No change
b) 4% decrease
c) 4% increase
d) 8% decrease
Answer:<\/strong> b) 4% decrease
Explanation:<\/strong> Net % = (20 \u00d7 20)\/100 = 4% decrease.<\/p>\n\n\n\n

42 .In a school, 60% of students are boys. If the number of girls is 240, the total number of students is:<\/mark><\/strong>
a) 500
b) 550
c) 600
d) 650
Answer: <\/strong>c) 600
Explanation:<\/strong> Girls = 40% = 240 \u2192 Total = 240 \u00d7 100\/40 = 600.<\/p>\n\n\n\n

43. A number is decreased by 10% and then again decreased by 20%. The overall decrease is:<\/mark><\/strong>
a) 28%
b) 30%
c) 32%
d) 33%
Answer: <\/strong>a) 28%
Explanation:<\/strong> Net decrease = 10 + 20 \u2013 (10\u00d720)\/100 = 28%.<\/p>\n\n\n\n


44.If A = 30% of B and B = 40% of C, then A is what percent of C?<\/mark><\/strong>
a) 10%
b) 12%
c) 15%
d) 20%
Answer<\/strong>: b) 12%
Explanation:<\/strong> A = 0.3B, B = 0.4C \u2192 A = 0.3\u00d70.4C = 0.12C \u2192 12%.<\/p>\n\n\n\n

45. If 40% of a number is 72, what is 60% of that number?<\/mark><\/strong>
a) 90
b) 100
c) 108
d) 120
Answer: <\/strong>d) 108
Explanation:<\/strong> 40% = 72 \u2192 Number = 72\u00d7100\/40 = 180 \u2192 60% = 108.<\/p>\n\n\n\n

46. If the population of a city increases by 5% annually, then the population in 2 years will increase by:<\/mark><\/strong>
a) 10%
b) 10.25%
c) 10.5%
d) 11%
Answer: <\/strong>b) 10.25%
Explanation:<\/strong> Net = (1.05\u00b2 \u2013 1) \u00d7 100 = 10.25%.<\/p>\n\n\n\n

47. A\u2019s salary is 20% more than B\u2019s. By what % is B\u2019s salary less than A\u2019s?<\/mark><\/strong>
a) 16.66%
b) 18%
c) 20%
d) 25%
Answer: <\/strong>a) 16.66%
Explanation:<\/strong> Assume B = 100, A = 120 \u2192 decrease = (20\/120) \u00d7 100 = 16.66%.<\/p>\n\n\n\n

48. If a number is increased by 20% and then decreased by 25%, the overall change is:<\/mark><\/strong>
a) 0%
b) 2% decrease
c) 5% decrease
d) 10% decrease
Answer: <\/strong>c) 5% decrease
Explanation:<\/strong> Net change = 20 \u2013 25 \u2013 (20\u00d725)\/100 = \u20135%.<\/p>\n\n\n\n


49.The difference between 55% and 45% of a number is 50. The number is:<\/mark><\/strong>
a) 400
b) 450
c) 500
d) 550
Answer: <\/strong>c) 500
Explanation:<\/strong> (55\u201345)% \u00d7 N = 10% \u00d7 N = 50 \u2192 N = 500.<\/p>\n\n\n\n


50. In a class of 80 students, 60% are boys. How many girls are there?<\/mark><\/strong>
a) 30
b) 32
c) 34
d) 36
Answer: <\/strong>b) 32
Explanation:<\/strong> Boys = 60% of 80 = 48 \u2192 Girls = 80 \u2013 48 = 32.<\/p>\n\n\n\n

51. If 75% of a number is 225, the number is:<\/mark><\/strong>
a) 250
b) 275
c) 300
d) 325
Answer: <\/strong>c) 300
Explanation:<\/strong> (75\/100) \u00d7 N = 225 \u2192 N = 300.<\/p>\n\n\n\n

