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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 189 · 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 6 friends in a quiz: 93, 78, 105, 92, 79, 93. What is their average mark?
  2. 2.Farhan’s batting average after 13 innings is 46 runs. How many runs must Farhan score in the next innings to raise the average to 51?
  3. 3.The average of 8 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  4. 4.A shop sells an average of 62 kg of sugar a day for 6 days, and then 27 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  5. 5.The average weight of 7 children is 39 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 6 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  7. 7.The average of 9 numbers is 16. When one more number is added, the average becomes 19. What number was added?
  8. 8.Meera’s batting average after 10 innings is 30 runs. How many runs must Meera score in the next innings to raise the average to 34?
  9. 9.A shop sells an average of 33 kg of sugar a day for 5 days, and then 25 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  10. 10.Marks of 4 friends in a quiz: 29, 41, 43, 27. What is their average mark?
  11. 11.The average weight of 10 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 6 friends in a quiz: 42, 29, 22, 16, 25, 52. What is their average mark?
  13. 13.The average of 6 numbers is 29. When one more number is added, the average becomes 31. What number was added?
  14. 14.A shop sells an average of 61 kg of sugar a day for 4 days, and then 70 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.Zoya’s batting average after 9 innings is 39 runs. How many runs must Zoya score in the next innings to raise the average to 40?
  16. 16.The average weight of 9 children is 47 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average of 6 numbers is 53. When one more number is added, the average becomes 59. What number was added?
  18. 18.The average of 9 numbers is 20. When one more number is added, the average becomes 25. What number was added?
  19. 19.Marks of 6 friends in a quiz: 24, 19, 17, 19, 40, 49. What is their average mark?
  20. 20.The average of 7 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  21. 21.Rohan’s batting average after 7 innings is 47 runs. How many runs must Rohan score in the next innings to raise the average to 50?
  22. 22.The average weight of 12 children is 42 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 5 friends in a quiz: 56, 58, 61, 72, 68. What is their average mark?
  24. 24.Marks of 6 friends in a quiz: 48, 41, 38, 49, 63, 55. What is their average mark?
  25. 25.The average of 9 numbers is 57. When one more number is added, the average becomes 61. What number was added?
  26. 26.Marks of 6 friends in a quiz: 37, 36, 26, 46, 37, 52. What is their average mark?
  27. 27.A shop sells an average of 39 kg of sugar a day for 2 days, and then 75 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  28. 28.Marks of 5 friends in a quiz: 35, 38, 30, 55, 57. What is their average mark?
  29. 29.A shop sells an average of 72 kg of sugar a day for 2 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  30. 30.A shop sells an average of 24 kg of sugar a day for 2 days, and then 63 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  31. 31.Isha’s batting average after 7 innings is 22 runs. How many runs must Isha score in the next innings to raise the average to 24?
  32. 32.The average weight of 12 children is 32 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 5 numbers is 51. When one more number is added, the average becomes 54. What number was added?
  34. 34.The average weight of 6 children is 42 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 4 numbers is 32. When one more number is added, the average becomes 36. What number was added?
  36. 36.The average of 4 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  37. 37.Kavya’s batting average after 14 innings is 44 runs. How many runs must Kavya score in the next innings to raise the average to 45?
  38. 38.The average of 9 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  39. 39.The average weight of 7 children is 29 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.A shop sells an average of 61 kg of sugar a day for 3 days, and then 59 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 90
  2. 116
  3. 72
  4. 48
  5. 38
  6. 68
  7. 46
  8. 74
  9. 30
  10. 35
  11. 27
  12. 31
  13. 43
  14. 64
  15. 49
  16. 45
  17. 95
  18. 70
  19. 28
  20. 56
  21. 71
  22. 39
  23. 63
  24. 49
  25. 97
  26. 39
  27. 66
  28. 43
  29. 51
  30. 50
  31. 38
  32. 29
  33. 69
  34. 39
  35. 52
  36. 20
  37. 59
  38. 30
  39. 27
  40. 60

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