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Quantitative Aptitude questions with answers, page 12

1,784 solved Quantitative Aptitude MCQs from SSC, RRB, banking and police exams. Open any question to try it and read the explanation. Want a timed test instead? Free Quantitative Aptitude practice sets.

  1. PYQWhat is the value of 2/(1×3) + 2/(3×5) + 2/(5×7) + ..... + 2/(99×101)?
  2. PYQA solid metallic sphere of radius 15 cm is melted and recast into a cone having a diameter of the base as 15 cm. What is the height of the cone?
  3. PYQThe marked price of an article is Rs. 9600 and its selling price is Rs. 6336. What is the discount percentage?
  4. PYQRiya sold a laptop for Rs. 35000, earning a profit of 25%. If she wanted to earn a profit of 30%, at what price should she have sold the laptop?
  5. PYQTwo trains, one 390 metres and the other 250 metres long, are running in opposite directions on parallel tracks, at the speed of 78 km/hr and 66…
  6. PYQMohan buys an old mobile for Rs. 4000 and spends Rs. 500 on its repairs. If he sells the mobile for Rs. 5000, then what is his profit percentage?
  7. PYQFind the fourth proportional of 4x, x+4, 3x-1, if x=2.
  8. PYQM1 alone can do a work in 14 days and M2 alone can do the same work in 70 days. With the help of M3, they finish the same work in 7 days. In how…
  9. PYQFind the LCM of 9/4, 21/10, 63/20.
  10. PYQThe average of 28 numbers is 110. If we add a number 'B' to each number, then the average becomes 128. What is the value of B?
  11. PYQJohn deposited 1200 in a bank account. After 4 years, the total amount in the account is 1400. Find the rate of simple interest per annum.
  12. PYQA person borrowed Rs. 15000 on compound interest at the rate of 30 percent per annum. If the interest is compounded half yearly, then what will be…
  13. PYQIn a mixture of 120 litre the ratio of water and milk is 5 : 7 respectively. How much water must be added to make the ratio of water and milk 1 : 1…
  14. PYQWhat will be the compound interest (compounding annually) on a principal sum of Rs. 72000 for 3 years at the rate of 16 percent per annum?
  15. PYQA certain sum of money amounts to Rs. 1060 in 2.5 years and Rs. 1000 in 1 year at simple interest. What is the annual rate of interest?
  16. PYQRs. 17600 is divided among Raja, Ram and Mohan in the ratio of 6 : 7 : 9 respectively. What is the share of Mohan?
  17. PYQ1/4 of the marked price is equal to 2/3 of the selling price. What is the discount percent?
  18. PYQA certain distance is covered at a certain speed. If double this distance is covered in six times the time, then find the ratio of the two speeds.
  19. PYQIn an exam, Naveen got 21 percent marks and he failed by 25 marks. If he gets 46 percent marks, then he fails by 5 marks. What are the maximum marks…
  20. PYQIf P : Q = 6 : 5 and Q : R = 3 : 4, then what is the value of Q : (P + R)?
  21. PYQThe average of 90 results is 38. If 4 is subtracted from each result, then what will be the new average of the results?
  22. PYQWhat is the least value that should be added to 140 to make it exactly divisible by both 5 and 6?
  23. PYQAnil sells a table at a loss of 20 percent. If he sells it for Rs. 160 more, then he earns a profit of 20 percent. What should be the selling price…
  24. PYQA person lent a certain sum of money at the annual rate of 3 percent on simple interest and the interest received in 25 years is Rs. 600 less than…
  25. PYQTwo trains are running in opposite directions with the same speed. If the length of each train is 160 metres and they cross each other in 32…
  26. PYQWhat is that rate of simple interest at which a sum of money becomes three times of itself in 34 years?
  27. PYQA man spends 58% of his income. His income increases by 30% and his expenditure also increases by 25%. Find the percentage increase in his savings.
  28. PYQIn a mixture of 220 litre the ratio of water and milk is 6 : 5 respectively. How much water must be added to make the ratio of water and milk 5 : 4…
  29. PYQThe average of 16.5, 9, 10.5, 12.5 and Y is 12.5. What is the value of Y?
  30. PYQThe initial value of a car is Rs. 150000. The value of the car depreciates by 20 percent of its initial value each year. What will be its value…
  31. PYQAverage age of a group of 20 boys is 25 years. A boy having age 15 years leaves the group. A new boy joins the group and the average increases by 2…
  32. PYQRs. 9900 is divided among X, Y and Z in the ratio of 7 : 12 : 14 respectively. What is the share of Y?
  33. PYQA person bought an article and sold it at a loss of 10 percent. If he had bought it for 30 percent less price and sold it for Rs. 20 more, then he…
  34. PYQThe compound interest (compounding half yearly) received on Rs. 2200 for 1.5 years is Rs. 3836.8. What is the rate of interest per annum?
