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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 290 · 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 12 children is 32 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Nisha’s batting average after 13 innings is 39 runs. How many runs must Nisha score in the next innings to raise the average to 40?
  3. 3.Marks of 6 friends in a quiz: 39, 31, 46, 36, 35, 11. What is their average mark?
  4. 4.The average of 5 numbers is 46. When one more number is added, the average becomes 52. What number was added?
  5. 5.Marks of 5 friends in a quiz: 55, 40, 39, 67, 59. What is their average mark?
  6. 6.Arjun’s batting average after 11 innings is 26 runs. How many runs must Arjun score in the next innings to raise the average to 31?
  7. 7.Marks of 5 friends in a quiz: 46, 53, 65, 57, 54. What is their average mark?
  8. 8.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)?
  9. 9.Marks of 4 friends in a quiz: 58, 72, 75, 87. What is their average mark?
  10. 10.The average of 6 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  11. 11.The average weight of 11 children is 42 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Dev’s batting average after 8 innings is 30 runs. How many runs must Dev score in the next innings to raise the average to 34?
  13. 13.Diya’s batting average after 10 innings is 32 runs. How many runs must Diya score in the next innings to raise the average to 37?
  14. 14.The average weight of 11 children is 29 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Karan’s batting average after 6 innings is 26 runs. How many runs must Karan score in the next innings to raise the average to 31?
  16. 16.The average weight of 8 children is 38 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average of 7 numbers is 36. When one more number is added, the average becomes 42. What number was added?
  18. 18.The average weight of 8 children is 47 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.A shop sells an average of 51 kg of sugar a day for 4 days, and then 66 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  20. 20.A shop sells an average of 66 kg of sugar a day for 5 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.The average of 9 numbers is 36. When one more number is added, the average becomes 42. What number was added?
  22. 22.The average of 9 numbers is 45. When one more number is added, the average becomes 49. What number was added?
  23. 23.Marks of 5 friends in a quiz: 8, 7, 9, 17, 59. What is their average mark?
  24. 24.The average weight of 10 children is 45 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Arjun’s batting average after 10 innings is 26 runs. How many runs must Arjun score in the next innings to raise the average to 27?
  26. 26.A shop sells an average of 68 kg of sugar a day for 4 days, and then 77 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.The average weight of 5 children is 41 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Kavya’s batting average after 15 innings is 22 runs. How many runs must Kavya score in the next innings to raise the average to 27?
  29. 29.The average of 5 numbers is 31. When one more number is added, the average becomes 34. What number was added?
  30. 30.The average of 9 numbers is 59. When one more number is added, the average becomes 65. What number was added?
  31. 31.Marks of 6 friends in a quiz: 60, 60, 52, 43, 55, 54. What is their average mark?
  32. 32.The average weight of 12 children is 45 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 4 friends in a quiz: 45, 41, 31, 55. What is their average mark?
  34. 34.The average weight of 6 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 25 kg of sugar a day for 6 days, and then 67 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  36. 36.A shop sells an average of 50 kg of sugar a day for 5 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  37. 37.The average of 8 numbers is 59. When one more number is added, the average becomes 62. What number was added?
  38. 38.Marks of 5 friends in a quiz: 48, 55, 63, 58, 86. What is their average mark?
  39. 39.Marks of 6 friends in a quiz: 50, 36, 39, 43, 46, 80. What is their average mark?
  40. 40.A shop sells an average of 64 kg of sugar a day for 6 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 30
  2. 53
  3. 33
  4. 82
  5. 52
  6. 86
  7. 55
  8. 36
  9. 73
  10. 74
  11. 41
  12. 66
  13. 87
  14. 27
  15. 61
  16. 35
  17. 84
  18. 45
  19. 60
  20. 60
  21. 96
  22. 85
  23. 20
  24. 44
  25. 37
  26. 71
  27. 40
  28. 102
  29. 49
  30. 119
  31. 54
  32. 43
  33. 43
  34. 34
  35. 46
  36. 46
  37. 86
  38. 62
  39. 49
  40. 58

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