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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 626 · 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 2 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  2. 2.Aditya’s batting average after 9 innings is 29 runs. How many runs must Aditya score in the next innings to raise the average to 34?
  3. 3.The average of 5 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  4. 4.Rahul’s batting average after 9 innings is 49 runs. How many runs must Rahul score in the next innings to raise the average to 53?
  5. 5.Marks of 6 friends in a quiz: 36, 40, 40, 65, 66, 59. What is their average mark?
  6. 6.The average weight of 8 children is 31 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 68 kg of sugar a day for 5 days, and then 22 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  8. 8.Aarav’s batting average after 7 innings is 47 runs. How many runs must Aarav score in the next innings to raise the average to 51?
  9. 9.Meera’s batting average after 6 innings is 21 runs. How many runs must Meera score in the next innings to raise the average to 26?
  10. 10.The average weight of 6 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 8 numbers is 45. When one more number is added, the average becomes 49. What number was added?
  12. 12.The average of 5 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  13. 13.The average of 7 numbers is 17. When one more number is added, the average becomes 21. What number was added?
  14. 14.A shop sells an average of 78 kg of sugar a day for 3 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  15. 15.The average of 7 numbers is 56. When one more number is added, the average becomes 59. What number was added?
  16. 16.The average of 9 numbers is 29. When one more number is added, the average becomes 34. What number was added?
  17. 17.The average of 8 numbers is 59. When one more number is added, the average becomes 65. What number was added?
  18. 18.Rohan’s batting average after 15 innings is 40 runs. How many runs must Rohan score in the next innings to raise the average to 45?
  19. 19.The average weight of 6 children is 31 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 9 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  21. 21.A shop sells an average of 23 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)?
  22. 22.The average of 8 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  23. 23.A shop sells an average of 72 kg of sugar a day for 3 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  24. 24.A shop sells an average of 71 kg of sugar a day for 3 days, and then 63 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.The average of 4 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  26. 26.The average weight of 5 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average of 5 numbers is 18. When one more number is added, the average becomes 22. What number was added?
  28. 28.Marks of 5 friends in a quiz: 55, 28, 45, 33, 39. What is their average mark?
  29. 29.Marks of 6 friends in a quiz: 68, 82, 65, 83, 71, 63. What is their average mark?
  30. 30.The average of 6 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  31. 31.The average of 8 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  32. 32.The average of 6 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  33. 33.Marks of 6 friends in a quiz: 45, 43, 26, 45, 18, 21. What is their average mark?
  34. 34.Marks of 5 friends in a quiz: 19, 10, 21, 27, 23. What is their average mark?
  35. 35.Ananya’s batting average after 7 innings is 39 runs. How many runs must Ananya score in the next innings to raise the average to 40?
  36. 36.Ananya’s batting average after 13 innings is 25 runs. How many runs must Ananya score in the next innings to raise the average to 27?
  37. 37.Marks of 4 friends in a quiz: 40, 61, 41, 58. What is their average mark?
  38. 38.Manav’s batting average after 7 innings is 33 runs. How many runs must Manav score in the next innings to raise the average to 38?
  39. 39.Aditya’s batting average after 6 innings is 42 runs. How many runs must Aditya score in the next innings to raise the average to 44?
  40. 40.Diya’s batting average after 6 innings is 30 runs. How many runs must Diya score in the next innings to raise the average to 35?

Answer key

  1. 63
  2. 79
  3. 53
  4. 89
  5. 51
  6. 30
  7. 45
  8. 79
  9. 56
  10. 31
  11. 81
  12. 45
  13. 49
  14. 72
  15. 80
  16. 79
  17. 113
  18. 120
  19. 28
  20. 48
  21. 25
  22. 51
  23. 52
  24. 66
  25. 43
  26. 33
  27. 42
  28. 40
  29. 72
  30. 51
  31. 42
  32. 34
  33. 33
  34. 20
  35. 47
  36. 53
  37. 50
  38. 73
  39. 56
  40. 65

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