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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 47 · 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.Farhan’s batting average after 6 innings is 37 runs. How many runs must Farhan score in the next innings to raise the average to 42?
  2. 2.A shop sells an average of 65 kg of sugar a day for 5 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  3. 3.A shop sells an average of 37 kg of sugar a day for 2 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  4. 4.Marks of 5 friends in a quiz: 83, 76, 76, 67, 93. What is their average mark?
  5. 5.A shop sells an average of 72 kg of sugar a day for 6 days, and then 62 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  6. 6.Ananya’s batting average after 8 innings is 23 runs. How many runs must Ananya score in the next innings to raise the average to 27?
  7. 7.The average weight of 9 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Dev’s batting average after 9 innings is 41 runs. How many runs must Dev score in the next innings to raise the average to 46?
  9. 9.The average weight of 12 children is 47 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 4 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  11. 11.Marks of 4 friends in a quiz: 42, 29, 48, 41. What is their average mark?
  12. 12.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)?
  13. 13.A shop sells an average of 50 kg of sugar a day for 4 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.Marks of 6 friends in a quiz: 83, 68, 92, 83, 76, 66. What is their average mark?
  15. 15.A shop sells an average of 80 kg of sugar a day for 3 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  16. 16.Rahul’s batting average after 10 innings is 21 runs. How many runs must Rahul score in the next innings to raise the average to 24?
  17. 17.Meera’s batting average after 14 innings is 29 runs. How many runs must Meera score in the next innings to raise the average to 32?
  18. 18.The average of 6 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  19. 19.The average of 8 numbers is 43. When one more number is added, the average becomes 45. What number was added?
  20. 20.Marks of 4 friends in a quiz: 28, 25, 32, 31. What is their average mark?
  21. 21.A shop sells an average of 25 kg of sugar a day for 5 days, and then 33 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  22. 22.Marks of 5 friends in a quiz: 50, 41, 56, 41, 32. What is their average mark?
  23. 23.Arjun’s batting average after 9 innings is 30 runs. How many runs must Arjun score in the next innings to raise the average to 31?
  24. 24.The average of 7 numbers is 49. When one more number is added, the average becomes 52. What number was added?
  25. 25.The average of 5 numbers is 34. When one more number is added, the average becomes 35. What number was added?
  26. 26.The average of 7 numbers is 36. When one more number is added, the average becomes 41. What number was added?
  27. 27.The average of 8 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  28. 28.Marks of 6 friends in a quiz: 50, 33, 44, 51, 44, 42. What is their average mark?
  29. 29.Arjun’s batting average after 12 innings is 33 runs. How many runs must Arjun score in the next innings to raise the average to 38?
  30. 30.Marks of 5 friends in a quiz: 83, 69, 81, 87, 80. What is their average mark?
  31. 31.Marks of 5 friends in a quiz: 28, 42, 39, 38, 48. What is their average mark?
  32. 32.The average of 9 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  33. 33.The average of 4 numbers is 57. When one more number is added, the average becomes 60. What number was added?
  34. 34.The average weight of 5 children is 29 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 6 friends in a quiz: 41, 46, 59, 33, 52, 51. What is their average mark?
  36. 36.The average of 5 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  37. 37.Ananya’s batting average after 9 innings is 33 runs. How many runs must Ananya score in the next innings to raise the average to 38?
  38. 38.The average of 5 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  39. 39.A shop sells an average of 55 kg of sugar a day for 6 days, and then 43 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  40. 40.Marks of 4 friends in a quiz: 81, 81, 86, 48. What is their average mark?

Answer key

  1. 72
  2. 57
  3. 39
  4. 79
  5. 67
  6. 59
  7. 40
  8. 91
  9. 45
  10. 56
  11. 40
  12. 31
  13. 43
  14. 78
  15. 78
  16. 54
  17. 74
  18. 65
  19. 61
  20. 29
  21. 29
  22. 44
  23. 40
  24. 73
  25. 40
  26. 76
  27. 57
  28. 44
  29. 98
  30. 80
  31. 39
  32. 52
  33. 72
  34. 28
  35. 47
  36. 60
  37. 83
  38. 35
  39. 52
  40. 74

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