← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 731 · 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 5 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 6 numbers is 59. When one more number is added, the average becomes 61. What number was added?
  3. 3.A shop sells an average of 31 kg of sugar a day for 3 days, and then 51 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.Marks of 4 friends in a quiz: 25, 16, 12, 47. What is their average mark?
  5. 5.The average of 9 numbers is 31. When one more number is added, the average becomes 37. What number was added?
  6. 6.The average of 8 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  7. 7.Sneha’s batting average after 13 innings is 21 runs. How many runs must Sneha score in the next innings to raise the average to 23?
  8. 8.The average of 9 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  9. 9.Dev’s batting average after 13 innings is 23 runs. How many runs must Dev score in the next innings to raise the average to 28?
  10. 10.Marks of 5 friends in a quiz: 58, 75, 62, 60, 55. What is their average mark?
  11. 11.The average of 5 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  12. 12.Meera’s batting average after 13 innings is 20 runs. How many runs must Meera score in the next innings to raise the average to 21?
  13. 13.Kabir’s batting average after 10 innings is 46 runs. How many runs must Kabir score in the next innings to raise the average to 50?
  14. 14.Marks of 5 friends in a quiz: 35, 21, 43, 36, 10. What is their average mark?
  15. 15.The average of 4 numbers is 41. When one more number is added, the average becomes 47. What number was added?
  16. 16.Marks of 5 friends in a quiz: 28, 30, 48, 42, 62. What is their average mark?
  17. 17.The average of 8 numbers is 34. When one more number is added, the average becomes 35. What number was added?
  18. 18.A shop sells an average of 58 kg of sugar a day for 4 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  19. 19.The average of 8 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  20. 20.The average of 7 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  21. 21.A shop sells an average of 73 kg of sugar a day for 2 days, and then 33 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  22. 22.Marks of 5 friends in a quiz: 73, 89, 93, 76, 59. What is their average mark?
  23. 23.A shop sells an average of 29 kg of sugar a day for 4 days, and then 65 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  24. 24.Priya’s batting average after 12 innings is 24 runs. How many runs must Priya score in the next innings to raise the average to 28?
  25. 25.Marks of 6 friends in a quiz: 30, 24, 14, 39, 15, 46. What is their average mark?
  26. 26.The average of 7 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  27. 27.Farhan’s batting average after 11 innings is 42 runs. How many runs must Farhan score in the next innings to raise the average to 45?
  28. 28.Marks of 4 friends in a quiz: 61, 78, 79, 54. What is their average mark?
  29. 29.Marks of 4 friends in a quiz: 92, 93, 84, 87. What is their average mark?
  30. 30.Marks of 4 friends in a quiz: 39, 26, 17, 26. What is their average mark?
  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.Marks of 4 friends in a quiz: 58, 56, 41, 33. What is their average mark?
  33. 33.Marks of 5 friends in a quiz: 68, 80, 60, 77, 75. What is their average mark?
  34. 34.The average of 5 numbers is 50. When one more number is added, the average becomes 54. What number was added?
  35. 35.The average of 5 numbers is 52. When one more number is added, the average becomes 56. What number was added?
  36. 36.The average weight of 8 children is 33 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 6 friends in a quiz: 82, 88, 88, 72, 90, 60. What is their average mark?
  38. 38.A shop sells an average of 34 kg of sugar a day for 2 days, and then 46 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  39. 39.A shop sells an average of 74 kg of sugar a day for 3 days, and then 58 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.A shop sells an average of 50 kg of sugar a day for 6 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 35
  2. 73
  3. 41
  4. 25
  5. 91
  6. 24
  7. 49
  8. 46
  9. 93
  10. 62
  11. 45
  12. 34
  13. 90
  14. 29
  15. 71
  16. 42
  17. 43
  18. 61
  19. 62
  20. 26
  21. 43
  22. 78
  23. 49
  24. 76
  25. 28
  26. 86
  27. 78
  28. 68
  29. 89
  30. 27
  31. 40
  32. 47
  33. 72
  34. 74
  35. 76
  36. 32
  37. 80
  38. 43
  39. 66
  40. 44

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude