Trilochan Puhan percentage class notes for SSC and Bank Exam
1. When a number is increased by 24, it becomes 115% of itself. What is the number?
2. If 420 is added in a number, then the number becomes 137.5% of itself, then the original number is:
3. If 16.67% of a number is subtracted from itself then the resultant number becomes 650. Find the original number?
4. If 60% of a number is 120 more than 20% of the number, then 28% of that number is less than 33.33% of the number by:
5. If decreasing 120 by x % gives the same result as increasing 40 by x % , then x % of 210 is what percent less than ( x +20)% of 180.
6. If 15% of (A + B)=25%(A − B), then what percent of B is equal to A ?
7. 10% of A’s income = 15% of B’s income =20% of C’s income. If sum of their income is Rs. 7800, then B’s income is:
8. If 60% A = 30% of B, B = 40% of C and C = x % of A, then the value of x is:
9. 5% of a = b then b % of 20 is same as :(A) 20% of a/2 (B) 50% of a / 2 (C) 50% of a / 20 (D) 20% of a / 20
10. A student multiplied a number by 3 / 5 instead of 5 / 3 . What is the percentage error in the calculation?
11. Two numbers are 30% and 37% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?
12. A candidate who gets 20% marks in an examination fails by 30 marks but another candidate who gets 32% gets 42 marks more than the pass marks. The pass mark is:
13. In a test a student get 30% marks and failed by 25 marks. In the same test another student got 40% marks and secured 25% marks more than the essential minimum pass marks. The pass marks for the test were:
14. Two students appeared for an examination. One of them secured 22 marks more than the other and his marks were 55% of the sum of their marks. The marks obtained by them are:
15. Two numbers 8.33% and 12.5% less than the third number respectively. Find the first number is what percentage more than the second number.
16. The numerator of a fraction is increased by 20% and the denominator is decreased by 5%, the value of the new fraction becomes 52 . The original fraction is:
17. If A’s income is 40% less than that of B, how much percent B’s income is more than that of A?
18. The price of an article is cut by 36%, to restore to its original value, the new price must be increased by:
19. If the length of a rectangle is increased by 37.5%, by how much percent breadth should reduce to keep area constant.
20. Price of sugar is increased by 8%. By how much kilogram of consumption is decreased so that the expenditure of month will be same, if usual consumption is 18 kg.
21. A man’s annual income has increased by 1.2 lakhs but the tax on the income that he has to pay has reduced from 12% to 10%. He now pays the same amount of tax as before. What is his increased income (in lakhs)?
22. A reduction of 20% in the rate of sugar enables sudhir to get 6 kg more sugar for Rs. 960. What is the reduced rate of sugar per kg?
23. A reduction of 20% in the price of a pen enabled a trader to purchase 5 more pens for Rs. 320. What is the original price of the pen?
24. A reduction of Rs. 30 per kg enables a man to purchase 2 kg more rice for Rs. 720. Find the original price of rice per kg?
25. The price of edible oil is increased by 14.28 % and consumption is decreased by 12.5%. What will be the effect in the expenditure?
26. The price of oil increased by 20%. However its consumption decreased by 8.33 %. What is the percentage increase or decrease in the expenditure in it?
27. When the price of an item was reduced by 20%, its sales increased by x %. If there is an increase of 25% in the receipt of the revenue, then the values of x is:
28. Price of Nandan Kanan Zoo is Rs. 18. When the price of ticket is reduced, then the visitors is increased by 80% and the total revenue is increased by 20%. Find the cost price of the tickets after reduction.
29. The reduction of 30% in the rate of sugar, a family uses 12.5 kg more. Therefore the expenditure decreased by 5% only. Original consumption of family is:
30. If the radius of the cylinder is increased by 25%, then how much percent the height must be reduced, so that the volume of the cylinder remains same?
31. The length of cuboid is increased by 12% and its breadth is increased by 25%. By how much percent its height is decreased so that the volume of the cuboid increased only by 4%?
32. A labour works for 60 hours a week and gets Rs. 2400 as wages. If his 1 hour wages are increased by 40% and his working hours are reduced by 16.67%, then how much will his wages (in Rs.) increase or decrease?
