← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 624 · 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: 90, 86, 91, 96, 84, 39. What is their average mark?
  2. 2.The average of 6 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  3. 3.The average of 7 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  4. 4.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 5 friends in a quiz: 41, 18, 43, 30, 13. What is their average mark?
  6. 6.The average of 6 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  7. 7.A shop sells an average of 33 kg of sugar a day for 6 days, and then 24 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  8. 8.The average of 6 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  9. 9.Rahul’s batting average after 14 innings is 37 runs. How many runs must Rahul score in the next innings to raise the average to 39?
  10. 10.Marks of 6 friends in a quiz: 32, 40, 34, 29, 53, 40. What is their average mark?
  11. 11.The average weight of 5 children is 36 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 4 friends in a quiz: 54, 58, 66, 30. What is their average mark?
  13. 13.The average of 5 numbers is 43. When one more number is added, the average becomes 49. What number was added?
  14. 14.Marks of 6 friends in a quiz: 54, 24, 25, 49, 39, 43. What is their average mark?
  15. 15.Aditya’s batting average after 14 innings is 23 runs. How many runs must Aditya score in the next innings to raise the average to 28?
  16. 16.Arjun’s batting average after 10 innings is 43 runs. How many runs must Arjun score in the next innings to raise the average to 45?
  17. 17.The average weight of 5 children is 32 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 56 kg of sugar a day for 5 days, and then 66 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  19. 19.The average of 5 numbers is 45. When one more number is added, the average becomes 51. What number was added?
  20. 20.The average of 7 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  21. 21.The average weight of 11 children is 42 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.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 32?
  23. 23.Marks of 5 friends in a quiz: 15, 32, 37, 28, 8. What is their average mark?
  24. 24.A shop sells an average of 56 kg of sugar a day for 2 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  25. 25.Marks of 5 friends in a quiz: 23, 34, 45, 28, 55. What is their average mark?
  26. 26.The average of 5 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  27. 27.The average weight of 12 children is 48 kg. One child, who weighs 81 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 9 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  29. 29.A shop sells an average of 57 kg of sugar a day for 3 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.Tara’s batting average after 14 innings is 23 runs. How many runs must Tara score in the next innings to raise the average to 28?
  31. 31.The average of 4 numbers is 22. When one more number is added, the average becomes 28. What number was added?
  32. 32.Marks of 4 friends in a quiz: 19, 33, 21, 27. What is their average mark?
  33. 33.Marks of 6 friends in a quiz: 35, 36, 26, 26, 37, 44. What is their average mark?
  34. 34.The average weight of 9 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Aditya’s batting average after 7 innings is 29 runs. How many runs must Aditya score in the next innings to raise the average to 31?
  36. 36.The average weight of 6 children is 32 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 4 friends in a quiz: 33, 41, 25, 49. What is their average mark?
  38. 38.Arjun’s batting average after 11 innings is 28 runs. How many runs must Arjun score in the next innings to raise the average to 33?
  39. 39.The average weight of 6 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 9 children is 28 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 81
  2. 65
  3. 55
  4. 38
  5. 29
  6. 74
  7. 30
  8. 38
  9. 67
  10. 38
  11. 35
  12. 52
  13. 79
  14. 39
  15. 98
  16. 65
  17. 30
  18. 61
  19. 81
  20. 55
  21. 41
  22. 62
  23. 24
  24. 47
  25. 37
  26. 39
  27. 45
  28. 83
  29. 39
  30. 98
  31. 52
  32. 25
  33. 34
  34. 41
  35. 45
  36. 31
  37. 37
  38. 88
  39. 43
  40. 25

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