  35. PYQThe cost of a diamond is directly proportional to the square of its weight. The cost of the diamond is Rs. 87880. It breaks into two pieces whose…
  36. PYQThe difference between simple interest on a certain sum at the annual rate of 11 percent for 8 years and 9 years is Rs. 132. What is the sum?
  37. PYQIn a bag, the ratio of black balls to white balls is 7:4. If there are 44 white balls, find the total number of balls in the bag.
  38. PYQThe average of 17 numbers is 47. If each of the numbers is multiplied by 6, then find the new average.
  39. PYQThe profit earned on selling an article for Rs. 4550 is 5 times the loss incurred on selling the same article for Rs. 3290. What will be the selling…
  40. PYQIf 25 workers can build a wall in 10 days, how many days will it take for 20 workers to build a similar wall?
  41. PYQWhat will be the compound interest (compounding annually) on a sum of Rs. 9000 at the rate of 32 percent per annum for 2 years?
  42. PYQIn a mixture, milk and water are in the ratio of 7 : 9. Some milk is added to the mixture because of which the ratio of milk and water becomes 11…
  43. PYQThere are 120 hens in a poultry. Due to the addition of 140 more hens, the expenses of the poultry increase by Rs. 4050 while the average…
  44. PYQFind the HCF of 27/50, 9/20, 6/25.
  45. PYQA principal is lent at a certain rate of compound interest (compounding annually). The amount at the end of 3 years is Rs. 13310 and at the end of 4…
  46. PYQWhat is the discount percentage offered on a book having marked price Rs. 3800 being sold at Rs. 2128?
  47. PYQThe difference between the cost price and selling price of a watch is Rs. 560. If the profit percentage is 35 percent, then what is the selling price?
  48. PYQIn 25 consecutive natural numbers, the average of the last 13 numbers is 39. What is the average of all 25 numbers?
  49. PYQWhat is the value of 2/(1×3) + 2/(3×5) + 2/(5×7) + ..... + 2/(45×47)?
  50. PYQIf x : y = 3 : 5 and z : w = 2x : 5y, then what is the value of xz : yw?
  51. PYQThe ratio of incomes of Anil and Vikas is 8 : 5. If Vikas gets Rs. 3000 less than Anil, then what is the total income of Anil and Vikas?
  52. PYQThe average marks of 18 students was 190. But later it was found that the score of one student was wrongly entered as 46 instead of 64. What is the…
  53. PYQWhat is that rate of simple interest at which a sum of money becomes three times of itself in 24 years?
  54. PYQAfter working for 8 days, Payal finds that only 10 percent of the work is completed. She employs Pinky who is 50 percent more efficient than Payal…
  55. PYQIf Raman travels at 30 percent of his usual speed, then he will reach 15 minutes late. What is the usual time taken by him?
  56. PYQLast year Neil bought two watches. This year he sold them for Rs. 15,000 each. On one, he made a 25% profit and on the other, he had an x% loss. If…
  57. PYQThe difference between simple interest on a certain sum at the annual rate of 12 percent for (3/2) years and (7/2) years is Rs. 1920. What is the sum?
  58. PYQIf the marked price of an article is Rs. 2500 and the selling price is Rs. 2000, what is the discount percentage?
  59. PYQRs. 17000 is lent at compound interest at an annual rate of 22 percent for 1 year (compounding annually). If the compounding of interest is done…
  60. PYQThe average of five consecutive odd numbers is 21. What is the largest number out of these five numbers?
  61. PYQAnil donates 30 percent of his income to a school and deposits 70 percent of the remainder in his bank. If he has Rs. 9765 now, then what is the…
  62. PYQIf A1 is 19 times more than A2, then A2 is what percentage less than A1?
  63. PYQThe average of 28 observations is 53. The average of the first 11 observations is 54. The average of the last 18 observations is 52.5. What is the…
  64. PYQA principal is lent at a certain rate of compound interest (compounding annually). The amount at the end of 1 year is Rs. 1150 and at the end of 2…
  65. PYQC alone can complete a work in 50 days and D alone can complete the same work in half the time taken by C. In how many days will both together…
  66. PYQA sum becomes Rs. 1320 in 2 years and Rs. 1380 in 3 years at simple interest. What is the annual rate of interest?
