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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 433 · 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 20 kg of sugar a day for 3 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.Marks of 4 friends in a quiz: 81, 72, 68, 95. What is their average mark?
  3. 3.The average weight of 9 children is 39 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 4 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  5. 5.The average of 8 numbers is 33. When one more number is added, the average becomes 39. What number was added?
  6. 6.Marks of 6 friends in a quiz: 98, 94, 104, 105, 75, 64. What is their average mark?
  7. 7.Marks of 5 friends in a quiz: 29, 53, 43, 38, 32. What is their average mark?
  8. 8.Rohan’s batting average after 5 innings is 23 runs. How many runs must Rohan score in the next innings to raise the average to 26?
  9. 9.The average weight of 8 children is 45 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 8 children is 40 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Pooja’s batting average after 6 innings is 22 runs. How many runs must Pooja score in the next innings to raise the average to 24?
  12. 12.Karan’s batting average after 10 innings is 44 runs. How many runs must Karan score in the next innings to raise the average to 45?
  13. 13.The average of 4 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  14. 14.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 9 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  16. 16.The average of 9 numbers is 46. When one more number is added, the average becomes 47. What number was added?
  17. 17.Aditya’s batting average after 13 innings is 31 runs. How many runs must Aditya score in the next innings to raise the average to 34?
  18. 18.Marks of 4 friends in a quiz: 8, 23, 16, 45. What is their average mark?
  19. 19.A shop sells an average of 62 kg of sugar a day for 2 days, and then 58 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  20. 20.A shop sells an average of 56 kg of sugar a day for 5 days, and then 40 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.Marks of 6 friends in a quiz: 42, 28, 30, 31, 43, 66. What is their average mark?
  22. 22.The average weight of 10 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 12 children is 30 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Aarav’s batting average after 9 innings is 44 runs. How many runs must Aarav score in the next innings to raise the average to 46?
  25. 25.The average of 4 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  26. 26.The average weight of 10 children is 31 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 7 children is 45 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 39 kg of sugar a day for 2 days, and then 57 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  29. 29.The average of 5 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  30. 30.Karan’s batting average after 7 innings is 43 runs. How many runs must Karan score in the next innings to raise the average to 46?
  31. 31.The average of 6 numbers is 32. When one more number is added, the average becomes 37. What number was added?
  32. 32.The average weight of 6 children is 36 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Tara’s batting average after 5 innings is 27 runs. How many runs must Tara score in the next innings to raise the average to 29?
  34. 34.Aditya’s batting average after 13 innings is 24 runs. How many runs must Aditya score in the next innings to raise the average to 27?
  35. 35.The average of 8 numbers is 43. When one more number is added, the average becomes 49. What number was added?
  36. 36.A shop sells an average of 57 kg of sugar a day for 3 days, and then 31 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.A shop sells an average of 52 kg of sugar a day for 3 days, and then 20 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.The average weight of 11 children is 37 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average of 9 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  40. 40.Marks of 4 friends in a quiz: 33, 50, 27, 54. What is their average mark?

Answer key

  1. 49
  2. 79
  3. 37
  4. 32
  5. 87
  6. 90
  7. 39
  8. 41
  9. 44
  10. 39
  11. 36
  12. 55
  13. 44
  14. 27
  15. 31
  16. 56
  17. 73
  18. 23
  19. 59
  20. 50
  21. 40
  22. 32
  23. 29
  24. 64
  25. 40
  26. 30
  27. 42
  28. 48
  29. 71
  30. 67
  31. 67
  32. 35
  33. 39
  34. 66
  35. 97
  36. 44
  37. 32
  38. 36
  39. 85
  40. 41

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