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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 140 · 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.Ananya’s batting average after 8 innings is 31 runs. How many runs must Ananya score in the next innings to raise the average to 34?
  2. 2.The average of 7 numbers is 50. When one more number is added, the average becomes 56. What number was added?
  3. 3.The average of 6 numbers is 18. When one more number is added, the average becomes 22. What number was added?
  4. 4.Marks of 5 friends in a quiz: 77, 61, 74, 80, 33. What is their average mark?
  5. 5.The average weight of 9 children is 32 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Karan’s batting average after 11 innings is 27 runs. How many runs must Karan score in the next innings to raise the average to 28?
  7. 7.The average of 4 numbers is 47. When one more number is added, the average becomes 49. What number was added?
  8. 8.The average of 7 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  9. 9.The average of 7 numbers is 42. When one more number is added, the average becomes 46. What number was added?
  10. 10.Marks of 6 friends in a quiz: 68, 59, 79, 54, 67, 69. What is their average mark?
  11. 11.Sneha’s batting average after 8 innings is 32 runs. How many runs must Sneha score in the next innings to raise the average to 33?
  12. 12.The average of 9 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  13. 13.The average weight of 5 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average weight of 5 children is 38 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 6 friends in a quiz: 93, 75, 81, 71, 85, 93. What is their average mark?
  16. 16.Marks of 4 friends in a quiz: 22, 23, 26, 57. What is their average mark?
  17. 17.Kabir’s batting average after 5 innings is 41 runs. How many runs must Kabir score in the next innings to raise the average to 46?
  18. 18.The average of 6 numbers is 21. When one more number is added, the average becomes 27. What number was added?
  19. 19.A shop sells an average of 61 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)?
  20. 20.Pooja’s batting average after 14 innings is 23 runs. How many runs must Pooja score in the next innings to raise the average to 24?
  21. 21.The average of 8 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  22. 22.Ananya’s batting average after 8 innings is 43 runs. How many runs must Ananya score in the next innings to raise the average to 44?
  23. 23.Marks of 4 friends in a quiz: 25, 45, 17, 33. What is their average mark?
  24. 24.The average of 6 numbers is 42. When one more number is added, the average becomes 48. What number was added?
  25. 25.The average of 4 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  26. 26.The average of 6 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  27. 27.Marks of 4 friends in a quiz: 58, 47, 46, 61. What is their average mark?
  28. 28.A shop sells an average of 70 kg of sugar a day for 2 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  29. 29.Aarav’s batting average after 8 innings is 41 runs. How many runs must Aarav score in the next innings to raise the average to 42?
  30. 30.The average weight of 12 children is 26 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 4 friends in a quiz: 43, 20, 21, 36. What is their average mark?
  32. 32.The average of 5 numbers is 22. When one more number is added, the average becomes 27. What number was added?
  33. 33.The average of 5 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  34. 34.The average weight of 9 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 72 kg of sugar a day for 5 days, and then 56 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  36. 36.A shop sells an average of 68 kg of sugar a day for 5 days, and then 70 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  37. 37.Marks of 5 friends in a quiz: 28, 42, 22, 51, 42. What is their average mark?
  38. 38.The average of 9 numbers is 29. When one more number is added, the average becomes 30. What number was added?
  39. 39.A shop sells an average of 30 kg of sugar a day for 6 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  40. 40.The average weight of 8 children is 34 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 58
  2. 98
  3. 46
  4. 65
  5. 29
  6. 39
  7. 57
  8. 71
  9. 74
  10. 66
  11. 41
  12. 70
  13. 28
  14. 36
  15. 83
  16. 32
  17. 71
  18. 63
  19. 46
  20. 38
  21. 57
  22. 52
  23. 30
  24. 84
  25. 56
  26. 69
  27. 53
  28. 51
  29. 50
  30. 25
  31. 30
  32. 52
  33. 48
  34. 26
  35. 64
  36. 69
  37. 37
  38. 39
  39. 27
  40. 31

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