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What’s app:-, , SSC/RAILWAY/DEFENCE/ CT(Arts and Science) /B-ed(Arts &Science)Coaching Classes, contact:7606040639, Our Office:-Near Civil Court Dhenkanal, , Vist website:- https://anilmathclass.teachmint.in, What’s app link :- https://wa.me/message/MI3NFG2HDHBFP1, PERCENTAGE, Type 1 – Fraction x 100 = Percentage, 37.5 % =?, 16 (2/3) % =?, 9 (1/11) % =? 3/8%, 1/6%, 1/11%, Type – 2, 1. 64 is what % of 80, 80%, 2. 1 Hectometer is what % of 1 Kilometer, 10%, 3. 50gm is what percent of 1 kg, 30%, Type-3, 5. If we add 62 to a number, the number is, increased by 20%. Find number?, 310, 𝟐, 6. If 16 𝟑 % of a number is subtracted from a, number, the number becomes 125. Find original, number?, 150, should be increased so that there is no change in, money earned., 42(6/7) %, , 𝟏, , 7. If 37 𝟐 % a number is added to itself, the, number becomes 121. Find the number, 88, Type 4 – No Change (A x B = C), 8. Length of a rectangle is increased by 20%, by, what percent its breadth should be decreased so, that there is no change in its area., 16 (2/3) %, 9. Breadth of a rectangle is decreased by 10%, by what percent its length should be increased, so that there is no change in its area., 11(1/9) %, 10. Price of rice is increased by 25%, by what, percentage consumption should be decreased so, that there is no change in its expenditure, 20%, 11. There is decrease in sale of tickets of cinema, hall by 30%, by what percent price of tickets, 39.5% decrease, 24. The radius of a hemisphere is decreased by, 20%, find percentage change in its volume.

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12. Speed of car is increased by 50%, by what, percent time will decrease if distance remains, constant., 33(1/3) %, Type 5 –Change (A x B = C), 13. Length of a rectangle is increased by 18% and its, breadth is also increased by 12%. Find percentage, increase in its area., A.30%, B.4%, C.32.16%, D.27.84%, 14. Length of a rectangle is increased by 20% and its, breadth is also increased by 10%. Find percentage, change in its area., 32% increase, 15. Length of a rectangle is increased by 20% and its, breadth is decreased by 10%. Find percentage, change in its area., 8% increase, 16. Radius of a circle is increased by 25%, find, percentage increase in its perimeter., A.56.25%, B.50%, C. 25%, D. 30%, 17. Hourly wages of a worker is increased by 20%, and his working hours are decreased by 25% if his, initial salary was ₹2, 800, find his new salary., ₹ 2520, 18. Perimeter of a square is increased by 20%. Find, percentage increase in its side., 20%, 19. Length, breadth and height of a cuboid are, increased by 30%, increased by 20% and decreased, by 15% respectively. Find effect on volume., 22% decrease, 20. If each side of a cube is increased by 10%. Find, percentage change in its volume., 33.1% increase, 21. Radius of a cylinder is increased by 20% and, height is decreased by 50% find percentage change, in its volume., 28% decrease, 22. Radius of a cylinder is increased by 20% and, height is decreased by 50%. Find percentage, change in lateral surface area., 40% decrease, 23. If diameter of a cone is increased by 10% and, height is decreased by 50%. Find percentage, change in its volume., a man can buy 4 eggs less for ₹240. Find reduced, price of an egg., A. 15, B. 16, C. 12, D. 14, Type 9 – Mixture, 35. 90 kg sugar solution contains 20% sugar how, much sugar should be added so that water, , 48.8% decrease, 25. Price of sugar is increased by 10% and its, consumption is decreased by 20%. Find, percentage change in expenditure., -12%, Type-6 (A x B = C) Imp Type, 26. Length of a rectangle is increased by 10%. Find, percentage change in its breadth, so that there is, 20% increase in its area., 𝟏, 9 %, 𝟏𝟏, 27. Price of sugar is increased by 20% by what, percent should a family decrease its consumption, so that expenditure increases by 10% only, 8(1/3) % decrease, 28. If height of a triangle is increased by 40%, then, by what percent should its base be increased so, that its area increases by 60%., 14(2/7) % increase, 29. Price of rice is increased by 32% due to which, family allows its expenditure to increase by 10%, only, if initial consumption was 396 kg. Find their, current consumption., 330 Kg, 30. Price of sugar is decreased by 10% , due to, which expenditure of a family also decreases by, 5%. If increase in consumption of the family is 5, kg , find initial consumption of the family., 90 Kg, Type-7, 31. Price of rice decreases by 20%, if a person can, buy 40 Kg rice before reduction then with same, expenditure how much rice he can buy now., A. 32 kg, B. 45 kg, C. 50 kg, D. 54 kg, 32. Price of an object is increases by 10%. If a man, can buy 154 objects before increase, then find, how many objects he can buy after increase with, same expenditure., A. 140, B. 169, C. 150, D. 170, Type 8 – Increased/ Reduced Price, 33. There is a decrease of 10% in the price of, sugar , which enables a man to buy 3 kg more, sugar for ₹540. Find the original price of sugar, A. 18, B. 20, C. 10, D. 9, 34. Price of eggs is increased by 25% due to which, then decreased by 10%. Find net change in his, salary, A. 1 % Inc B. 10% Inc C. 10% Dec D. 1% Dec, 45. Faran’s salary is first increased by 20% and, then decreased by 10%. Find net change in his, salary, A. 8% Dec B. 8% Inc C. 10% Inc D. 10% Dec

