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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 514 · 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: 60, 78, 73, 71, 78. What is their average mark?
  2. 2.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)?
  3. 3.Sneha’s batting average after 7 innings is 35 runs. How many runs must Sneha score in the next innings to raise the average to 38?
  4. 4.Marks of 6 friends in a quiz: 72, 54, 64, 57, 46, 55. What is their average mark?
  5. 5.The average of 6 numbers is 55. When one more number is added, the average becomes 57. What number was added?
  6. 6.Meera’s batting average after 10 innings is 25 runs. How many runs must Meera score in the next innings to raise the average to 26?
  7. 7.The average of 8 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  8. 8.A shop sells an average of 30 kg of sugar a day for 5 days, and then 52 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  9. 9.Marks of 4 friends in a quiz: 55, 44, 37, 72. What is their average mark?
  10. 10.The average of 6 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  11. 11.A shop sells an average of 67 kg of sugar a day for 3 days, and then 34 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  12. 12.The average weight of 6 children is 31 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average weight of 5 children is 40 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 9 numbers is 16. When one more number is added, the average becomes 19. What number was added?
  15. 15.Marks of 5 friends in a quiz: 85, 98, 96, 100, 61. What is their average mark?
  16. 16.Marks of 5 friends in a quiz: 23, 28, 39, 15, 20. What is their average mark?
  17. 17.The average weight of 8 children is 41 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 5 friends in a quiz: 65, 91, 89, 83, 62. What is their average mark?
  19. 19.The average of 5 numbers is 48. When one more number is added, the average becomes 52. What number was added?
  20. 20.Marks of 5 friends in a quiz: 88, 77, 95, 79, 96. What is their average mark?
  21. 21.Dev’s batting average after 10 innings is 28 runs. How many runs must Dev score in the next innings to raise the average to 31?
  22. 22.Marks of 6 friends in a quiz: 38, 10, 14, 24, 34, 30. What is their average mark?
  23. 23.Diya’s batting average after 5 innings is 24 runs. How many runs must Diya score in the next innings to raise the average to 29?
  24. 24.The average weight of 6 children is 35 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 4 friends in a quiz: 59, 37, 51, 45. What is their average mark?
  26. 26.The average of 4 numbers is 46. When one more number is added, the average becomes 48. What number was added?
  27. 27.The average of 7 numbers is 49. When one more number is added, the average becomes 52. What number was added?
  28. 28.Marks of 6 friends in a quiz: 28, 9, 13, 26, 10, 52. What is their average mark?
  29. 29.The average of 4 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  30. 30.The average weight of 6 children is 43 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average weight of 11 children is 43 kg. One child, who weighs 73 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A shop sells an average of 69 kg of sugar a day for 6 days, and then 75 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  33. 33.Pooja’s batting average after 5 innings is 35 runs. How many runs must Pooja score in the next innings to raise the average to 36?
  34. 34.A shop sells an average of 43 kg of sugar a day for 3 days, and then 75 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.Marks of 5 friends in a quiz: 49, 64, 53, 35, 49. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 72, 96, 101, 75. What is their average mark?
  37. 37.The average weight of 12 children is 30 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.A shop sells an average of 68 kg of sugar a day for 2 days, and then 60 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  39. 39.Marks of 4 friends in a quiz: 38, 35, 52, 51. What is their average mark?
  40. 40.The average of 9 numbers is 30. When one more number is added, the average becomes 35. What number was added?

Answer key

  1. 72
  2. 25
  3. 59
  4. 58
  5. 69
  6. 36
  7. 61
  8. 42
  9. 52
  10. 67
  11. 45
  12. 30
  13. 38
  14. 46
  15. 88
  16. 25
  17. 39
  18. 78
  19. 72
  20. 87
  21. 61
  22. 25
  23. 54
  24. 33
  25. 48
  26. 56
  27. 73
  28. 23
  29. 36
  30. 41
  31. 40
  32. 71
  33. 41
  34. 63
  35. 50
  36. 86
  37. 27
  38. 62
  39. 44
  40. 80

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