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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 664 · 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: 58, 77, 60, 51, 69. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 101, 77, 86, 88. What is their average mark?
  3. 3.Marks of 4 friends in a quiz: 36, 28, 31, 69. What is their average mark?
  4. 4.A shop sells an average of 34 kg of sugar a day for 5 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  5. 5.The average of 6 numbers is 50. When one more number is added, the average becomes 53. What number was added?
  6. 6.The average of 6 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  7. 7.The average of 4 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  8. 8.The average of 6 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  9. 9.A shop sells an average of 68 kg of sugar a day for 6 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  10. 10.A shop sells an average of 36 kg of sugar a day for 4 days, and then 22 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  11. 11.The average of 8 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  12. 12.Marks of 6 friends in a quiz: 95, 70, 84, 78, 100, 83. What is their average mark?
  13. 13.Marks of 5 friends in a quiz: 40, 51, 46, 52, 31. What is their average mark?
  14. 14.The average of 7 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  15. 15.The average weight of 10 children is 29 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 6 numbers is 47. When one more number is added, the average becomes 52. What number was added?
  17. 17.Marks of 5 friends in a quiz: 33, 27, 34, 39, 42. What is their average mark?
  18. 18.The average of 7 numbers is 40. When one more number is added, the average becomes 44. What number was added?
  19. 19.Pooja’s batting average after 12 innings is 39 runs. How many runs must Pooja score in the next innings to raise the average to 40?
  20. 20.The average of 4 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  21. 21.The average of 7 numbers is 20. When one more number is added, the average becomes 22. What number was added?
  22. 22.The average of 5 numbers is 42. When one more number is added, the average becomes 47. What number was added?
  23. 23.Farhan’s batting average after 7 innings is 38 runs. How many runs must Farhan score in the next innings to raise the average to 43?
  24. 24.A shop sells an average of 58 kg of sugar a day for 2 days, and then 22 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.Marks of 5 friends in a quiz: 35, 33, 18, 26, 28. What is their average mark?
  26. 26.A shop sells an average of 52 kg of sugar a day for 3 days, and then 28 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  27. 27.A shop sells an average of 24 kg of sugar a day for 5 days, and then 76 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  28. 28.The average weight of 7 children is 44 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 6 friends in a quiz: 51, 62, 61, 68, 47, 65. What is their average mark?
  30. 30.The average of 6 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  31. 31.The average weight of 6 children is 41 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Nisha’s batting average after 10 innings is 26 runs. How many runs must Nisha score in the next innings to raise the average to 31?
  33. 33.A shop sells an average of 61 kg of sugar a day for 3 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  34. 34.The average weight of 7 children is 28 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.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)?
  36. 36.Isha’s batting average after 5 innings is 35 runs. How many runs must Isha score in the next innings to raise the average to 37?
  37. 37.The average of 8 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  38. 38.Marks of 5 friends in a quiz: 92, 86, 68, 82, 87. What is their average mark?
  39. 39.A shop sells an average of 47 kg of sugar a day for 2 days, and then 55 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  40. 40.Karan’s batting average after 11 innings is 24 runs. How many runs must Karan score in the next innings to raise the average to 25?

Answer key

  1. 63
  2. 88
  3. 41
  4. 44
  5. 71
  6. 45
  7. 32
  8. 84
  9. 71
  10. 30
  11. 48
  12. 85
  13. 44
  14. 34
  15. 28
  16. 82
  17. 35
  18. 72
  19. 52
  20. 20
  21. 36
  22. 72
  23. 78
  24. 31
  25. 28
  26. 37
  27. 50
  28. 41
  29. 59
  30. 80
  31. 38
  32. 81
  33. 51
  34. 25
  35. 41
  36. 47
  37. 56
  38. 83
  39. 53
  40. 36

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