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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 686 · 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: 19, 24, 43, 30. What is their average mark?
  2. 2.The average weight of 10 children is 41 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 9 numbers is 29. When one more number is added, the average becomes 31. What number was added?
  4. 4.The average weight of 8 children is 37 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 4 friends in a quiz: 71, 68, 71, 34. What is their average mark?
  6. 6.Kavya’s batting average after 11 innings is 28 runs. How many runs must Kavya score in the next innings to raise the average to 33?
  7. 7.Marks of 4 friends in a quiz: 22, 12, 29, 41. What is their average mark?
  8. 8.The average of 7 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  9. 9.Kabir’s batting average after 9 innings is 41 runs. How many runs must Kabir score in the next innings to raise the average to 44?
  10. 10.A shop sells an average of 25 kg of sugar a day for 2 days, and then 55 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.A shop sells an average of 36 kg of sugar a day for 3 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  12. 12.The average of 9 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  13. 13.Marks of 5 friends in a quiz: 40, 54, 41, 32, 68. What is their average mark?
  14. 14.Saanvi’s batting average after 14 innings is 40 runs. How many runs must Saanvi score in the next innings to raise the average to 42?
  15. 15.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)?
  16. 16.The average of 6 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  17. 17.The average weight of 11 children is 42 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 6 numbers is 29. When one more number is added, the average becomes 30. What number was added?
  19. 19.Marks of 4 friends in a quiz: 40, 29, 45, 42. What is their average mark?
  20. 20.Isha’s batting average after 11 innings is 26 runs. How many runs must Isha score in the next innings to raise the average to 28?
  21. 21.A shop sells an average of 42 kg of sugar a day for 4 days, and then 52 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  22. 22.Marks of 4 friends in a quiz: 46, 55, 68, 63. What is their average mark?
  23. 23.The average weight of 6 children is 43 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 6 friends in a quiz: 54, 56, 36, 51, 27, 22. What is their average mark?
  25. 25.A shop sells an average of 36 kg of sugar a day for 4 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  26. 26.A shop sells an average of 47 kg of sugar a day for 3 days, and then 53 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  27. 27.A shop sells an average of 69 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)?
  28. 28.Marks of 5 friends in a quiz: 37, 35, 56, 48, 64. What is their average mark?
  29. 29.Pooja’s batting average after 8 innings is 40 runs. How many runs must Pooja score in the next innings to raise the average to 45?
  30. 30.The average of 9 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  31. 31.Marks of 5 friends in a quiz: 37, 52, 50, 57, 34. What is their average mark?
  32. 32.Tara’s batting average after 11 innings is 32 runs. How many runs must Tara score in the next innings to raise the average to 34?
  33. 33.A shop sells an average of 29 kg of sugar a day for 2 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  34. 34.The average weight of 10 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 5 friends in a quiz: 58, 42, 61, 54, 15. What is their average mark?
  36. 36.The average weight of 9 children is 48 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.A shop sells an average of 69 kg of sugar a day for 3 days, and then 39 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.Kavya’s batting average after 14 innings is 41 runs. How many runs must Kavya score in the next innings to raise the average to 46?
  39. 39.Manav’s batting average after 10 innings is 46 runs. How many runs must Manav score in the next innings to raise the average to 48?
  40. 40.Marks of 5 friends in a quiz: 62, 52, 60, 46, 85. What is their average mark?

Answer key

  1. 29
  2. 38
  3. 49
  4. 35
  5. 61
  6. 88
  7. 26
  8. 69
  9. 71
  10. 45
  11. 34
  12. 68
  13. 47
  14. 70
  15. 44
  16. 62
  17. 39
  18. 36
  19. 39
  20. 50
  21. 47
  22. 58
  23. 41
  24. 41
  25. 39
  26. 51
  27. 52
  28. 48
  29. 85
  30. 53
  31. 46
  32. 56
  33. 38
  34. 27
  35. 46
  36. 45
  37. 54
  38. 116
  39. 68
  40. 61

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