  67. PYQThe marked price and selling price of an article are Rs. 2450 and Rs. 1960 respectively. What is the discount percentage?
  68. PYQThe average of 25 numbers is 150. One more number is added and the new average becomes 160. What is that new number?
  69. PYQRs. 7400 is divided among A, B and C in the ratio of 9 : 12 : 16 respectively. What is the share of B?
  70. PYQA merchant marks the price of his article 40 percent above the cost price. He gives some discount on it and earns a profit of 10 percent. What is…
  71. PYQThe height of a cone is 24 cm and the radius of its base is 10.5 cm. What is the volume of the cone?
  72. PYQIf the perimeter of a rhombus is 200 cm and one of its diagonals is 80 cm, then what is the area of the rhombus?
  73. PYQAverage of 50 observations was calculated as 23. Three observations 19, 33 and 66 were wrongly taken as 30, 38 and 69. What will be the correct…
  74. PYQThe ratio of three numbers is 9 : 8 : 7. If the sum of the three numbers is 480, then what is the largest number among the three numbers?
  75. PYQWhat is the average of all the multiples of 13 from 70 to 144?
  76. PYQOn a sum, simple interest at the annual rate of 10 percent for 7 years is Rs. 21630. What will be the compound interest on the same sum at the…
  77. PYQIf the ratio of the ages of A and B is 3:4 and the sum of their ages is 28, then find the age of B.
  78. PYQFind the rate of discount when the marked price is Rs. 2280 and the selling price is Rs. 1482.
  79. PYQWhat is the value of [0.25 × (0.25 ÷ 0.25)] / [(0.25 × 0.25) × 0.25]?
  80. PYQTwo trains are moving in the same direction at the speed of 34 km/hr and 86 km/hr, their lengths are 300 metres and 480 metres respectively. What…
  81. PYQIn an exam, Sandeep got 55 percent less marks than the passing marks. He got 223.2 marks. If the passing percentage is 62 percent, then what are the…
  82. PYQAverage age of a group of 27 boys is 21 years. If a boy leaves the group, then the average age becomes 21.7 years. What is the age of the boy who…
  83. PYQSneha alone can complete a work in 30 days and Anju alone can complete the same work in 45 days. Anju alone worked for the first 15 days and then…
  84. PYQWhat is the value of 143 × 13 ÷ 11 + 156 ÷ 13 × 12 - 210 × 15 ÷ 14?
  85. PYQRs. 20000 is lent at compound interest at an annual rate of 18 percent for 1 year (compounding annually). If the compounding of interest is done…
  86. PYQTwo trains are moving in the same direction at the speed of 40 km/hr and 90 km/hr, their lengths are 275 metres and 350 metres respectively. What…
  87. PYQThe compound interest (compounding half yearly) received on Rs. 24000 for 2 years is Rs. 25766.4. What is the rate of interest per annum?
  88. PYQOn a mobile the profit earned is 250 percent of the cost price. If the cost price increases by 50 percent but the selling price remains the same…
  89. PYQTwo numbers are in the ratio of 8 : 9. If the sum of the two numbers is 102, then what is the difference between the two numbers?
  90. PYQIf P : Q = 5 : 3 and Q : R = 2 : 5, then what is the value of Q : (P + R)?
  91. PYQX alone can complete a work in 20 days and Y alone can complete the same work in 50 days. They start the work together but after 5 days X leaves the…
  92. PYQIf L is 3 times more than M, then M is what percentage less than L?
  93. PYQThe difference between compound interest (compounding annually) and simple interest on a sum of Rs. 10,00,000 for 2 years is Rs. 2401. Find the rate…
  94. PYQD alone can complete half of a work in 100 days. In 47 days, what percentage of the work will be completed by D?
  95. PYQInstead of increasing a number successively by 40 percent and 60 percent, it is decreased by 44 percent. The resultant value is what percentage of…
  96. PYQThe average marks of 17 students was 180. But later it was found that the score of one student was wrongly entered as 72 instead of 27. What is the…
  97. PYQOn selling a watch at 3/10 of the marked price there is a loss of 16 percent. What will be the ratio of the marked price and cost price of the watch?
  98. PYQManav starts from a place A and reaches place B in 29 hours. He travels 2/9 of the distance at the speed of 9 km/hr and the remaining distance at…
  99. PYQThe average of 5 consecutive numbers is 19. Find the largest of these numbers.
  100. PYQBy selling a cup for Rs. 1792 a man earns a profit of 12 percent. If he sells it for Rs. 1472, then what will be the loss percent?