33. If the income tax is increased by 19%, the net income is reduced by 1%. The rate of income tax is:
34. Ramesh saves 26.66% of his monthly salary. When his expenses are increased by 20%, he is able to save Rs. 4080 per month. This monthly salary is:
35. A person saves 25% of his income. His income increased by 20% and his saving remains the same, then what will be the increased percentage of his expenditure?
36. Radha saves x % of her income. If her expenditure increases by 20% and her income increases by 28%, then her savings increases by 40%. What is the value of x?
37. A spend 65% of his income. If her expenditure increases by 25% and His income increases by 20.1%, then her savings increases by x %. What is the value of x?
38. The expenses on rice, fish and oil of a family are in the ratio 12 : 17 : 3. The price of these articles are increased by 20%, 30% and 50% respectively. The total expenses of family on these articles are increased by:
39. A scored 72% in a paper with maximum marks of 900 and 80% in another paper with a maximum marks of 700. If the result is based on the combined percentage of two papers, the combined percentage is:
40. In an examination there were 640 boys and 360 girls, 60% of the boys and 80% of the girls were successful. The percentage of failure was:
Trilochan Puhan percentage class notes for SSC and Bank Exam
41. A student scored 32% marks in science subjects out of 225. How much should he score in language paper out of 150 if he is to get overall 46% marks?
Trilochan Puhan percentage class notes for SSC and Bank Exam
42. The population of a village was 9600. If the males and females populations are increased by 8% and 5%, the population will become 10,272 after one year. Find the number of males at present.
Trilochan Puhan percentage class notes for SSC and Bank Exam
43. The present population of a village (males and females) is 7640. If the number of males is increased by 25% and the number of females is increased by 15%, then the population will become 9214. The difference between the present population of males and females in the village is:
Trilochan Puhan percentage class notes for SSC and Bank Exam
44. A salesman is allowed 15% commission on the total sales made by him plus a bonus of 2% on sales over Rs. 8000. On a particular day total sale was Rs. 12,000, then find the commission paid to salesperson on that day.
Trilochan Puhan percentage class notes for SSC and Bank Exam
45. A sales man is allowed 5.5% commission on the total sales made by him plus a bonus of 0.5%. On sales over Rs. 10,000 if his total earning were Rs. 1990, his total sales (in Rs.) was:
Trilochan Puhan percentage class notes for SSC and Bank Exam
46. A company allowed 8% commission on the total sales made by him and a bonus of 3% on the sales over 15,000. If the salesman deposited Rs. 55,630 in the company after deducting his earning from the total sales made by him, find the total sales.
Trilochan Puhan percentage class notes for SSC and Bank Exam
47. A vessel contains 35 l of mixture of acid and water in which percentage of acid is 24. How much water should be subtracted from it so that percentage of the acid becomes 56%.
Trilochan Puhan percentage class notes for SSC and Bank Exam
48. A solution contains 15% of salt, from which 30 kg of water is removed. The quantity of salt remains 20% in that solution. Find the initial quantity of solution.
Trilochan Puhan percentage class notes for SSC and Bank Exam
49. Fresh fruit contains 68% of water and dry fruit contains 20% of water. How much dry fruit can be obtained from 100 kg of fresh fruits?
Trilochan Puhan percentage class notes for SSC and Bank Exam
50. Fresh fruit contains 85% of water while dry fruit contains 20% of water. How much quantity of dry fruit can be obtained out of 64 kg of fresh fruit?
Trilochan Puhan percentage class notes for SSC and Bank Exam
51. 45% of males and 25% of females of adult population of a city are married. Assuming that no man married to more than one woman and no women married to more than one man. What is the percentage of married adults of total population?
Trilochan Puhan percentage class notes for SSC and Bank Exam
52. 90% of students in school passed in English, 85% passed in Mathematics and 150 students passed in both the subject. If no students failed in both subjects, find the total number of students.
Trilochan Puhan percentage class notes for SSC and Bank Exam
53. In an examination 73% of the candidates passed in Quantitative aptitude test, 70% passed in General awareness and 64% passed in both. If 6300 failed in both subject, the total number of examinees were:
Trilochan Puhan percentage class notes for SSC and Bank Exam
54. In an examination, 34% failed in mathematics and 42% failed in English. If 20% failed in both the subjects, the percentage of students who passed in both subject was:
Trilochan Puhan percentage class notes for SSC and Bank Exam
55. In an examination, 50% of the students passed in Odia, 55% passed in English and 40% passed in Hindi. If 15% of the students passed in Odia and English, 20% passed in English and Hindi, 25% passed in Odia and Hindi and 10% passed in three subjects. If 40 students failed in all the three subjects, then find the number of students?
