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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 278 · 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 5 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  2. 2.The average of 6 numbers is 45. When one more number is added, the average becomes 49. What number was added?
  3. 3.The average of 9 numbers is 32. When one more number is added, the average becomes 37. What number was added?
  4. 4.The average of 5 numbers is 26. When one more number is added, the average becomes 29. What number was added?
  5. 5.Aditya’s batting average after 9 innings is 49 runs. How many runs must Aditya score in the next innings to raise the average to 51?
  6. 6.A shop sells an average of 66 kg of sugar a day for 4 days, and then 75 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  7. 7.The average of 4 numbers is 46. When one more number is added, the average becomes 47. What number was added?
  8. 8.The average of 5 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  9. 9.Pooja’s batting average after 10 innings is 36 runs. How many runs must Pooja score in the next innings to raise the average to 39?
  10. 10.The average of 7 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  11. 11.The average of 5 numbers is 23. When one more number is added, the average becomes 24. What number was added?
  12. 12.The average of 5 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  13. 13.The average weight of 7 children is 30 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Dev’s batting average after 15 innings is 24 runs. How many runs must Dev score in the next innings to raise the average to 25?
  15. 15.Karan’s batting average after 11 innings is 31 runs. How many runs must Karan score in the next innings to raise the average to 35?
  16. 16.The average of 4 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  17. 17.The average weight of 5 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 11 children is 39 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Diya’s batting average after 8 innings is 26 runs. How many runs must Diya score in the next innings to raise the average to 27?
  20. 20.The average of 8 numbers is 50. When one more number is added, the average becomes 54. What number was added?
  21. 21.The average weight of 12 children is 32 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.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)?
  23. 23.Marks of 5 friends in a quiz: 48, 66, 61, 56, 69. What is their average mark?
  24. 24.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)?
  25. 25.The average of 5 numbers is 56. When one more number is added, the average becomes 59. What number was added?
  26. 26.The average weight of 6 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average of 7 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  28. 28.Kabir’s batting average after 12 innings is 40 runs. How many runs must Kabir score in the next innings to raise the average to 45?
  29. 29.Marks of 4 friends in a quiz: 12, 9, 32, 39. What is their average mark?
  30. 30.A shop sells an average of 31 kg of sugar a day for 2 days, and then 33 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  31. 31.Zoya’s batting average after 9 innings is 38 runs. How many runs must Zoya score in the next innings to raise the average to 43?
  32. 32.A shop sells an average of 25 kg of sugar a day for 3 days, and then 73 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.The average of 8 numbers is 60. When one more number is added, the average becomes 62. What number was added?
  34. 34.Manav’s batting average after 15 innings is 25 runs. How many runs must Manav score in the next innings to raise the average to 28?
  35. 35.Dev’s batting average after 11 innings is 35 runs. How many runs must Dev score in the next innings to raise the average to 37?
  36. 36.The average of 8 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  37. 37.Arjun’s batting average after 10 innings is 36 runs. How many runs must Arjun score in the next innings to raise the average to 37?
  38. 38.Marks of 4 friends in a quiz: 41, 32, 59, 48. What is their average mark?
  39. 39.Priya’s batting average after 11 innings is 24 runs. How many runs must Priya score in the next innings to raise the average to 27?
  40. 40.The average of 6 numbers is 49. When one more number is added, the average becomes 53. What number was added?

Answer key

  1. 49
  2. 73
  3. 82
  4. 44
  5. 69
  6. 71
  7. 51
  8. 25
  9. 69
  10. 39
  11. 29
  12. 44
  13. 27
  14. 40
  15. 79
  16. 20
  17. 41
  18. 38
  19. 35
  20. 86
  21. 29
  22. 28
  23. 60
  24. 29
  25. 74
  26. 26
  27. 27
  28. 105
  29. 23
  30. 32
  31. 88
  32. 49
  33. 78
  34. 73
  35. 59
  36. 34
  37. 47
  38. 45
  39. 60
  40. 77

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