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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 645 · 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.Marks of 4 friends in a quiz: 66, 61, 46, 67. What is their average mark?
  2. 2.A shop sells an average of 72 kg of sugar a day for 4 days, and then 22 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  3. 3.The average weight of 9 children is 46 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 5 numbers is 51. When one more number is added, the average becomes 55. What number was added?
  5. 5.The average weight of 10 children is 39 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 9 numbers is 46. When one more number is added, the average becomes 49. What number was added?
  7. 7.The average of 6 numbers is 52. When one more number is added, the average becomes 57. What number was added?
  8. 8.Marks of 4 friends in a quiz: 35, 22, 27, 8. What is their average mark?
  9. 9.A shop sells an average of 66 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)?
  10. 10.A shop sells an average of 27 kg of sugar a day for 3 days, and then 60 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  11. 11.The average of 5 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  12. 12.The average of 6 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  13. 13.The average weight of 12 children is 43 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 6 friends in a quiz: 36, 29, 27, 51, 46, 27. What is their average mark?
  15. 15.A shop sells an average of 46 kg of sugar a day for 4 days, and then 31 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.Marks of 5 friends in a quiz: 68, 88, 91, 91, 42. What is their average mark?
  17. 17.Rohan’s batting average after 6 innings is 49 runs. How many runs must Rohan score in the next innings to raise the average to 51?
  18. 18.Dev’s batting average after 13 innings is 24 runs. How many runs must Dev score in the next innings to raise the average to 25?
  19. 19.A shop sells an average of 45 kg of sugar a day for 6 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  20. 20.Pooja’s batting average after 12 innings is 31 runs. How many runs must Pooja score in the next innings to raise the average to 34?
  21. 21.A shop sells an average of 55 kg of sugar a day for 2 days, and then 31 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  22. 22.The average of 5 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  23. 23.Ananya’s batting average after 14 innings is 47 runs. How many runs must Ananya score in the next innings to raise the average to 49?
  24. 24.The average of 8 numbers is 48. When one more number is added, the average becomes 50. What number was added?
  25. 25.Ananya’s batting average after 9 innings is 50 runs. How many runs must Ananya score in the next innings to raise the average to 52?
  26. 26.The average weight of 12 children is 39 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 6 friends in a quiz: 72, 47, 72, 47, 59, 75. What is their average mark?
  28. 28.Nisha’s batting average after 15 innings is 28 runs. How many runs must Nisha score in the next innings to raise the average to 29?
  29. 29.Marks of 5 friends in a quiz: 53, 31, 45, 59, 37. What is their average mark?
  30. 30.Pooja’s batting average after 11 innings is 29 runs. How many runs must Pooja score in the next innings to raise the average to 30?
  31. 31.The average weight of 9 children is 29 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 6 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  33. 33.Arjun’s batting average after 7 innings is 24 runs. How many runs must Arjun score in the next innings to raise the average to 25?
  34. 34.Marks of 4 friends in a quiz: 73, 82, 94, 83. What is their average mark?
  35. 35.The average of 7 numbers is 56. When one more number is added, the average becomes 61. What number was added?
  36. 36.Marks of 4 friends in a quiz: 66, 51, 52, 79. What is their average mark?
  37. 37.The average of 4 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  38. 38.The average weight of 9 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Vivaan’s batting average after 11 innings is 48 runs. How many runs must Vivaan score in the next innings to raise the average to 51?
  40. 40.Marks of 6 friends in a quiz: 59, 55, 66, 75, 66, 57. What is their average mark?

Answer key

  1. 60
  2. 42
  3. 43
  4. 75
  5. 37
  6. 76
  7. 87
  8. 23
  9. 44
  10. 49
  11. 64
  12. 36
  13. 42
  14. 36
  15. 41
  16. 76
  17. 63
  18. 38
  19. 37
  20. 70
  21. 43
  22. 44
  23. 77
  24. 66
  25. 70
  26. 36
  27. 62
  28. 44
  29. 45
  30. 41
  31. 27
  32. 59
  33. 32
  34. 83
  35. 96
  36. 62
  37. 60
  38. 29
  39. 84
  40. 63

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