← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 498 · 40 questions
TalentJR

The method (Think in totals): Average = total ÷ how many; total = average × how many. A number added or removed: compare the new total with the old total. Two groups together: add the two totals, then divide by everyone.

NameDateTime takenScore ___ / 40
  1. 1.Marks of 5 friends in a quiz: 42, 27, 39, 46, 36. What is their average mark?
  2. 2.Marks of 6 friends in a quiz: 26, 35, 31, 42, 29, 77. What is their average mark?
  3. 3.The average of 9 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  4. 4.Marks of 5 friends in a quiz: 77, 61, 84, 57, 71. What is their average mark?
  5. 5.Marks of 4 friends in a quiz: 73, 74, 58, 87. What is their average mark?
  6. 6.The average of 6 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  7. 7.The average of 5 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  8. 8.Marks of 4 friends in a quiz: 24, 24, 20, 72. What is their average mark?
  9. 9.The average weight of 8 children is 29 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 9 children is 27 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 9 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  12. 12.The average weight of 12 children is 45 kg. One child, who weighs 78 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.A shop sells an average of 67 kg of sugar a day for 5 days, and then 33 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  14. 14.Marks of 4 friends in a quiz: 34, 16, 21, 41. What is their average mark?
  15. 15.Marks of 4 friends in a quiz: 25, 28, 34, 45. What is their average mark?
  16. 16.Ananya’s batting average after 9 innings is 28 runs. How many runs must Ananya score in the next innings to raise the average to 32?
  17. 17.A shop sells an average of 30 kg of sugar a day for 5 days, and then 64 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  18. 18.A shop sells an average of 73 kg of sugar a day for 6 days, and then 33 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  19. 19.A shop sells an average of 26 kg of sugar a day for 2 days, and then 31 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  20. 20.Marks of 4 friends in a quiz: 90, 87, 80, 83. What is their average mark?
  21. 21.Rohan’s batting average after 14 innings is 20 runs. How many runs must Rohan score in the next innings to raise the average to 23?
  22. 22.The average weight of 12 children is 38 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 7 children is 30 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 10 children is 36 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 5 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  26. 26.Marks of 6 friends in a quiz: 64, 42, 53, 64, 48, 59. What is their average mark?
  27. 27.The average of 4 numbers is 36. When one more number is added, the average becomes 39. What number was added?
  28. 28.A shop sells an average of 71 kg of sugar a day for 4 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  29. 29.Marks of 5 friends in a quiz: 25, 32, 39, 46, 58. What is their average mark?
  30. 30.The average weight of 12 children is 43 kg. One child, who weighs 76 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 8 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  32. 32.Marks of 4 friends in a quiz: 37, 56, 43, 52. What is their average mark?
  33. 33.The average weight of 11 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Karan’s batting average after 9 innings is 26 runs. How many runs must Karan score in the next innings to raise the average to 27?
  35. 35.The average of 5 numbers is 42. When one more number is added, the average becomes 46. What number was added?
  36. 36.Marks of 4 friends in a quiz: 13, 17, 34, 32. What is their average mark?
  37. 37.Aarav’s batting average after 8 innings is 29 runs. How many runs must Aarav score in the next innings to raise the average to 33?
  38. 38.Kabir’s batting average after 11 innings is 28 runs. How many runs must Kabir score in the next innings to raise the average to 31?
  39. 39.The average of 6 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  40. 40.A shop sells an average of 75 kg of sugar a day for 2 days, and then 25 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?

Answer key

  1. 38
  2. 40
  3. 99
  4. 70
  5. 73
  6. 55
  7. 27
  8. 35
  9. 28
  10. 25
  11. 57
  12. 42
  13. 50
  14. 28
  15. 33
  16. 68
  17. 47
  18. 63
  19. 29
  20. 85
  21. 65
  22. 36
  23. 29
  24. 34
  25. 41
  26. 55
  27. 51
  28. 59
  29. 40
  30. 40
  31. 25
  32. 47
  33. 35
  34. 36
  35. 66
  36. 24
  37. 65
  38. 64
  39. 40
  40. 50

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude