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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 637 · 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 5 friends in a quiz: 31, 29, 32, 49, 69. What is their average mark?
  2. 2.Marks of 5 friends in a quiz: 37, 42, 44, 58, 49. What is their average mark?
  3. 3.The average weight of 6 children is 30 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 5 numbers is 43. When one more number is added, the average becomes 49. What number was added?
  5. 5.A shop sells an average of 77 kg of sugar a day for 3 days, and then 39 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.A shop sells an average of 23 kg of sugar a day for 2 days, and then 47 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  7. 7.Marks of 6 friends in a quiz: 33, 30, 45, 41, 50, 71. What is their average mark?
  8. 8.The average weight of 9 children is 41 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.A shop sells an average of 23 kg of sugar a day for 2 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  10. 10.Marks of 4 friends in a quiz: 75, 55, 59, 83. What is their average mark?
  11. 11.Marks of 6 friends in a quiz: 64, 74, 87, 78, 87, 78. What is their average mark?
  12. 12.Aarav’s batting average after 8 innings is 22 runs. How many runs must Aarav score in the next innings to raise the average to 23?
  13. 13.Ananya’s batting average after 15 innings is 41 runs. How many runs must Ananya score in the next innings to raise the average to 46?
  14. 14.The average of 8 numbers is 25. When one more number is added, the average becomes 28. What number was added?
  15. 15.The average of 8 numbers is 50. When one more number is added, the average becomes 53. What number was added?
  16. 16.Pooja’s batting average after 7 innings is 33 runs. How many runs must Pooja score in the next innings to raise the average to 37?
  17. 17.The average of 8 numbers is 33. When one more number is added, the average becomes 38. What number was added?
  18. 18.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)?
  19. 19.A shop sells an average of 54 kg of sugar a day for 2 days, and then 42 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  20. 20.The average weight of 6 children is 29 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 4 friends in a quiz: 57, 70, 70, 67. What is their average mark?
  22. 22.The average of 8 numbers is 50. When one more number is added, the average becomes 54. What number was added?
  23. 23.A shop sells an average of 45 kg of sugar a day for 5 days, and then 43 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  24. 24.Isha’s batting average after 5 innings is 23 runs. How many runs must Isha score in the next innings to raise the average to 28?
  25. 25.The average of 9 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  26. 26.A shop sells an average of 70 kg of sugar a day for 3 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.Diya’s batting average after 12 innings is 32 runs. How many runs must Diya score in the next innings to raise the average to 35?
  28. 28.The average of 9 numbers is 40. When one more number is added, the average becomes 45. What number was added?
  29. 29.Marks of 4 friends in a quiz: 33, 46, 46, 55. What is their average mark?
  30. 30.The average of 5 numbers is 49. When one more number is added, the average becomes 55. What number was added?
  31. 31.The average of 5 numbers is 51. When one more number is added, the average becomes 52. What number was added?
  32. 32.A shop sells an average of 33 kg of sugar a day for 6 days, and then 53 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  33. 33.Marks of 6 friends in a quiz: 19, 23, 32, 20, 38, 54. What is their average mark?
  34. 34.The average of 4 numbers is 29. When one more number is added, the average becomes 34. What number was added?
  35. 35.Priya’s batting average after 7 innings is 46 runs. How many runs must Priya score in the next innings to raise the average to 50?
  36. 36.Zoya’s batting average after 5 innings is 35 runs. How many runs must Zoya score in the next innings to raise the average to 39?
  37. 37.The average of 6 numbers is 60. When one more number is added, the average becomes 62. What number was added?
  38. 38.Pooja’s batting average after 8 innings is 42 runs. How many runs must Pooja score in the next innings to raise the average to 47?
  39. 39.The average of 6 numbers is 25. When one more number is added, the average becomes 30. What number was added?
  40. 40.The average of 7 numbers is 40. When one more number is added, the average becomes 45. What number was added?

Answer key

  1. 42
  2. 46
  3. 29
  4. 79
  5. 58
  6. 41
  7. 45
  8. 39
  9. 56
  10. 68
  11. 78
  12. 31
  13. 121
  14. 52
  15. 77
  16. 65
  17. 78
  18. 30
  19. 45
  20. 28
  21. 66
  22. 86
  23. 44
  24. 53
  25. 52
  26. 45
  27. 71
  28. 90
  29. 45
  30. 85
  31. 57
  32. 43
  33. 31
  34. 54
  35. 78
  36. 59
  37. 74
  38. 87
  39. 60
  40. 80

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