Percentage Practice Questions

Subject: Quantitative Aptitude

Topic: Percentage

1. .02 =? % (a) 20 (b) 2 (c) .02 1 2. 12 % is equivalent to 2 (a) 0.8 (b) 1.25 (c) 0.125

(d) .2

(d) 12.5

3. 13937.869 ÷ 199.54+15% of 201 = ? (a) 150 (b) 90 (c) 80 (d) 100 4. If 30% of a number is 12.6, then the number is (a) 41 (b) 51 (c) 52 (d) 42 5. 35% of 30 = 25% of ? +1 (a) 28 (b) 38 (c) 42 6. ? % of 6144 = 2 (a) 16 (b) 20

(d) 32

1 x 245.76 2 (c) 5

19. A reduction of 12.5% in the price of a dining table brought down its price to Rs. 4375. The original price of the table was: (a) 6000 (b) 5400 (c) 5200 (d) 5000

(d) 10

7. What is 25% of 25% equal to ? (a) 6.25 (b) .625 (c) .0625 .00625

(d)

8. One fourth of one third of two fifth of a number is 15. What will be 40% of that number? (a) 120 (b) 350 (c) 270 (d) 180 9. What percent of 7.2 kg is 18 gms ? (a) 25% (b) 2.5% (c) .25% .025%

(d)

10. By how much percent is four-fifth of 70 lesser than five-seventh of 112 ? (a) 42% (b) 30% (c) 24% (d ) 36% 11. If 75% of a number is added to 75. The result is the number itself. Then, the number is: (a) 400 (b) 300 (c) 60 (d) 50 12. Subtracting 40% of a number from the number, we get the result as 3.0. The number is: (a) 28 (b) 50 (c) 52 (d) 70 13. If X is 90% of Y, what percent of X is Y? (a) 101.1 (b) 190 (c) 90 (d) 111.1 14. If 8% of x = 4% of y, then 20% of x is: (a) x% of y (b) y% of x (c) 2% of xy (d) xy% of 3 15. x% of y is y% of ? x (a) x (b) (c) 100x 100

(d)

17. If 70% of students in a school are boys and the number of girls is 504, the number of boys is: (a) 1680 (b) 1176 (c) 1276 (d) NOT 18. A house-owner was having his house painted. He was advised that he would require 25 kg of paint. Allowing for 15% wastage and assuming that the paint is available in 2 kg cans, what would be the cost of paint purchased, if one can cost Rs. 16? (a) 240 (b) 180 (c) 160 (d) 360

y 100

16. It is known that 20% of the mangoes are rotten. If the number of rotten mangoes is 35, then the total number of mangoes is : (a) 150 (b) 175 (c) 180 (d) 185

20. In a library, 20% books are in Hindi, 50% of the remaining are in English and the remaining 9000 are in various other languages. What is the total number of books in English? (a) 4000 (b) 3000 (c) 2250 (d) NOT 21. Avinash spends 30% of his income on scooter 1 petrol, of the remaining on house rent and the 4 balance on food. If he spends Rs. 300 on petrol, then what is the expenditure on house rent? (a) 525 (b) 1000 (c) 675 (d) 175 22. The price of jute has been reduced by 20%, If the reduced price is Rs. 800 per quintal, the original price per quintal was (a) 900 (b) 640 (c) 960 (d) 1000 23. Swati spends 40% of her salary on food, 25% on house rent, 15% on entertainment and 5% on conveyance. If her saving at the end of a month Is: (a) 4000 (b) 6000 (c) 8000 (d) 10000 24. Kamal has some apples. He sold 40% more than he ate. If he sold 70 apples, how many did he eat? (a) 50 (b) 90 (c) 18 (d) 42 25. In an examination, 1100 boys and 900 girls appeared. 50% of the boys and 40% of the girls passed the examination. The percentage of candidates failed is: (a) 45 (b) 45.5 (c) 54.5 (d) 59.2

3 th of B’s 5 salary. If B’s salary is Rs. 2400, what is A’s salary? (a) 1880 (b) 1000 (c) 960 (d) 2160

