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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 235 · 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.A shop sells an average of 59 kg of sugar a day for 6 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  2. 2.The average of 4 numbers is 59. When one more number is added, the average becomes 60. What number was added?
  3. 3.A shop sells an average of 29 kg of sugar a day for 5 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  4. 4.A shop sells an average of 52 kg of sugar a day for 4 days, and then 34 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  5. 5.Marks of 4 friends in a quiz: 14, 29, 30, 15. What is their average mark?
  6. 6.Kabir’s batting average after 10 innings is 24 runs. How many runs must Kabir score in the next innings to raise the average to 26?
  7. 7.A shop sells an average of 68 kg of sugar a day for 5 days, and then 50 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  8. 8.A shop sells an average of 69 kg of sugar a day for 2 days, and then 41 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  9. 9.The average of 4 numbers is 35. When one more number is added, the average becomes 41. What number was added?
  10. 10.Marks of 5 friends in a quiz: 81, 82, 96, 88, 73. What is their average mark?
  11. 11.Marks of 6 friends in a quiz: 41, 45, 67, 56, 60, 49. What is their average mark?
  12. 12.The average of 5 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  13. 13.The average weight of 7 children is 39 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.A shop sells an average of 36 kg of sugar a day for 6 days, and then 63 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  15. 15.The average of 9 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  16. 16.Marks of 5 friends in a quiz: 52, 26, 38, 28, 46. What is their average mark?
  17. 17.Kavya’s batting average after 9 innings is 31 runs. How many runs must Kavya score in the next innings to raise the average to 35?
  18. 18.A shop sells an average of 21 kg of sugar a day for 2 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  19. 19.A shop sells an average of 25 kg of sugar a day for 6 days, and then 33 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  20. 20.The average of 9 numbers is 48. When one more number is added, the average becomes 54. What number was added?
  21. 21.The average of 6 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  22. 22.Marks of 6 friends in a quiz: 57, 63, 65, 76, 79, 80. What is their average mark?
  23. 23.Rahul’s batting average after 9 innings is 42 runs. How many runs must Rahul score in the next innings to raise the average to 45?
  24. 24.Marks of 5 friends in a quiz: 38, 54, 47, 53, 58. What is their average mark?
  25. 25.Rahul’s batting average after 8 innings is 50 runs. How many runs must Rahul score in the next innings to raise the average to 53?
  26. 26.Marks of 4 friends in a quiz: 22, 9, 23, 26. What is their average mark?
  27. 27.The average of 6 numbers is 54. When one more number is added, the average becomes 57. What number was added?
  28. 28.The average weight of 12 children is 34 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average of 4 numbers is 51. When one more number is added, the average becomes 56. What number was added?
  30. 30.The average of 6 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  31. 31.The average weight of 7 children is 40 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A shop sells an average of 70 kg of sugar a day for 4 days, and then 73 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.Pooja’s batting average after 7 innings is 32 runs. How many runs must Pooja score in the next innings to raise the average to 33?
  34. 34.A shop sells an average of 52 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)?
  35. 35.A shop sells an average of 53 kg of sugar a day for 5 days, and then 75 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  36. 36.A shop sells an average of 69 kg of sugar a day for 3 days, and then 23 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.Marks of 5 friends in a quiz: 62, 74, 57, 56, 86. What is their average mark?
  38. 38.The average of 4 numbers is 29. When one more number is added, the average becomes 34. What number was added?
  39. 39.The average of 9 numbers is 33. When one more number is added, the average becomes 37. What number was added?
  40. 40.Marks of 4 friends in a quiz: 28, 37, 25, 70. What is their average mark?

Answer key

  1. 41
  2. 64
  3. 26
  4. 42
  5. 22
  6. 46
  7. 59
  8. 49
  9. 65
  10. 84
  11. 53
  12. 84
  13. 36
  14. 45
  15. 99
  16. 38
  17. 71
  18. 50
  19. 27
  20. 108
  21. 55
  22. 70
  23. 72
  24. 50
  25. 77
  26. 20
  27. 75
  28. 33
  29. 76
  30. 49
  31. 37
  32. 71
  33. 40
  34. 49
  35. 65
  36. 46
  37. 67
  38. 54
  39. 73
  40. 40

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