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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 372 · 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 23. When one more number is added, the average becomes 29. What number was added?
  2. 2.A shop sells an average of 30 kg of sugar a day for 6 days, and then 45 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  3. 3.Ananya’s batting average after 12 innings is 26 runs. How many runs must Ananya score in the next innings to raise the average to 28?
  4. 4.The average of 6 numbers is 55. When one more number is added, the average becomes 57. What number was added?
  5. 5.The average of 4 numbers is 51. When one more number is added, the average becomes 54. What number was added?
  6. 6.Marks of 5 friends in a quiz: 79, 71, 57, 72, 61. What is their average mark?
  7. 7.Arjun’s batting average after 9 innings is 26 runs. How many runs must Arjun score in the next innings to raise the average to 28?
  8. 8.The average weight of 8 children is 28 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 7 numbers is 32. When one more number is added, the average becomes 38. What number was added?
  10. 10.Marks of 4 friends in a quiz: 57, 42, 43, 70. What is their average mark?
  11. 11.The average weight of 11 children is 32 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 45 kg of sugar a day for 6 days, and then 55 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  13. 13.The average of 5 numbers is 21. When one more number is added, the average becomes 24. What number was added?
  14. 14.The average of 9 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  15. 15.The average of 4 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  16. 16.The average weight of 12 children is 34 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 71 kg of sugar a day for 2 days, and then 31 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  18. 18.The average weight of 8 children is 39 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.A shop sells an average of 56 kg of sugar a day for 5 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  20. 20.The average of 5 numbers is 51. When one more number is added, the average becomes 55. What number was added?
  21. 21.The average of 9 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  22. 22.Marks of 6 friends in a quiz: 60, 61, 78, 65, 84, 84. What is their average mark?
  23. 23.The average weight of 6 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.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?
  25. 25.A shop sells an average of 71 kg of sugar a day for 3 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  26. 26.Diya’s batting average after 15 innings is 25 runs. How many runs must Diya score in the next innings to raise the average to 28?
  27. 27.Marks of 5 friends in a quiz: 77, 83, 62, 72, 86. What is their average mark?
  28. 28.A shop sells an average of 78 kg of sugar a day for 6 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  29. 29.A shop sells an average of 57 kg of sugar a day for 6 days, and then 21 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  30. 30.A shop sells an average of 61 kg of sugar a day for 4 days, and then 33 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  31. 31.The average weight of 5 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 5 numbers is 42. When one more number is added, the average becomes 44. What number was added?
  33. 33.The average of 8 numbers is 21. When one more number is added, the average becomes 26. What number was added?
  34. 34.The average of 4 numbers is 53. When one more number is added, the average becomes 59. What number was added?
  35. 35.Aditya’s batting average after 11 innings is 21 runs. How many runs must Aditya score in the next innings to raise the average to 22?
  36. 36.Priya’s batting average after 9 innings is 49 runs. How many runs must Priya score in the next innings to raise the average to 51?
  37. 37.Pooja’s batting average after 5 innings is 34 runs. How many runs must Pooja score in the next innings to raise the average to 35?
  38. 38.The average of 5 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  39. 39.The average of 5 numbers is 17. When one more number is added, the average becomes 21. What number was added?
  40. 40.The average weight of 5 children is 46 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 71
  2. 36
  3. 52
  4. 69
  5. 66
  6. 68
  7. 46
  8. 25
  9. 80
  10. 53
  11. 29
  12. 50
  13. 39
  14. 68
  15. 58
  16. 32
  17. 47
  18. 38
  19. 52
  20. 75
  21. 46
  22. 72
  23. 36
  24. 83
  25. 53
  26. 73
  27. 76
  28. 57
  29. 48
  30. 49
  31. 27
  32. 54
  33. 66
  34. 83
  35. 33
  36. 69
  37. 40
  38. 47
  39. 41
  40. 45

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