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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 403 · 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 4 friends in a quiz: 53, 57, 48, 10. What is their average mark?
  2. 2.A shop sells an average of 32 kg of sugar a day for 2 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.Marks of 5 friends in a quiz: 41, 38, 52, 29, 25. What is their average mark?
  4. 4.Marks of 4 friends in a quiz: 19, 16, 37, 20. What is their average mark?
  5. 5.Farhan’s batting average after 13 innings is 35 runs. How many runs must Farhan score in the next innings to raise the average to 40?
  6. 6.The average of 7 numbers is 34. When one more number is added, the average becomes 40. What number was added?
  7. 7.Priya’s batting average after 11 innings is 45 runs. How many runs must Priya score in the next innings to raise the average to 49?
  8. 8.Marks of 4 friends in a quiz: 32, 19, 38, 11. What is their average mark?
  9. 9.Ananya’s batting average after 8 innings is 42 runs. How many runs must Ananya score in the next innings to raise the average to 47?
  10. 10.The average of 7 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  11. 11.The average weight of 11 children is 43 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 6 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  13. 13.Farhan’s batting average after 15 innings is 25 runs. How many runs must Farhan score in the next innings to raise the average to 26?
  14. 14.Marks of 4 friends in a quiz: 48, 65, 57, 34. What is their average mark?
  15. 15.The average of 6 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  16. 16.The average weight of 5 children is 43 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 5 friends in a quiz: 41, 38, 48, 25, 43. What is their average mark?
  18. 18.The average weight of 5 children is 36 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 6 friends in a quiz: 68, 62, 78, 66, 71, 69. What is their average mark?
  20. 20.The average of 5 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  21. 21.The average of 9 numbers is 56. When one more number is added, the average becomes 60. What number was added?
  22. 22.The average weight of 9 children is 31 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 10 children is 32 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Vivaan’s batting average after 7 innings is 40 runs. How many runs must Vivaan score in the next innings to raise the average to 43?
  25. 25.Marks of 5 friends in a quiz: 57, 35, 37, 43, 78. What is their average mark?
  26. 26.A shop sells an average of 68 kg of sugar a day for 5 days, and then 70 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  27. 27.The average of 9 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  28. 28.The average weight of 6 children is 27 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 4 friends in a quiz: 28, 29, 55, 48. What is their average mark?
  30. 30.Marks of 5 friends in a quiz: 74, 72, 81, 72, 96. What is their average mark?
  31. 31.Aditya’s batting average after 9 innings is 39 runs. How many runs must Aditya score in the next innings to raise the average to 44?
  32. 32.The average of 7 numbers is 51. When one more number is added, the average becomes 54. What number was added?
  33. 33.Marks of 5 friends in a quiz: 36, 62, 33, 57, 47. What is their average mark?
  34. 34.A shop sells an average of 41 kg of sugar a day for 4 days, and then 61 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.A shop sells an average of 76 kg of sugar a day for 3 days, and then 61 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  36. 36.Aarav’s batting average after 11 innings is 38 runs. How many runs must Aarav score in the next innings to raise the average to 41?
  37. 37.Marks of 6 friends in a quiz: 69, 72, 75, 76, 86, 72. What is their average mark?
  38. 38.Farhan’s batting average after 12 innings is 23 runs. How many runs must Farhan score in the next innings to raise the average to 24?
  39. 39.Marks of 5 friends in a quiz: 43, 48, 63, 44, 62. What is their average mark?
  40. 40.The average of 8 numbers is 44. When one more number is added, the average becomes 45. What number was added?

Answer key

  1. 42
  2. 34
  3. 37
  4. 23
  5. 105
  6. 82
  7. 93
  8. 25
  9. 87
  10. 57
  11. 42
  12. 59
  13. 41
  14. 51
  15. 44
  16. 40
  17. 39
  18. 34
  19. 69
  20. 50
  21. 96
  22. 30
  23. 31
  24. 64
  25. 50
  26. 69
  27. 95
  28. 26
  29. 40
  30. 79
  31. 89
  32. 75
  33. 47
  34. 51
  35. 66
  36. 74
  37. 75
  38. 36
  39. 52
  40. 53

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