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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 607 · 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: 29, 42, 44, 37. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 17, 30, 11, 30. What is their average mark?
  3. 3.A shop sells an average of 25 kg of sugar a day for 4 days, and then 53 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  4. 4.The average weight of 8 children is 45 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Sneha’s batting average after 15 innings is 29 runs. How many runs must Sneha score in the next innings to raise the average to 31?
  6. 6.Marks of 4 friends in a quiz: 19, 21, 37, 31. What is their average mark?
  7. 7.The average of 8 numbers is 38. When one more number is added, the average becomes 42. What number was added?
  8. 8.Marks of 4 friends in a quiz: 38, 52, 38, 20. What is their average mark?
  9. 9.The average of 5 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  10. 10.Meera’s batting average after 14 innings is 30 runs. How many runs must Meera score in the next innings to raise the average to 35?
  11. 11.The average of 9 numbers is 58. When one more number is added, the average becomes 61. What number was added?
  12. 12.The average of 9 numbers is 34. When one more number is added, the average becomes 39. What number was added?
  13. 13.Sneha’s batting average after 8 innings is 26 runs. How many runs must Sneha score in the next innings to raise the average to 28?
  14. 14.The average of 8 numbers is 20. When one more number is added, the average becomes 22. What number was added?
  15. 15.Aditya’s batting average after 6 innings is 27 runs. How many runs must Aditya score in the next innings to raise the average to 28?
  16. 16.Marks of 4 friends in a quiz: 43, 50, 57, 46. What is their average mark?
  17. 17.The average of 8 numbers is 55. When one more number is added, the average becomes 56. What number was added?
  18. 18.A shop sells an average of 61 kg of sugar a day for 5 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  19. 19.Marks of 4 friends in a quiz: 70, 81, 62, 51. What is their average mark?
  20. 20.A shop sells an average of 20 kg of sugar a day for 2 days, and then 55 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  21. 21.The average of 8 numbers is 29. When one more number is added, the average becomes 31. What number was added?
  22. 22.A shop sells an average of 38 kg of sugar a day for 6 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  23. 23.The average weight of 9 children is 40 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 5 friends in a quiz: 60, 69, 60, 44, 42. What is their average mark?
  25. 25.The average of 7 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  26. 26.A shop sells an average of 51 kg of sugar a day for 5 days, and then 69 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  27. 27.Pooja’s batting average after 14 innings is 22 runs. How many runs must Pooja score in the next innings to raise the average to 27?
  28. 28.A shop sells an average of 68 kg of sugar a day for 4 days, and then 75 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 6 friends in a quiz: 41, 45, 29, 39, 27, 47. What is their average mark?
  30. 30.Meera’s batting average after 5 innings is 23 runs. How many runs must Meera score in the next innings to raise the average to 27?
  31. 31.Marks of 5 friends in a quiz: 86, 71, 76, 79, 98. What is their average mark?
  32. 32.A shop sells an average of 39 kg of sugar a day for 4 days, and then 78 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.The average weight of 9 children is 33 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average weight of 5 children is 47 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 6 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  36. 36.The average weight of 9 children is 29 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 6 friends in a quiz: 38, 59, 50, 67, 50, 48. What is their average mark?
  38. 38.The average weight of 6 children is 37 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 6 friends in a quiz: 37, 29, 45, 30, 33, 60. What is their average mark?
  40. 40.The average weight of 9 children is 46 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 38
  2. 22
  3. 39
  4. 43
  5. 61
  6. 27
  7. 74
  8. 37
  9. 58
  10. 105
  11. 88
  12. 84
  13. 44
  14. 38
  15. 34
  16. 49
  17. 64
  18. 51
  19. 66
  20. 41
  21. 47
  22. 34
  23. 37
  24. 55
  25. 32
  26. 60
  27. 97
  28. 71
  29. 38
  30. 47
  31. 82
  32. 52
  33. 30
  34. 45
  35. 65
  36. 27
  37. 52
  38. 36
  39. 39
  40. 44

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