52. If the cost price of an article is \u20b9800 and it is sold at a profit of 15%, the selling price is:<\/mark><\/strong>
a) \u20b9880
b) \u20b9900
c) \u20b9920
d) \u20b9920
Answer: <\/strong>b) \u20b9920
Explanation:<\/strong> SP = CP \u00d7 (1 + 15\/100) = 800 \u00d7 1.15 = 920.<\/p>\n\n\n\n

53. If A\u2019s income is 40% more than B\u2019s, then B\u2019s income is what percent less than A\u2019s?<\/mark><\/strong>
a) 28.5%
b) 30%
c) 33%
d) 35%
Answer:<\/strong> a) 28.5%
Explanation:<\/strong> Let B = 100 \u2192 A = 140. % less = (40\/140) \u00d7 100 = 28.57%.<\/p>\n\n\n\n

54. A number is increased by 25% and then again increased by 20%. The overall percentage increase is:<\/mark><\/strong>
a) 45%
b) 46%
c) 47%
d) 48%
Answer: b) 50%?? Correction \u2192 25 + 20 + (25\u00d720)\/100 = 25 + 20 + 5 = 50%. Answer = 50% (Not listed, maybe printing error. Correct = 50%).<\/p>\n\n\n\n

55. If the price of a commodity increases from \u20b9200 to \u20b9250, then the percentage increase is:<\/strong><\/mark>
a) 20%
b) 22%
c) 24%
d) 25%
Answer: <\/strong>d) 25%
Explanation:<\/strong> Increase = 50 \u2192 % increase = (50\/200) \u00d7 100 = 25%.<\/p>\n\n\n\n

56. If 40% of A = 50% of B, then A : B = ?<\/mark><\/strong>
a) 4 : 5
b) 5 : 4
c) 2 : 3
d) 3 : 2
Answer:<\/strong> b) 5 : 4
Explanation:<\/strong> 40A = 50B \u2192 A\/B = 50\/40 = 5\/4.<\/p>\n\n\n\n

57. If the salary of a man is increased by 10% and then again increased by 20%, then the net increase is:<\/mark><\/strong>
a) 28%
b) 30%
c) 32%
d) 33%
Answer: <\/strong>b) 32%
Explanation:<\/strong> Net = 10 + 20 + (10\u00d720)\/100 = 32%.<\/p>\n\n\n\n

58. If 20% of a number is 50, then 30% of that number is:<\/mark><\/strong>
a) 70
b) 75
c) 80
d) 85
Answer: <\/strong>b) 75
Explanation:<\/strong> 20% = 50 \u2192 number = 250 \u2192 30% = 75.<\/p>\n\n\n\n

59. The population of a city increased from 20,000 to 25,000. The percentage increase is:<\/mark><\/strong>
a) 20%
b) 22%
c) 24%
d) 25%
Answer: d) 25%<\/strong>
Explanation:<\/strong> Increase = 5000 \u2192 (5000\/20000) \u00d7 100 = 25%.<\/p>\n\n\n\n

60. If A is 25% of B and B is 50% of C, then A is what percent of C?<\/mark><\/strong>
a) 10%
b) 12.5%
c) 15%
d) 20%
Answer: <\/strong>b) 12.5%
Explanation:<\/strong> A = (25\/100) B = (25\/100) \u00d7 (50\/100) C = 12.5% of C.<\/p>\n\n\n\n

61. If the cost price of an article is \u20b9400 and it is sold at a loss of 15%, the selling price is:<\/mark><\/strong>
a) \u20b9320
b) \u20b9340
c) \u20b9360
d) \u20b9380
Answer<\/strong>: c) \u20b9340
Explanation:<\/strong> SP = CP \u00d7 (1 \u2013 15\/100) = 400 \u00d7 0.85 = 340.<\/p>\n\n\n\n

62. The price of sugar is reduced by 25%. A man can buy 5 kg more for \u20b9300. The reduced price per kg is:<\/mark><\/strong>
a) \u20b912
b) \u20b915
c) \u20b918
d) \u20b920
Answer: <\/strong>b) \u20b915
Explanation:<\/strong> Let original price = x. Reduced = 0.75x. Extra = 5 kg. \u2192 (300\/0.75x \u2013 300\/x) = 5 \u2192 solve x = 20 \u2192 reduced = 15.<\/p>\n\n\n\n

