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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 560 · 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 4 friends in a quiz: 45, 49, 59, 75. What is their average mark?
  2. 2.Marks of 6 friends in a quiz: 41, 45, 49, 38, 55, 18. What is their average mark?
  3. 3.Karan’s batting average after 15 innings is 44 runs. How many runs must Karan score in the next innings to raise the average to 45?
  4. 4.The average of 8 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  5. 5.The average of 4 numbers is 57. When one more number is added, the average becomes 58. What number was added?
  6. 6.The average weight of 5 children is 36 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Marks of 6 friends in a quiz: 44, 42, 41, 48, 54, 35. What is their average mark?
  8. 8.The average weight of 6 children is 41 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 6 friends in a quiz: 65, 54, 60, 72, 45, 52. What is their average mark?
  10. 10.Marks of 6 friends in a quiz: 49, 46, 51, 58, 47, 91. What is their average mark?
  11. 11.Zoya’s batting average after 7 innings is 40 runs. How many runs must Zoya score in the next innings to raise the average to 45?
  12. 12.The average of 6 numbers is 15. When one more number is added, the average becomes 21. What number was added?
  13. 13.Manav’s batting average after 7 innings is 28 runs. How many runs must Manav score in the next innings to raise the average to 32?
  14. 14.Marks of 4 friends in a quiz: 50, 38, 40, 80. What is their average mark?
  15. 15.Marks of 6 friends in a quiz: 24, 27, 45, 39, 46, 47. What is their average mark?
  16. 16.The average of 8 numbers is 51. When one more number is added, the average becomes 55. What number was added?
  17. 17.Marks of 5 friends in a quiz: 42, 62, 59, 69, 38. What is their average mark?
  18. 18.A shop sells an average of 62 kg of sugar a day for 2 days, and then 26 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  19. 19.The average of 7 numbers is 28. When one more number is added, the average becomes 31. What number was added?
  20. 20.Marks of 4 friends in a quiz: 47, 50, 26, 29. What is their average mark?
  21. 21.Marks of 5 friends in a quiz: 100, 92, 80, 103, 70. What is their average mark?
  22. 22.A shop sells an average of 48 kg of sugar a day for 2 days, and then 30 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  23. 23.The average of 8 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  24. 24.A shop sells an average of 26 kg of sugar a day for 6 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  25. 25.The average of 9 numbers is 22. When one more number is added, the average becomes 28. What number was added?
  26. 26.The average of 5 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  27. 27.Rahul’s batting average after 11 innings is 27 runs. How many runs must Rahul score in the next innings to raise the average to 28?
  28. 28.Marks of 6 friends in a quiz: 56, 52, 38, 54, 42, 70. What is their average mark?
  29. 29.A shop sells an average of 77 kg of sugar a day for 4 days, and then 43 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  30. 30.A shop sells an average of 25 kg of sugar a day for 4 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  31. 31.Marks of 4 friends in a quiz: 60, 58, 43, 39. What is their average mark?
  32. 32.Manav’s batting average after 5 innings is 44 runs. How many runs must Manav score in the next innings to raise the average to 46?
  33. 33.Marks of 4 friends in a quiz: 27, 16, 35, 38. What is their average mark?
  34. 34.The average weight of 9 children is 40 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 24 kg of sugar a day for 5 days, and then 66 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  36. 36.The average of 4 numbers is 19. When one more number is added, the average becomes 24. What number was added?
  37. 37.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)?
  38. 38.Vivaan’s batting average after 15 innings is 38 runs. How many runs must Vivaan score in the next innings to raise the average to 40?
  39. 39.A shop sells an average of 55 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)?
  40. 40.Meera’s batting average after 10 innings is 24 runs. How many runs must Meera score in the next innings to raise the average to 28?

Answer key

  1. 57
  2. 41
  3. 60
  4. 73
  5. 62
  6. 34
  7. 44
  8. 40
  9. 58
  10. 57
  11. 80
  12. 57
  13. 60
  14. 52
  15. 38
  16. 87
  17. 54
  18. 38
  19. 52
  20. 38
  21. 89
  22. 36
  23. 79
  24. 28
  25. 82
  26. 84
  27. 39
  28. 52
  29. 60
  30. 36
  31. 50
  32. 56
  33. 29
  34. 37
  35. 36
  36. 44
  37. 29
  38. 70
  39. 39
  40. 68

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