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becomes 60% in the new solution., A. 25, B. 20, C. 30, D. 35, 36. In 60 kg mixture of Copper and Zinc, Zinc is 50%, . How much copper must be removed so that zinc, becomes 60% in the new mixture?, A. 50, B. 10, C. 20, D. 40, 37. In 70 kg mixture of Copper and Zinc, Copper is, 10%. How much copper must be added, so that it, becomes 40% in the new mixture ?, A. 35, B. 105, C. 85, D. 45, 38. Watermelon weighs 20 kg and has 90% water,, after 4 days some water vaporizers and it is now, left with 80% water. How many kg of water, vaporized ?, A. 5, B. 10, C. 15, D. 18, Type 10 – Venn Diagram, 39. In a town 50% persons like tea, 40% like coffee, and 15% like both. Then what percent of persons, like either tea or coffee?, A. 90, B. 70, C. 85, D. 75, 40. 55% persons like tea, 50% like coffee and 45%, like both. Then how many percent persons don't, like either of them., A. 45, B. 10, C. 5, D. 40, 41. 60% students pass in Hindi, 50% students pass, in English and 10% students failed in both. If 100, students pass in both subjects, find total number of, students, A. 1000 B. 500, C. 750, D. 250, 42. 30% people like tea, 25% like coffee and 40%, like Pepsi. 15% like tea and coffee both, 20% like, coffee and Pepsi both, 25% like tea and Pepsi both, and 10% like all three. Find what percent of people, like none of the three., A. 55 B. 45, C. 30, D. 40, Type-11, 43. Price of an object is marked up by 25% and, while selling 25% discount is given to the customer., Find profit or loss percent of shopkeeper., A. 6(1/4)% Profit, B. 6(1/4)% Loss, C., 16(2/3)% Profit, D. 16(2/3)% Loss, 44. Ram’s salary is first increased by 10% and, population is 50400, find population 2 years ago, 50000, 54. A tree was planted two years ago and its height, increases by 20% per year, if its present height is, 540 cm. Then its height two years ago was, 375cm, 55. The cost of a machine decreases by 10%, annually. If present price of a machine is ₹10,000 ,, find its price at the starting of 4th year., , Type-12, 46. A is 50% more than C and B is 20% more than, C then, i. A is what percent of B, ii. B is what percent of A, iii. by what percent A is greater than B, iv. by what percent B is less than A, (i) 125%, (ii) 80%, (iii) 25%, (iv) 20%, 47. A is 50% more than B and B is 20% more than, C then, i. A is what percent of B, ii. B is what percent of A, iii. by what percent A is greater than B, iv. by what percent B is less than A, 𝟐, 𝟏, (i) 150%, (ii)66 𝟑 % (iii) 50% (iv) 33 𝟑 %, 48. Two numbers are 50% more and 20% more, than a third number. Find first number, is what percent of second number., 125%, 49. Two numbers are 20% more and 20% less than, the third number, find by what percent second, number is less than the first number?, 50%, Type 13 – Pass / Fail, 50. A student got 30% marks and failed by 20, marks, another student got 40% marks and got 30, marks more than pass marks. Find pass percent, 34%, 51. A student got 10% marks and failed by 80, marks, another student got 25% marks and failed, by 20 marks. Find pass percent, 30%, 52. A student got 108 marks which is 6% more, than pass percent, another student got 153 marks, which is 21% more than pass percent. Find pass, percent., 30%, Type-14, 53. Population of a town increases by 12% in first, year and decreases by 10% in 2nd year. If present, 64. In an election between two candidates 75%, voters cast their votes, out of which 2% votes got, invalid. A candidate got 9261 votes which is 75%, of valid votes, find total number of voters, enrolled in election?, 16800, 65. In election between two candidates, 20%, voters didn't cast their votes, out of total votes, cast 10% votes got invalid. The winning candidate, got 60% of valid votes, if he won by 28800 votes., Find total number of voters enrolled in election

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A. 6561, B. 7290, 56. Population of a village is 800. During first year, population increases by 20%.If population at the, end of second year is 1056 , find percentage, increase in population during 2nd year., 10%, Type 15, 57. A person spends 15% on house rent, 20% on, education, 10% on medicine, 15% on clothes and, 10% on othe₹If he saves ₹2700, find his total, income., 9000, 58. A person spends 20% on food, 25% of remaining, on rent and 30% of remaining on othe₹ If he saves, ₹29,400 , find his income., 70000, 59. A man has some money he spends its 20% to, buy a toy and 5% of remaining on transport. He, then donates ₹120, if he is now left with ₹1,400., Find money spent on transport, 80, Type 16 – Election, 60. In an election between A and B , A got 60%, votes and won by 14000 votes. Find votes of B, 28000, 61. In an election 8% voters didn't cast their votes,, A got 48% of total votes and won by 1100 votes., Find total number of voters enrolled, 27500, 62. In an election 8% voters didn't cast their votes ,, the winning candidate got 75% of votes cast and, won by 9200 votes. Find total votes cast., 18400, 63. In an election between three candidates, the, candidate getting least votes got 20% votes and, winning candidate got 50% votes, which is 800 volts, more than the candidate getting second highest, votes. Find total votes cast., 4000, ₹ 70, 000, 75. A salesman is given a target of ₹20,000 sale. He, is given 20% commission on total sale and if he is, not able to meet the target, 10% of the difference, between target and his selling is deducted from his, commission. If he gets ₹3400, find total sale., ₹ 18, 000, Type 19 – Expenditure & Savings, 77. A person spends 60% of his income. If his, income increases by 15% and expenditure increases, by 5%, then find percent change on his savings., 30%, , 200000, 66. In an election between two candidates 20%, voters didn't cast their votes, out of which 2000, votes got invalid. The winning candidate got 60%, of valid votes and won by 8,000 votes. Find total, number of voters enrolled in the election., 52500, 67. In an election 10% voters didn't cast their, votes and 60 votes got invalid. If winning, candidate got 47% of total number of voters in, voter list and won by 308 votes. Find total voters, in voter list., 6200, Type 17 – Income Tax, 68. If income tax rate increases from 20 % to 25%., Find percentage change on net income., 69. Income of a person is ₹45000 and net income, is ₹31500. If income tax rate increases by 10%,, find his net income., 70. Income of a person increases by ₹3,00,000 and, income tax rate decreases from 25% to 20%. If in, both the cases income tax are same, find his new, income., 71. Income Tax paid increases by 19%, due to, which net income decreases by 1%. Find initial, rate of income tax., 72. Income Tax paid increases by 27%, due to, which net income decreases by 3%. Find initial, rate of income tax., Type 18 – Commission, 73. A salesman is given 9% commission on total, sale and 1% bonus on the sales over ₹15000. If his, total earnings is₹2350; find his total sale., ₹ 25, 000, 74. A salesman is given 14% commission on total, sale and 6% bonus on the sales over ₹25000. If his, total earnings is₹12500;find his total sale., Type 20 – Miscellaneous, 82. A man gives 20% tax of his income. His salary, increases by 25% and tax rate increases by 40%., Find percentage change in tax given by him., 75%, 83. A student was asked to multiply a number by, 5/4 but instead he divided by 5/4. Find, percentage error in answer., 36%, 84. Numerator of a fraction is 4 less than its, denominator. If numerator is increased by 32%, and denominator is increased by 75%, the fraction, becomes 12/25. Find the original fraction., 7/11

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78. A person spends 70% of his income. If his, income increases by 24% and expenditure increases, by 15%, then find percent change on his savings., 45%, 79. A person spends 70% of his income. If his, income increases by 20% and expenditure percent, increases by 10%, then find percent change on his, savings., No change, 80. Mohan spends 4 times of what he saves, if his, income increases by 20% and expenditure increases, by 30%. Find percentage change in his savings, 20% decrease, 81. The expenditure and savings of Sohib are in the, ratio 3: 1. His income increases by 16% and, expenditure increases by 20%. Find percentage, change in his savings., 4% increase, , 85. Numerator of a fraction is increased by 20%, and denominator is decreased by 5%. If new, fraction is 5/2. Find the original fraction, 95/48, 86. Numerator of a fraction is one less than its, denominator. If its numerator is decreased by 1, and denominator is increased by 1, the fraction, becomes 1/2. Find the original fraction., 5/7, 87. If x% of a, is same as y% of b, then z percent of, b is –, A. (yz% / x) of a, B. (zx% / y) of a, C. (xy% / z) of a, D. (y% / z) of a