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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 97 · 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 weight of 6 children is 30 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 40 kg of sugar a day for 4 days, and then 64 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  3. 3.A shop sells an average of 47 kg of sugar a day for 6 days, and then 23 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  4. 4.A shop sells an average of 23 kg of sugar a day for 3 days, and then 33 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  5. 5.Marks of 5 friends in a quiz: 24, 25, 29, 18, 39. What is their average mark?
  6. 6.The average weight of 5 children is 39 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Pooja’s batting average after 7 innings is 49 runs. How many runs must Pooja score in the next innings to raise the average to 53?
  8. 8.Marks of 4 friends in a quiz: 26, 43, 28, 63. What is their average mark?
  9. 9.The average of 5 numbers is 49. When one more number is added, the average becomes 50. What number was added?
  10. 10.The average weight of 10 children is 39 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 5 friends in a quiz: 24, 19, 13, 14, 70. What is their average mark?
  12. 12.Marks of 6 friends in a quiz: 38, 22, 21, 18, 36, 57. What is their average mark?
  13. 13.Nisha’s batting average after 8 innings is 30 runs. How many runs must Nisha score in the next innings to raise the average to 31?
  14. 14.A shop sells an average of 69 kg of sugar a day for 4 days, and then 74 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 7 numbers is 42. When one more number is added, the average becomes 46. What number was added?
  16. 16.The average of 4 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  17. 17.A shop sells an average of 50 kg of sugar a day for 2 days, and then 78 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  18. 18.The average of 7 numbers is 50. When one more number is added, the average becomes 51. What number was added?
  19. 19.Dev’s batting average after 7 innings is 27 runs. How many runs must Dev score in the next innings to raise the average to 30?
  20. 20.The average weight of 5 children is 42 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 4 friends in a quiz: 60, 50, 48, 46. What is their average mark?
  22. 22.Kabir’s batting average after 5 innings is 30 runs. How many runs must Kabir score in the next innings to raise the average to 31?
  23. 23.A shop sells an average of 38 kg of sugar a day for 2 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  24. 24.Marks of 4 friends in a quiz: 40, 30, 27, 67. What is their average mark?
  25. 25.Zoya’s batting average after 8 innings is 43 runs. How many runs must Zoya score in the next innings to raise the average to 48?
  26. 26.The average of 4 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  27. 27.The average weight of 6 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.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 51?
  29. 29.Marks of 6 friends in a quiz: 27, 25, 46, 31, 39, 60. What is their average mark?
  30. 30.The average of 5 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  31. 31.Priya’s batting average after 7 innings is 33 runs. How many runs must Priya score in the next innings to raise the average to 37?
  32. 32.A shop sells an average of 47 kg of sugar a day for 3 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  33. 33.A shop sells an average of 41 kg of sugar a day for 3 days, and then 38 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  34. 34.Marks of 5 friends in a quiz: 22, 13, 32, 10, 28. What is their average mark?
  35. 35.Marks of 6 friends in a quiz: 92, 84, 102, 82, 85, 89. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 22, 19, 30, 49. What is their average mark?
  37. 37.The average weight of 5 children is 31 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 7 numbers is 25. When one more number is added, the average becomes 28. What number was added?
  39. 39.The average of 8 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  40. 40.A shop sells an average of 60 kg of sugar a day for 4 days, and then 55 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?

Answer key

  1. 27
  2. 48
  3. 39
  4. 27
  5. 27
  6. 38
  7. 81
  8. 40
  9. 55
  10. 38
  11. 28
  12. 32
  13. 39
  14. 72
  15. 74
  16. 62
  17. 71
  18. 58
  19. 51
  20. 39
  21. 51
  22. 36
  23. 36
  24. 41
  25. 88
  26. 52
  27. 43
  28. 60
  29. 38
  30. 65
  31. 65
  32. 41
  33. 39
  34. 21
  35. 89
  36. 30
  37. 29
  38. 49
  39. 64
  40. 57

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