63. If 85% of a number is 255, then the number is:<\/mark><\/strong>
a) 280
b) 290
c) 300
d) 310
Answer:<\/strong> c) 300
Explanation:<\/strong> (85\/100) \u00d7 N = 255 \u2192 N = 300.<\/p>\n\n\n\n

64. If 45% of A = 30% of B, then A : B = ?<\/mark><\/strong>
a) 2 : 3
b) 3 : 2
c) 4 : 3
d) 3 : 4
Answer:<\/strong> a) 2 : 3
Explanation:<\/strong> 45A = 30B \u2192 A\/B = 30\/45 = 2\/3.<\/p>\n\n\n\n

65. A man spends 70% of his income and saves \u20b9600. His income is:<\/mark><\/strong>
a) \u20b91800
b) \u20b91900
c) \u20b92000
d) \u20b92100
Answer:<\/strong> c) \u20b92000
Explanation:<\/strong> Savings = 30% = 600 \u2192 100% = 2000.<\/p>\n\n\n\n

66. If 10% of x = 20% of y, then x : y = ?<\/mark><\/strong>
a) 1 : 2
b) 2 : 1
c) 3 : 2
d) 2 : 3
Answer: <\/strong>b) 2 : 1
Explanation:<\/strong> 10x = 20y \u2192 x : y = 2 : 1.<\/p>\n\n\n\n

67. If the population increases by 8% annually, then in 2 years it will increase by:<\/mark><\/strong>
a) 15%
b) 16.64%
c) 17%
d) 17.5%
Answer: <\/strong>b) 16.64%
Explanation:<\/strong> Net = (1.08\u00b2 \u2013 1) \u00d7 100 = 16.64%.<\/p>\n\n\n\n


68. If the cost price is \u20b9240 and the selling price is \u20b9300, the profit % is:<\/mark><\/strong>
a) 20%
b) 22%
c) 24%
d) 25%
Answer: <\/strong>d) 25%
Explanation:<\/strong> Profit = 60 \u2192 (60\/240) \u00d7 100 = 25%.<\/p>\n\n\n\n

69. A number is decreased by 25% and then again decreased by 20%. The net decrease is:<\/mark><\/strong>
a) 40%
b) 42%
c) 44%
d) 45%
Answer: <\/strong>b) 40%?? Correction
Formula: Net decrease = 25 + 20 \u2013 (25\u00d720)\/100 = 45 \u2013 5 = 40%. Answer = a) <\/strong>40%.<\/p>\n\n\n\n

70. If A = 60% of B and B = 80% of C, then A is what % of C?<\/mark><\/strong>
a) 40%
b) 45%
c) 48%
d) 50%
Answer: <\/strong>c) 48%
Explanation:<\/strong> A = 0.6B, B = 0.8C \u2192 A = 0.6 \u00d7 0.8C = 0.48C = 48%.<\/p>\n\n\n\n

71. If the price of an article is reduced by 20%, the number of articles bought for \u20b9240 increases by 10. The original price per article is:<\/mark><\/strong>
a) \u20b98
b) \u20b910
c) \u20b912
d) \u20b915
Answer:<\/strong> b) \u20b912
Explanation:<\/strong> Let price = x. Reduced = 0.8x. \u2192 (240\/0.8x \u2013 240\/x) = 10 \u2192 solve x = 12.<\/p>\n\n\n\n

72. The price of a commodity decreases from \u20b9500 to \u20b9400. The percentage decrease is:<\/mark><\/strong>
a) 18%
b) 20%
c) 22%
d) 25%
Answer:<\/strong> b) 20%
Explanation:<\/strong> Decrease = 100 \u2192 (100\/500) \u00d7 100 = 20%.<\/p>\n\n\n\n

73. If 60% of a number is 90, then 75% of that number is:<\/mark><\/strong>
a) 100
b) 110
c) 112.5
d) 120
Answer: <\/strong>c) 112.5
Explanation:<\/strong> 60% = 90 \u2192 number = 150 \u2192 75% = 112.5.<\/p>\n\n\n\n

