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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 270 · 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 weight of 12 children is 41 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 4 friends in a quiz: 42, 65, 55, 42. What is their average mark?
  3. 3.A shop sells an average of 32 kg of sugar a day for 4 days, and then 46 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  4. 4.The average weight of 9 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Saanvi’s batting average after 9 innings is 30 runs. How many runs must Saanvi score in the next innings to raise the average to 35?
  6. 6.The average of 9 numbers is 46. When one more number is added, the average becomes 48. What number was added?
  7. 7.Meera’s batting average after 7 innings is 49 runs. How many runs must Meera score in the next innings to raise the average to 50?
  8. 8.The average of 7 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  9. 9.Dev’s batting average after 14 innings is 39 runs. How many runs must Dev score in the next innings to raise the average to 42?
  10. 10.Marks of 5 friends in a quiz: 26, 23, 43, 33, 65. What is their average mark?
  11. 11.The average of 7 numbers is 48. When one more number is added, the average becomes 49. What number was added?
  12. 12.The average weight of 10 children is 43 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Karan’s batting average after 13 innings is 27 runs. How many runs must Karan score in the next innings to raise the average to 30?
  14. 14.A shop sells an average of 43 kg of sugar a day for 6 days, and then 79 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  15. 15.Pooja’s batting average after 9 innings is 41 runs. How many runs must Pooja score in the next innings to raise the average to 43?
  16. 16.The average of 7 numbers is 39. When one more number is added, the average becomes 42. What number was added?
  17. 17.The average of 5 numbers is 47. When one more number is added, the average becomes 53. What number was added?
  18. 18.The average of 9 numbers is 54. When one more number is added, the average becomes 60. What number was added?
  19. 19.A shop sells an average of 26 kg of sugar a day for 3 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  20. 20.The average of 4 numbers is 33. When one more number is added, the average becomes 39. What number was added?
  21. 21.The average weight of 10 children is 35 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 5 friends in a quiz: 34, 30, 55, 30, 56. What is their average mark?
  23. 23.Kavya’s batting average after 15 innings is 49 runs. How many runs must Kavya score in the next innings to raise the average to 51?
  24. 24.Marks of 4 friends in a quiz: 67, 65, 74, 82. What is their average mark?
  25. 25.The average weight of 10 children is 42 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 5 friends in a quiz: 63, 37, 41, 47, 52. What is their average mark?
  27. 27.The average of 8 numbers is 57. When one more number is added, the average becomes 60. What number was added?
  28. 28.Arjun’s batting average after 8 innings is 35 runs. How many runs must Arjun score in the next innings to raise the average to 38?
  29. 29.Saanvi’s batting average after 15 innings is 30 runs. How many runs must Saanvi score in the next innings to raise the average to 34?
  30. 30.Vivaan’s batting average after 11 innings is 28 runs. How many runs must Vivaan score in the next innings to raise the average to 29?
  31. 31.The average of 4 numbers is 52. When one more number is added, the average becomes 57. What number was added?
  32. 32.Farhan’s batting average after 14 innings is 43 runs. How many runs must Farhan score in the next innings to raise the average to 46?
  33. 33.A shop sells an average of 32 kg of sugar a day for 3 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  34. 34.The average of 7 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  35. 35.The average of 4 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  36. 36.The average of 6 numbers is 26. When one more number is added, the average becomes 31. What number was added?
  37. 37.Marks of 6 friends in a quiz: 62, 40, 43, 43, 46, 72. What is their average mark?
  38. 38.A shop sells an average of 41 kg of sugar a day for 4 days, and then 48 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  39. 39.Kavya’s batting average after 15 innings is 25 runs. How many runs must Kavya score in the next innings to raise the average to 26?
  40. 40.Marks of 6 friends in a quiz: 73, 87, 83, 93, 90, 72. What is their average mark?

Answer key

  1. 38
  2. 51
  3. 38
  4. 28
  5. 80
  6. 66
  7. 57
  8. 51
  9. 84
  10. 38
  11. 56
  12. 42
  13. 69
  14. 61
  15. 61
  16. 63
  17. 83
  18. 114
  19. 24
  20. 63
  21. 33
  22. 41
  23. 81
  24. 72
  25. 39
  26. 48
  27. 84
  28. 62
  29. 94
  30. 40
  31. 77
  32. 88
  33. 36
  34. 57
  35. 67
  36. 61
  37. 51
  38. 44
  39. 41
  40. 83

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