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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 321 · 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 5 friends in a quiz: 28, 26, 27, 16, 28. What is their average mark?
  2. 2.The average of 6 numbers is 40. When one more number is added, the average becomes 44. What number was added?
  3. 3.The average weight of 10 children is 35 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average weight of 6 children is 41 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average weight of 5 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 4 friends in a quiz: 42, 53, 58, 47. What is their average mark?
  7. 7.Marks of 4 friends in a quiz: 40, 57, 51, 28. What is their average mark?
  8. 8.The average weight of 10 children is 42 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 4 friends in a quiz: 24, 33, 23, 68. What is their average mark?
  10. 10.A shop sells an average of 65 kg of sugar a day for 6 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  11. 11.Priya’s batting average after 9 innings is 37 runs. How many runs must Priya score in the next innings to raise the average to 39?
  12. 12.Kavya’s batting average after 13 innings is 33 runs. How many runs must Kavya score in the next innings to raise the average to 38?
  13. 13.Rohan’s batting average after 6 innings is 38 runs. How many runs must Rohan score in the next innings to raise the average to 42?
  14. 14.A shop sells an average of 54 kg of sugar a day for 2 days, and then 20 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  15. 15.The average of 8 numbers is 24. When one more number is added, the average becomes 28. What number was added?
  16. 16.Marks of 4 friends in a quiz: 59, 50, 54, 57. What is their average mark?
  17. 17.The average weight of 6 children is 36 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 4 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  19. 19.Kavya’s batting average after 13 innings is 37 runs. How many runs must Kavya score in the next innings to raise the average to 41?
  20. 20.Pooja’s batting average after 9 innings is 21 runs. How many runs must Pooja score in the next innings to raise the average to 22?
  21. 21.The average of 7 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  22. 22.The average of 7 numbers is 39. When one more number is added, the average becomes 42. What number was added?
  23. 23.Nisha’s batting average after 8 innings is 40 runs. How many runs must Nisha score in the next innings to raise the average to 43?
  24. 24.Marks of 5 friends in a quiz: 25, 38, 35, 22, 60. What is their average mark?
  25. 25.Marks of 6 friends in a quiz: 51, 25, 26, 23, 42, 55. What is their average mark?
  26. 26.A shop sells an average of 66 kg of sugar a day for 3 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.Ishaan’s batting average after 12 innings is 22 runs. How many runs must Ishaan score in the next innings to raise the average to 26?
  28. 28.Rohan’s batting average after 6 innings is 31 runs. How many runs must Rohan score in the next innings to raise the average to 32?
  29. 29.The average of 5 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  30. 30.Ishaan’s batting average after 12 innings is 50 runs. How many runs must Ishaan score in the next innings to raise the average to 54?
  31. 31.Marks of 6 friends in a quiz: 103, 105, 82, 86, 76, 88. What is their average mark?
  32. 32.Marks of 6 friends in a quiz: 31, 18, 16, 37, 30, 24. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 52, 51, 58, 55. What is their average mark?
  34. 34.Marks of 5 friends in a quiz: 42, 49, 36, 41, 82. What is their average mark?
  35. 35.The average weight of 8 children is 48 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 6 friends in a quiz: 30, 33, 20, 22, 43, 62. What is their average mark?
  37. 37.The average weight of 9 children is 32 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 9 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  39. 39.A shop sells an average of 47 kg of sugar a day for 2 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  40. 40.A shop sells an average of 52 kg of sugar a day for 2 days, and then 22 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 25
  2. 68
  3. 34
  4. 40
  5. 27
  6. 50
  7. 44
  8. 41
  9. 37
  10. 68
  11. 57
  12. 103
  13. 66
  14. 37
  15. 60
  16. 55
  17. 35
  18. 64
  19. 93
  20. 31
  21. 49
  22. 63
  23. 67
  24. 36
  25. 37
  26. 43
  27. 74
  28. 38
  29. 65
  30. 102
  31. 90
  32. 26
  33. 54
  34. 50
  35. 45
  36. 35
  37. 31
  38. 82
  39. 55
  40. 32

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