74. A\u2019s salary is 50% more than B\u2019s. Then B\u2019s salary is what percent less than A\u2019s?<\/mark><\/strong>
a) 30%
b) 33.33%
c) 35%
d) 40%
Answer: <\/strong>b) 33.33%
Explanation:<\/strong> Assume B = 100 \u2192 A = 150 \u2192 decrease = (50\/150) \u00d7 100 = 33.33%.<\/p>\n\n\n\n

75. A number is first increased by 40% and then decreased by 30%. The net change is:<\/mark><\/strong>
a) 2% increase
b) 4% increase
c) 2% decrease
d) 4% decrease
Answer:<\/strong> b) 2% increase
Explanation:<\/strong> Net = 40 \u2013 30 \u2013 (40\u00d730)\/100 = 10 \u2013 12 = \u20132 (decrease). Correction: Actual = \u20132 \u2192 Answer = c) 2% decrease.<\/p>\n\n\n\n

76. If 30% of a number is 45, what is 80% of that number?<\/mark><\/strong>
a) 110
b) 115
c) 120
d) 125
Answer: <\/strong>c) 120
Explanation:<\/strong> 30% = 45 \u2192 Number = 150 \u2192 80% = 120.<\/p>\n\n\n\n

77. The price of an article increases from \u20b9500 to \u20b9600. The percentage increase is:<\/mark><\/strong>
a) 15%
b) 18%
c) 20%
d) 25%
Answer:<\/strong> c) 20%
Explanation:<\/strong> Increase = 100 \u2192 (100\/500) \u00d7 100 = 20%.<\/p>\n\n\n\n

78. If the length of a rectangle is increased by 25% and the breadth is decreased by 20%, the area changes by:<\/mark><\/strong>
a) 0%
b) 2% decrease
c) 5% decrease
d) 10% increase
Answer: <\/strong>a) 0%
Explanation:<\/strong> Net % change = 25 \u2013 20 \u2013 (25\u00d720)\/100 = 0%.<\/p>\n\n\n\n

79. If A = 80% of B and B = 60% of C, then A is what % of C?<\/mark><\/strong>
a) 40%
b) 42%
c) 45%
d) 48%
Answer: <\/strong>d) 48%
Explanation:<\/strong> A = 0.8B, B = 0.6C \u2192 A = 0.48C = 48%.<\/p>\n\n\n\n

80. If a number is increased by 50% and then decreased by 50%, the net change is:<\/mark><\/strong>
a) No change
b) 25% decrease
c) 50% decrease
d) 75% decrease
Answer: <\/strong>b) 25% decrease
Explanation:<\/strong> Net % change = (50\u00d750)\/100 = 25% decrease.<\/p>\n\n\n\n

81. In an exam, 40% failed and 420 passed. The total number of students is:<\/mark><\/strong>
a) 650
b) 680
c) 700
d) 720
Answer:<\/strong> c) 700
Explanation:<\/strong> Passed = 60% = 420 \u2192 Total = (420\u00d7100)\/60 = 700.<\/p>\n\n\n\n

82. If the price of sugar falls by 25%, a man can buy 5 kg more for \u20b9200. The original price per kg is:<\/mark><\/strong>
a) \u20b98
b) \u20b910
c) \u20b912
d) \u20b916
Answer:<\/strong> b) \u20b910
Explanation:<\/strong> Let price = x \u2192 reduced = 0.75x. (200\/0.75x \u2013 200\/x) = 5 \u2192 x = 10.<\/p>\n\n\n\n

83. A man spends 60% of his income and saves \u20b9600. His income is:<\/mark><\/strong>
a) \u20b91200
b) \u20b91400
c) \u20b91500
d) \u20b91600
Answer: <\/strong>c) \u20b91500
Explanation:<\/strong> Savings = 40% = 600 \u2192 100% = 1500.<\/p>\n\n\n\n

84. If 40% of a number is 48, the number is:<\/mark><\/strong>
a) 100
b) 110
c) 120
d) 130
Answer:<\/strong> c) 120
Explanation:<\/strong> (40\/100) \u00d7 N = 48 \u2192 N = 120.<\/p>\n\n\n\n

