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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 183 · 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: 81, 79, 79, 85, 77, 79. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 72, 82, 70, 60. What is their average mark?
  3. 3.The average weight of 6 children is 39 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average weight of 5 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.A shop sells an average of 64 kg of sugar a day for 3 days, and then 22 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.Aditya’s batting average after 14 innings is 27 runs. How many runs must Aditya score in the next innings to raise the average to 32?
  7. 7.A shop sells an average of 77 kg of sugar a day for 2 days, and then 25 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.Ishaan’s batting average after 6 innings is 39 runs. How many runs must Ishaan score in the next innings to raise the average to 41?
  9. 9.Aditya’s batting average after 8 innings is 37 runs. How many runs must Aditya score in the next innings to raise the average to 42?
  10. 10.Marks of 5 friends in a quiz: 65, 81, 61, 56, 72. What is their average mark?
  11. 11.Marks of 5 friends in a quiz: 59, 76, 77, 86, 67. What is their average mark?
  12. 12.The average of 5 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  13. 13.The average of 7 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  14. 14.Marks of 4 friends in a quiz: 39, 21, 34, 34. What is their average mark?
  15. 15.A shop sells an average of 57 kg of sugar a day for 6 days, and then 72 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  16. 16.Marks of 6 friends in a quiz: 73, 82, 61, 66, 76, 80. What is their average mark?
  17. 17.The average of 6 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  18. 18.The average weight of 9 children is 36 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 7 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  20. 20.The average weight of 8 children is 35 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average of 9 numbers is 55. When one more number is added, the average becomes 57. What number was added?
  22. 22.Marks of 4 friends in a quiz: 75, 91, 64, 74. What is their average mark?
  23. 23.Ananya’s batting average after 13 innings is 33 runs. How many runs must Ananya score in the next innings to raise the average to 34?
  24. 24.A shop sells an average of 28 kg of sugar a day for 4 days, and then 43 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.A shop sells an average of 35 kg of sugar a day for 3 days, and then 75 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  26. 26.The average of 4 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  27. 27.A shop sells an average of 48 kg of sugar a day for 2 days, and then 64 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  28. 28.The average of 4 numbers is 19. When one more number is added, the average becomes 24. What number was added?
  29. 29.A shop sells an average of 36 kg of sugar a day for 6 days, and then 76 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  30. 30.A shop sells an average of 39 kg of sugar a day for 3 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  31. 31.Marks of 6 friends in a quiz: 24, 46, 50, 38, 48, 16. What is their average mark?
  32. 32.The average of 6 numbers is 37. When one more number is added, the average becomes 40. What number was added?
  33. 33.A shop sells an average of 59 kg of sugar a day for 5 days, and then 41 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  34. 34.Arjun’s batting average after 14 innings is 25 runs. How many runs must Arjun score in the next innings to raise the average to 28?
  35. 35.The average of 6 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  36. 36.The average of 5 numbers is 42. When one more number is added, the average becomes 46. What number was added?
  37. 37.The average of 4 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  38. 38.Marks of 5 friends in a quiz: 29, 14, 20, 40, 37. What is their average mark?
  39. 39.The average of 5 numbers is 40. When one more number is added, the average becomes 43. What number was added?
  40. 40.The average of 5 numbers is 41. When one more number is added, the average becomes 43. What number was added?

Answer key

  1. 80
  2. 71
  3. 38
  4. 30
  5. 43
  6. 102
  7. 38
  8. 53
  9. 82
  10. 67
  11. 73
  12. 38
  13. 89
  14. 32
  15. 63
  16. 73
  17. 53
  18. 33
  19. 44
  20. 32
  21. 75
  22. 76
  23. 47
  24. 33
  25. 55
  26. 40
  27. 60
  28. 44
  29. 56
  30. 51
  31. 37
  32. 58
  33. 50
  34. 70
  35. 88
  36. 66
  37. 25
  38. 28
  39. 58
  40. 53

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