26. 30% of A’s salary is equal to 20% of

27. If x% of a is the same as y% of b, then z% of b is: yz xy % of a % of a (a) (b) x z xz % of a (c) (d) NOT. y 28. In a city, 35% of the population is composed of migrants, 20% of whom are from rural areas. Of the local population, 48% is female while this figure for rural and urban migrants is 30% and 40% respectively. If the total population of the city is 728400, what is its female population? (a) 324138 (b) 349680 (c) 509940 (d) None 29. An increase of Rs. 60 in the monthly salary of Madan made it 50% of the monthly salary of kamal. What is Madan’s present monthly salary? (a) 180 (b) 240 (c) 300 (d) Data inadequate 30. A man bought a house for repairs, pays Rs. 1660 as annual taxes and realized 10% on his investment thereafter. The monthly rent of the house is: (a) 5000 (b) 4920 (c) 2500 (d) 2460 31. The salaries of A and B together amount to Rs. 2000. A spends 95% of his salary and B, 85% of his. If now, their savings are the same, what is A’s salary? (a) 1500 (b) 1250 (c) 750 (d) 1600 32. 300 grams of sugar solution has 40% sugar in it. How much sugar should be added to make it 50% in the solution? (a) 10 gms (b) 40 gms (c) 60 gms (d) 80 gms 33. To a sugar solution of 3 liters containing 40% sugar, one liter of water is added. The percentage of sugar in the new solution is: 1 (a) 13 % (b) 15% (c) 30% (d) 3 33% 34. The income of a broker remains unchanged though the rate of commission is increased from 4% to 5%. The percentage of slump is business is : (a )1% (b) 8% (c) 20% (d) 80%

35. A candidate scoring 25% marks in an examination fails by 30 marks while another candidate who scores 502% marks gets 20 marks more than those required to pass. The pass percentage is: (a) 25% (b) 35% (c) 40% (d) 50% 36. A bag contains 600 coins of 25p denomination and 1200 coins of 50p denomination. If 12% of 25p coins and 24% of 50p coins are removed, the percentage of money removed from the bag is nearly: (a) 30% (b) 21.6% (c) 17.8% (d) 15.6% 37. If the numerator of a fraction be increased by 15% and its denomination be diminished by 8%, 15 the value of the fraction is . The original 16 fraction is 3 3 3 2 (a) (b) (c) (d) 5 4 7 3 38. IN an examination, 35% of total students failed in Hindi, 45% failed in English and 20% I both. There percentage of those who passed in both the subjects is : (a) 10 (b) 20 (c) 30 (d) 40 39. There are 600 boys in a hostel. Each plays either hockey or football or both. If 5% play hockey and 45% play football, how many play both? (a) 48 (b) 60 (c) 80 (d) 120 40. In an examination, 80% of the students passed in English, 85% in Mathematics and 75% in both English and Mathematics. If 40 students failed in both the subjects, the total number of students is : (a) 200 (b) 400 (c) 600 (d) 800 41. The boys and girls in college are in the ratio 3:2. If 20% of the boys and 25%^ of the girls are adults. The percentage of students who are not adults is: (a) 58% (b) 67.5% (c) 78% (d) 82.5% 42. In an election between two candidates, a candidate who gets 40% of total votes id defeated by 15000 votes. The number of votes polled by the winning candidate is: (a) 6000 (b) 10000 (c) 22500 (d ) 45000 43. In an election between two candidates, one got 55% of total valid votes 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got was:

(a) 2700 3100

(b) 2900

(c) 3000

(d)

44. At an election involving two candidates, 68 votes were declared invalid. The winning candidates scores 52% and wins by 98 votes. The total number of votes polled is: (a) 2518 (b) 2450 (c) 2382 (d) None 45. A’s income is 25% more than B’s income . B’s income in terms of A’s income is : (a) 75% (b) 80% (c) 90% (d) 96% 46. Anil’s height is 20% less than Deepak’s. How much is Deepak’s height more than Anil. 2 (a) 16 % (b) 18% (c) 20% 3 (d)25% 47. On increasing the price of T.V. sets by 30%, their sale decreased by 20%. What is the effect on the revenue receipts of the shop? (a) 4% increase (b) 4% decrease (c) 8% increase (d ) 8% decrease 48. The price of oil is increased by 25%. If the expenditure is not allowed to increase, the ratio between the reduction in consumption and the original consumption is: (a ) 1:3 (b) 1:4 (c) 1:5 (d) 1:6 49. The price of sugar is increased by 20%. As a result, a family decreased its consumption by 25%. The expenditure of the family on sugar will be decreased by: (a) 10% (b) 5% (c) 14% (d) 15% 50. If the price of sugar rises from Rs. 6 per kg to Rs. 7.50 kg, a person, to have no increase in his expenditure on sugar, will have to reduce his consumption of sugar by: (a) 15% (b) 20% (c) 25% (d) 30% 51. The population of a town increases by 15% annually. If its pollution was 8000 in 1995, what will it be in 1997? (a) 9200 (b) 10400 (c) 9600 (d) 10580 52. A ball pen factory decided to reduce its production by 10% over that of previous month for next 3 months starting from February 1994. In January 1994, it produced 3000 ball pens., How many ball pens were produced in March 1994 ? (a) 2700 (b) 2430 (c) 2187 (d) 2400

53. The length of a rectangle is increased by 20% and the width is decreased by 20%. The area decreased by: (a) 0.8% (b) 1.2% (c) 4% (d) 8% 54. If the radius of a circle is decreased by 50%, its area is reduced by: (a) 25% (b) 50% (c) 75% (d) None 55. A cricket team won 40% of the total number of matches it played during a year. If it list 50% of the matches played and 20 matches were drawn, the total number of matches played y the team during the year was : (a) 200 (b) 100 (c) 50 (d) 40 56. Arun gave a portion of the money he had to Gopal. Gopal I turn gave 40% of what he got form Arun to Dinesh. How much money did Dinesh get ? To find out the answer, which of the following information given in statements, (P) and (Q) is /are sufficient ? P: Arun had Rs. 4000 with him. Q: The difference between the amounts of Gopal and Dinesh was Rs. 500. (a)Only Q is sufficient.. (b) Only P is sufficient. (c) Either P or Q is sufficient. (d) Both P and Q together are needed. 57. The price of an article was increased by p%. Later the new price was decreased by p%. If the latest price was Rs. 1, the original price was 1− p2   (a) Re. 1 (b) Rs.   100   1− p2  10000    (c) Rs.  (d) 2   100 10000 − p   

   

58. The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by : (a) 42% (b) 62% (c) 82% (d) None. 59. Salaries of A, B an C are in the ratio 1:2:3. Salary of B and C together is Rs. 6000. By what percent is salary of C more than that of A? (a) 300 (b) 600 (c) 100 (d) 200 60. The population of a town is 18000. It increased by 10% during first year and by 20% during the second year. The population after 2 years will be: (a) 19800 (b) 21600 (c) 23760 (d) None

61. Arvind spends 75% of his income. His income is increased by 20% and he increased his expenditure by 10%. His savings are increased by: (a) 10% (b) 25% (c) 37.5% (d) 50% 62. In an examination, 35% candidates failed in one subject and 42% failed in another subject while 15% failed in both the subjects. If 2500 candidates appeared at the examination, how many passed in either subject but not in both? (a) 325 (b) 1175 (c) 2125 (d) NOT 63. In an examination, A got 10% marks less than B, B got 25% marks more than C and C got 20% less than D. If A got 3602 marks out of 500, the percentage of marks obtained by D was (a) 70 (b) 75 (c) 80 (d) 85 64. Raman’s salary was decreased by 50% and subsequently increased by 50%. He has a loss of (a) 0% (b) 25% (c)0.25% (d)2.5% 65. The price of sugar is increased by 20%. AS a result, a family decrease its consumption by 25%. The expenditure of the family o sugar will be decreased by : (a) 10% (b) 5% (c) 14% (d) 15%