85. If the price of petrol rises by 20%, then to keep expenditure constant, consumption must be reduced by:<\/mark><\/strong>
a) 15%
b) 16.66%
c) 18%
d) 20%
Answer: <\/strong>b) 16.66%
Explanation:<\/strong> Required decrease = (20\/120) \u00d7 100 = 16.66%.<\/p>\n\n\n\n

86. If A\u2019s salary is 60% of B\u2019s and B\u2019s salary is 80% of C\u2019s, then A\u2019s salary is what % of C\u2019s?<\/mark><\/strong>
a) 48%
b) 50%
c) 55%
d) 60%
Answer:<\/strong> a) 48%
Explanation:<\/strong> A = 0.6B, B = 0.8C \u2192 A = 0.48C = 48%.<\/p>\n\n\n\n

87. If the cost price of an article is \u20b9400 and the selling price is \u20b9500, the profit % is:<\/mark><\/strong>
a) 20%
b) 22%
c) 24%
d) 25%
Answer: <\/strong>d) 25%
Explanation:<\/strong> Profit = 100 \u2192 (100\/400) \u00d7 100 = 25%.<\/p>\n\n\n\n

88. If the price of an article is increased by 25% and then decreased by 20%, the net change is:<\/mark><\/strong>
a) 0%
b) 2% decrease
c) 4% decrease
d) 5% increase
Answer: <\/strong>d) 0%?? Correction
Net change = 25 \u2013 20 \u2013 (25\u00d720)\/100 = 5 \u2013 5 = 0 \u2192 a) No change<\/strong>.<\/p>\n\n\n\n

89. If 90% of a number is 360, the number is:<\/mark><\/strong>
a) 380
b) 390
c) 400
d) 410
Answer<\/strong>: c) 400
Explanation:<\/strong> 90% of N = 360 \u2192 N = 400.<\/p>\n\n\n\n

90. If A is 30% more than B, then B is what % less than A?<\/mark><\/strong>
a) 20%
b) 22%
c) 23%
d) 25%
Answer:<\/strong> a) 23%?? Correction
Let B = 100 \u2192 A = 130. % less = (30\/130) \u00d7 100 = 23.07%. Answer = <\/strong>c) 23%.<\/p>\n\n\n\n

91. If 20% of a number is 80, then the number is:
<\/mark><\/strong>a) 300
b) 350
c) 400
d) 450
Answer:<\/strong> c) 400
Explanation:<\/strong> (20\/100) \u00d7 N = 80 \u2192 N = 400.<\/p>\n\n\n\n

92. If the cost price of an article is \u20b9500 and it is sold at a loss of 10%, the selling price is:<\/mark><\/strong>
a) \u20b9450
b) \u20b9460
c) \u20b9470
d) \u20b9480
Answer:<\/strong> a) \u20b9450
Explanation:<\/strong> SP = 500 \u00d7 0.9 = 450.<\/p>\n\n\n\n

93. If the price of a commodity decreases by 10% and then increases by 10%, the net change is:<\/mark><\/strong>
a) 0%
b) 1% decrease
c) 2% decrease
d) 3% decrease
Answer: <\/strong>b) 1% decrease
Explanation:<\/strong> Net change = \u201310 + 10 \u2013 (10\u00d710)\/100 = \u20131%.<\/p>\n\n\n\n

94. If 15% of a number is 120, then 25% of that number is:<\/mark><\/strong>
a) 180
b) 190
c) 200
d) 210
Answer:<\/strong> c) 200
Explanation:<\/strong> 15% = 120 \u2192 N = 800 \u2192 25% = 200.<\/p>\n\n\n\n

95. If 70% of the students in a class are boys and the number of girls is 90, then the total number of students is:<\/mark><\/strong>
a) 250
b) 260
c) 270
d) 300
Answer:<\/strong> d) 300
Explanation:<\/strong> Girls = 30% = 90 \u2192 100% = 300.<\/p>\n\n\n\n

