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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 293 · 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.The average of 7 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  2. 2.Aditya’s batting average after 14 innings is 44 runs. How many runs must Aditya score in the next innings to raise the average to 48?
  3. 3.Rohan’s batting average after 9 innings is 28 runs. How many runs must Rohan score in the next innings to raise the average to 30?
  4. 4.Marks of 5 friends in a quiz: 39, 40, 31, 27, 8. What is their average mark?
  5. 5.Aarav’s batting average after 6 innings is 31 runs. How many runs must Aarav score in the next innings to raise the average to 35?
  6. 6.Marks of 4 friends in a quiz: 28, 22, 12, 42. What is their average mark?
  7. 7.A shop sells an average of 71 kg of sugar a day for 5 days, and then 77 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  8. 8.Priya’s batting average after 5 innings is 22 runs. How many runs must Priya score in the next innings to raise the average to 27?
  9. 9.Aarav’s batting average after 13 innings is 43 runs. How many runs must Aarav score in the next innings to raise the average to 44?
  10. 10.Marks of 6 friends in a quiz: 51, 75, 69, 52, 58, 91. What is their average mark?
  11. 11.Marks of 5 friends in a quiz: 60, 61, 40, 38, 56. What is their average mark?
  12. 12.Marks of 6 friends in a quiz: 61, 64, 63, 61, 53, 22. What is their average mark?
  13. 13.A shop sells an average of 36 kg of sugar a day for 3 days, and then 56 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  14. 14.The average of 4 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  15. 15.The average weight of 11 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 6 friends in a quiz: 65, 61, 67, 80, 72, 75. What is their average mark?
  17. 17.The average of 9 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  18. 18.Marks of 4 friends in a quiz: 63, 56, 34, 39. What is their average mark?
  19. 19.The average of 8 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  20. 20.The average of 4 numbers is 46. When one more number is added, the average becomes 51. What number was added?
  21. 21.The average weight of 11 children is 29 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 5 numbers is 45. When one more number is added, the average becomes 51. What number was added?
  23. 23.A shop sells an average of 25 kg of sugar a day for 2 days, and then 46 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  24. 24.Saanvi’s batting average after 12 innings is 30 runs. How many runs must Saanvi score in the next innings to raise the average to 31?
  25. 25.Marks of 6 friends in a quiz: 83, 71, 58, 68, 65, 87. What is their average mark?
  26. 26.Meera’s batting average after 8 innings is 26 runs. How many runs must Meera score in the next innings to raise the average to 28?
  27. 27.The average of 5 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  28. 28.A shop sells an average of 26 kg of sugar a day for 5 days, and then 48 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  29. 29.The average of 4 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  30. 30.The average of 9 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  31. 31.Pooja’s batting average after 14 innings is 45 runs. How many runs must Pooja score in the next innings to raise the average to 47?
  32. 32.Marks of 4 friends in a quiz: 62, 55, 63, 72. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 67, 42, 52, 67. What is their average mark?
  34. 34.The average of 5 numbers is 45. When one more number is added, the average becomes 49. What number was added?
  35. 35.The average of 4 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  36. 36.Marks of 5 friends in a quiz: 72, 87, 90, 81, 50. What is their average mark?
  37. 37.Aarav’s batting average after 11 innings is 40 runs. How many runs must Aarav score in the next innings to raise the average to 45?
  38. 38.The average of 4 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  39. 39.Sneha’s batting average after 8 innings is 28 runs. How many runs must Sneha score in the next innings to raise the average to 32?
  40. 40.Marks of 6 friends in a quiz: 78, 91, 74, 67, 72, 92. What is their average mark?

Answer key

  1. 89
  2. 104
  3. 48
  4. 29
  5. 59
  6. 26
  7. 74
  8. 52
  9. 57
  10. 66
  11. 51
  12. 54
  13. 44
  14. 87
  15. 29
  16. 70
  17. 100
  18. 48
  19. 74
  20. 71
  21. 27
  22. 81
  23. 39
  24. 43
  25. 72
  26. 44
  27. 38
  28. 37
  29. 41
  30. 46
  31. 75
  32. 63
  33. 57
  34. 69
  35. 33
  36. 76
  37. 100
  38. 22
  39. 64
  40. 79

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