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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 152 · 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 6 friends in a quiz: 47, 26, 31, 24, 43, 57. What is their average mark?
  2. 2.A shop sells an average of 60 kg of sugar a day for 4 days, and then 72 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.Tara’s batting average after 9 innings is 25 runs. How many runs must Tara score in the next innings to raise the average to 27?
  4. 4.The average of 6 numbers is 45. When one more number is added, the average becomes 46. What number was added?
  5. 5.A shop sells an average of 38 kg of sugar a day for 6 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.Marks of 4 friends in a quiz: 54, 37, 58, 27. What is their average mark?
  7. 7.The average of 6 numbers is 53. When one more number is added, the average becomes 59. What number was added?
  8. 8.The average of 5 numbers is 19. When one more number is added, the average becomes 24. What number was added?
  9. 9.Vivaan’s batting average after 5 innings is 29 runs. How many runs must Vivaan score in the next innings to raise the average to 33?
  10. 10.The average of 8 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  11. 11.Marks of 5 friends in a quiz: 20, 36, 18, 23, 23. What is their average mark?
  12. 12.Farhan’s batting average after 14 innings is 35 runs. How many runs must Farhan score in the next innings to raise the average to 39?
  13. 13.A shop sells an average of 26 kg of sugar a day for 4 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  14. 14.The average of 9 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  15. 15.The average of 6 numbers is 56. When one more number is added, the average becomes 58. What number was added?
  16. 16.The average of 9 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  17. 17.A shop sells an average of 61 kg of sugar a day for 5 days, and then 69 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  18. 18.Marks of 6 friends in a quiz: 34, 18, 37, 14, 14, 39. What is their average mark?
  19. 19.Rohan’s batting average after 11 innings is 49 runs. How many runs must Rohan score in the next innings to raise the average to 52?
  20. 20.Marks of 5 friends in a quiz: 50, 67, 73, 69, 66. What is their average mark?
  21. 21.Meera’s batting average after 5 innings is 41 runs. How many runs must Meera score in the next innings to raise the average to 46?
  22. 22.Marks of 4 friends in a quiz: 64, 61, 72, 75. What is their average mark?
  23. 23.Marks of 4 friends in a quiz: 80, 68, 66, 94. What is their average mark?
  24. 24.The average weight of 9 children is 46 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 8 numbers is 40. When one more number is added, the average becomes 42. What number was added?
  26. 26.Rohan’s batting average after 15 innings is 45 runs. How many runs must Rohan score in the next innings to raise the average to 46?
  27. 27.Marks of 5 friends in a quiz: 57, 44, 50, 55, 54. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 52, 36, 45, 67. What is their average mark?
  29. 29.The average weight of 7 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Marks of 4 friends in a quiz: 23, 16, 29, 56. What is their average mark?
  31. 31.A shop sells an average of 68 kg of sugar a day for 3 days, and then 44 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.Marks of 6 friends in a quiz: 94, 78, 90, 71, 88, 71. What is their average mark?
  33. 33.A shop sells an average of 65 kg of sugar a day for 3 days, and then 37 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  34. 34.The average of 5 numbers is 42. When one more number is added, the average becomes 47. What number was added?
  35. 35.Marks of 4 friends in a quiz: 50, 58, 56, 40. What is their average mark?
  36. 36.The average weight of 12 children is 30 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 4 numbers is 49. When one more number is added, the average becomes 50. What number was added?
  38. 38.A shop sells an average of 46 kg of sugar a day for 4 days, and then 76 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  39. 39.Marks of 5 friends in a quiz: 86, 86, 80, 86, 47. What is their average mark?
  40. 40.Marks of 4 friends in a quiz: 47, 25, 19, 41. What is their average mark?

Answer key

  1. 38
  2. 66
  3. 45
  4. 52
  5. 39
  6. 44
  7. 95
  8. 49
  9. 53
  10. 70
  11. 24
  12. 95
  13. 39
  14. 81
  15. 70
  16. 82
  17. 64
  18. 26
  19. 85
  20. 65
  21. 71
  22. 68
  23. 77
  24. 43
  25. 58
  26. 61
  27. 52
  28. 50
  29. 34
  30. 31
  31. 53
  32. 82
  33. 49
  34. 72
  35. 51
  36. 27
  37. 54
  38. 56
  39. 77
  40. 33

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