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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 40 · 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 6 numbers is 36. When one more number is added, the average becomes 38. What number was added?
  2. 2.The average weight of 9 children is 47 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average weight of 10 children is 45 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Zoya’s batting average after 9 innings is 43 runs. How many runs must Zoya score in the next innings to raise the average to 47?
  5. 5.Rohan’s batting average after 5 innings is 26 runs. How many runs must Rohan score in the next innings to raise the average to 30?
  6. 6.The average of 5 numbers is 57. When one more number is added, the average becomes 59. What number was added?
  7. 7.Marks of 6 friends in a quiz: 45, 46, 27, 19, 22, 39. What is their average mark?
  8. 8.Vivaan’s batting average after 15 innings is 30 runs. How many runs must Vivaan score in the next innings to raise the average to 35?
  9. 9.A shop sells an average of 76 kg of sugar a day for 4 days, and then 46 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  10. 10.The average of 4 numbers is 38. When one more number is added, the average becomes 41. What number was added?
  11. 11.The average of 7 numbers is 48. When one more number is added, the average becomes 52. What number was added?
  12. 12.A shop sells an average of 46 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)?
  13. 13.The average of 5 numbers is 47. When one more number is added, the average becomes 49. What number was added?
  14. 14.A shop sells an average of 23 kg of sugar a day for 4 days, and then 58 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  15. 15.The average of 8 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  16. 16.The average weight of 6 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average of 4 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  18. 18.Diya’s batting average after 6 innings is 32 runs. How many runs must Diya score in the next innings to raise the average to 33?
  19. 19.A shop sells an average of 61 kg of sugar a day for 4 days, and then 52 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  20. 20.Rohan’s batting average after 12 innings is 43 runs. How many runs must Rohan score in the next innings to raise the average to 45?
  21. 21.Marks of 4 friends in a quiz: 36, 36, 48, 52. What is their average mark?
  22. 22.The average of 6 numbers is 21. When one more number is added, the average becomes 24. What number was added?
  23. 23.Manav’s batting average after 13 innings is 42 runs. How many runs must Manav score in the next innings to raise the average to 47?
  24. 24.Marks of 4 friends in a quiz: 29, 26, 47, 54. What is their average mark?
  25. 25.Marks of 6 friends in a quiz: 15, 20, 19, 11, 21, 70. What is their average mark?
  26. 26.The average weight of 5 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 6 children is 44 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 37 kg of sugar a day for 3 days, and then 45 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.Marks of 5 friends in a quiz: 10, 32, 39, 29, 10. What is their average mark?
  30. 30.The average of 4 numbers is 51. When one more number is added, the average becomes 55. What number was added?
  31. 31.Aarav’s batting average after 5 innings is 27 runs. How many runs must Aarav score in the next innings to raise the average to 29?
  32. 32.A shop sells an average of 24 kg of sugar a day for 3 days, and then 64 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.Marks of 4 friends in a quiz: 35, 57, 51, 45. What is their average mark?
  34. 34.The average of 6 numbers is 24. When one more number is added, the average becomes 28. What number was added?
  35. 35.Farhan’s batting average after 12 innings is 49 runs. How many runs must Farhan score in the next innings to raise the average to 50?
  36. 36.The average of 5 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  37. 37.Marks of 6 friends in a quiz: 48, 58, 30, 57, 41, 30. What is their average mark?
  38. 38.The average of 5 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  39. 39.The average weight of 9 children is 46 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 12 children is 45 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 50
  2. 45
  3. 42
  4. 83
  5. 50
  6. 69
  7. 33
  8. 110
  9. 66
  10. 53
  11. 80
  12. 41
  13. 59
  14. 44
  15. 74
  16. 28
  17. 42
  18. 39
  19. 58
  20. 69
  21. 43
  22. 42
  23. 112
  24. 39
  25. 26
  26. 26
  27. 41
  28. 41
  29. 24
  30. 71
  31. 39
  32. 44
  33. 47
  34. 52
  35. 62
  36. 47
  37. 44
  38. 74
  39. 44
  40. 44

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