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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 388 · 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.The average of 6 numbers is 48. When one more number is added, the average becomes 53. What number was added?
  2. 2.Marks of 6 friends in a quiz: 70, 84, 79, 89, 87, 59. What is their average mark?
  3. 3.A shop sells an average of 64 kg of sugar a day for 2 days, and then 78 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  4. 4.Meera’s batting average after 7 innings is 27 runs. How many runs must Meera score in the next innings to raise the average to 31?
  5. 5.The average weight of 12 children is 33 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 5 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  7. 7.The average of 4 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  8. 8.Marks of 5 friends in a quiz: 45, 35, 50, 40, 40. What is their average mark?
  9. 9.The average weight of 8 children is 35 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 7 numbers is 47. When one more number is added, the average becomes 53. What number was added?
  11. 11.Marks of 6 friends in a quiz: 47, 51, 42, 40, 34, 26. What is their average mark?
  12. 12.The average of 6 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  13. 13.The average of 4 numbers is 52. When one more number is added, the average becomes 58. What number was added?
  14. 14.A shop sells an average of 37 kg of sugar a day for 6 days, and then 26 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  15. 15.The average of 9 numbers is 42. When one more number is added, the average becomes 44. What number was added?
  16. 16.The average of 9 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  17. 17.Sneha’s batting average after 13 innings is 24 runs. How many runs must Sneha score in the next innings to raise the average to 29?
  18. 18.The average weight of 7 children is 28 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average weight of 12 children is 46 kg. One child, who weighs 79 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 5 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  21. 21.Marks of 6 friends in a quiz: 37, 14, 28, 16, 34, 27. What is their average mark?
  22. 22.Marks of 4 friends in a quiz: 18, 27, 18, 49. What is their average mark?
  23. 23.Priya’s batting average after 10 innings is 42 runs. How many runs must Priya score in the next innings to raise the average to 44?
  24. 24.The average of 9 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  25. 25.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)?
  26. 26.The average weight of 11 children is 42 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 5 friends in a quiz: 51, 27, 33, 32, 52. What is their average mark?
  28. 28.The average weight of 12 children is 27 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average of 8 numbers is 55. When one more number is added, the average becomes 57. What number was added?
  30. 30.A shop sells an average of 21 kg of sugar a day for 2 days, and then 46 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  31. 31.The average of 4 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  32. 32.The average weight of 8 children is 26 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 6 numbers is 56. When one more number is added, the average becomes 58. What number was added?
  34. 34.The average of 7 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  35. 35.A shop sells an average of 43 kg of sugar a day for 4 days, and then 58 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  36. 36.Marks of 5 friends in a quiz: 85, 86, 92, 84, 58. What is their average mark?
  37. 37.Saanvi’s batting average after 11 innings is 43 runs. How many runs must Saanvi score in the next innings to raise the average to 44?
  38. 38.The average of 5 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  39. 39.Meera’s batting average after 11 innings is 29 runs. How many runs must Meera score in the next innings to raise the average to 31?
  40. 40.Marks of 6 friends in a quiz: 37, 32, 24, 26, 19, 42. What is their average mark?

Answer key

  1. 83
  2. 78
  3. 71
  4. 59
  5. 30
  6. 73
  7. 23
  8. 42
  9. 34
  10. 95
  11. 40
  12. 67
  13. 82
  14. 32
  15. 62
  16. 52
  17. 94
  18. 25
  19. 43
  20. 28
  21. 26
  22. 28
  23. 64
  24. 72
  25. 27
  26. 40
  27. 39
  28. 26
  29. 73
  30. 36
  31. 47
  32. 25
  33. 70
  34. 71
  35. 52
  36. 81
  37. 55
  38. 28
  39. 53
  40. 30

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