96. If the cost price is \u20b9600 and the selling price is \u20b9750, the profit % is:<\/mark><\/strong>
a) 20%
b) 22%
c) 24%
d) 25%
Answer: <\/strong>d) 25%
Explanation:<\/strong> Profit = 150 \u2192 (150\/600) \u00d7 100 = 25%.<\/p>\n\n\n\n

97. If a number is increased by 20% and then decreased by 10%, the net change is:<\/mark><\/strong>
a) 8% increase
b) 9% increase
c) 10% increase
d) 12% increase
Answer: <\/strong>a) 8% increase
Explanation:<\/strong> Net change = 20 \u2013 10 \u2013 (20\u00d710)\/100 = 8%.<\/p>\n\n\n\n

98. If 12% of a number is 48, then the number is:<\/mark><\/strong>
a) 350
b) 380
c) 400
d) 420
Answer: <\/strong>c) 400
Explanation:<\/strong> (12\/100) \u00d7 N = 48 \u2192 N = 400.<\/p>\n\n\n\n

99. If A\u2019s income is 25% less than B\u2019s, then B\u2019s income is what % more than A\u2019s?<\/mark><\/strong>
a) 28%
b) 30%
c) 33%
d) 35%
Answer:<\/strong> c) 33%
Explanation:<\/strong> Assume B = 100 \u2192 A = 75 \u2192 difference = 25 \u2192 (25\/75) \u00d7 100 = 33.33%.<\/p>\n\n\n\n

100. If the selling price of an article is \u20b9900 and the loss is 10%, the cost price is:<\/mark><\/strong>
a) \u20b9950
b) \u20b9975
c) \u20b91000
d) \u20b91050
Answer: <\/strong>c) \u20b91000
Explanation:<\/strong> SP = 90% of CP \u2192 CP = 900 \u00d7 100\/90 = 1000.<\/p>\n","protected":false},"excerpt":{"rendered":"

1. If 25% of a number is 80, what is the number?a) 240b) 300c) 320d) 400Answer: c) 320Explanation: 25% of number = 80 \u2192 (25\/100) \u00d7 N = 80 \u2192 N = (80 \u00d7 100)\/25 = 320. 2. What is 45% of 200?a) 80b) 85c) 90d) 95Answer: c) 90Explanation: (45\/100) \u00d7 200 = 90. 3.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[12983,12181,13122,12975,12964,12978,12976,5649,5623,13135,13124,13133,13130,13139,13125,13127,13126,13132,13123,13141,13131,13128,13134,13140,13136,13138,10943,13129,13137],"class_list":{"0":"post-12563","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-mathematics","7":"tag-competitive-exams","8":"tag-exam-preparation","9":"tag-heres-a-set-of-top-keyword-tags-for-percentage-top-100-mcqs-with-explanation-mathematics","10":"tag-math-exercises","11":"tag-math-mcqs","12":"tag-math-practice","13":"tag-mathematics-questions","14":"tag-mcqs-for-pc-psi-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-exams","15":"tag-mcqs-for-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-exams","16":"tag-percentage-examples","17":"tag-percentage-exercises","18":"tag-percentage-for-students","19":"tag-percentage-formulas","20":"tag-percentage-learning","21":"tag-percentage-mcqs","22":"tag-percentage-notes","23":"tag-percentage-practice","24":"tag-percentage-problems","25":"tag-percentage-questions","26":"tag-percentage-questions-with-answers","27":"tag-percentage-quiz","28":"tag-percentage-revision","29":"tag-percentage-solutions","30":"tag-percentage-study-material","31":"tag-percentage-test","32":"tag-percentage-tips","33":"tag-percentage-top-100-mcqs-with-answer-and-explanation","34":"tag-percentage-tricks","35":"tag-percentage-tutorials"},"_links":{"self":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/12563","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/comments?post=12563"}],"version-history":[{"count":5,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/12563\/revisions"}],"predecessor-version":[{"id":15327,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/12563\/revisions\/15327"}],"wp:attachment":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/media?parent=12563"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/categories?post=12563"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/tags?post=12563"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}