Trilochan Puhan percentage class notes for SSC and Bank Exam
56. In a survey of rural India, it was found that 22% do not use Facebook, Twitter or Whatsapp. 4% use all the three. There are 9% who use Facebook and Twitter, 11% who use twitter and whatsapp and 13% who use facebook and whatsapp. If 36% use facebook and 31% use twitter, then find the percentage of people who use whatsapp?
Trilochan Puhan percentage class notes for SSC and Bank Exam
57. In an election there were only two candidates. One of the candidates secured 32% of votes and is defeated by 144 votes. How many votes did the winner get?
Trilochan Puhan percentage class notes for SSC and Bank Exam
58. In an election only two candidates contested. 20% of the voters did not vote and 120 voters were declared as invalid. The winner got 200 votes more than his opponents thus he secured 41% votes of the total voters on the voting list. The total number of voters enrolled in that election was:
Trilochan Puhan percentage class notes for SSC and Bank Exam
59. In an election 10% voters did not vote and 12.5% votes declare invalid and the winner got 71 3/7 % of valid votes and win by 54,000 votes, then the number of voters in the voting list.
Trilochan Puhan percentage class notes for SSC and Bank Exam
60. Bina invested 10% of her monthly income in stocks. She spent 15% of remaining on groceries and gave the remaining 30,600 to her husband. What is the difference between the amount spent on groceries and the investment in stocks.
Trilochan Puhan percentage class notes for SSC and Bank Exam
61. In a constituency, 55% of the total number of voters are males and the rest are females. If 40% of the males are illiterate and 40% of the females are literate, then by what percentage is the number of illiterate females more than that of the illiterate males (correct to one decimal place)?
Trilochan Puhan percentage class notes for SSC and Bank Exam
62. A certain number of students from school X appeared in an examination and 30% students failed. 150% more students than those from schools, appeared in the same examination from school Y. If 80% of the total number of students who appeared from X and Y passed then what is the percentage of students who failed from Y?
Trilochan Puhan percentage class notes for SSC and Bank Exam
63. Three persons, A, B and C donate 10%, 7% and 9% respectively of their monthly salaries to the charitable trust. Monthly salaries of A and B are equal and the difference between the donation of A and B is Rs. 900. If the total donation by A and B is Rs. 600 more than that of C, then what is the monthly salary (in Rs.) of C?
Trilochan Puhan percentage class notes for SSC and Bank Exam
| 1. 160 | 2. 1120 | 3. 780 | 4. 16 |
| 5. 16.66% | 6. 400% | 7. 2400 | 8. 500% |
| 9. d | 10. 64% | 11. 11.11% | 12. 150 |
| 13. 400 | 14. 121 & 99 | 15. 100/21% | 16. 95/48 |
| 17. 66.66% | 18. 56.25% | 19. 27.27% | 20. 1.33 kg |
| 21. 7.2 lakhs | 22. Rs. 32 | 23. Rs. 16 | 24. Rs. 120 / kg |
| 25. No Change | 26. 10% increase | 27. 56.25 | 28. Rs. 12 |
| 29. | 30. 36% | 31. 25.71% | 32. Rs. 400 |
| 33. 5% | 34. 26.66% | 35. 11% | 36. 40% |
| 37. Rs. 34,000 | 38. 28.125 | 39. 75.5% | 40. 32.8% |
| 41. 67% | 42. 6400 | 43. 920 | 44. Rs. 1880 |
| 45. Rs. 34,000 | 46. Rs. 62,000 | 47. 20 litre | 48. 120 litre |
| 49. 40 kg | 50. 12 kg | 51. 32.14% | 52. 200 |
| 53. 3000 | 54. 44% | 55. 800 | 56. 40% |
| 57. 400 | 58. 4000 | 59. 16,000 | 60. 1400 |
| 61. 22.7% | 62. 16% | 63. 50000 |
Ratio, Proportion and Partnership Class Notes
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