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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 509 · 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.A shop sells an average of 35 kg of sugar a day for 3 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  2. 2.A shop sells an average of 77 kg of sugar a day for 2 days, and then 69 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.Marks of 5 friends in a quiz: 38, 32, 49, 25, 56. What is their average mark?
  4. 4.The average weight of 5 children is 47 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Rohan’s batting average after 9 innings is 40 runs. How many runs must Rohan score in the next innings to raise the average to 45?
  6. 6.A shop sells an average of 57 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)?
  7. 7.Marks of 4 friends in a quiz: 95, 99, 82, 84. What is their average mark?
  8. 8.A shop sells an average of 47 kg of sugar a day for 2 days, and then 37 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: 67, 78, 60, 79. What is their average mark?
  10. 10.A shop sells an average of 34 kg of sugar a day for 5 days, and then 50 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  11. 11.The average of 7 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  12. 12.The average of 7 numbers is 60. When one more number is added, the average becomes 66. What number was added?
  13. 13.Marks of 4 friends in a quiz: 55, 56, 64, 73. What is their average mark?
  14. 14.A shop sells an average of 53 kg of sugar a day for 3 days, and then 69 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.The average of 4 numbers is 55. When one more number is added, the average becomes 57. What number was added?
  16. 16.Marks of 6 friends in a quiz: 58, 71, 58, 73, 55, 63. What is their average mark?
  17. 17.A shop sells an average of 68 kg of sugar a day for 4 days, and then 47 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  18. 18.A shop sells an average of 64 kg of sugar a day for 6 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  19. 19.A shop sells an average of 26 kg of sugar a day for 2 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  20. 20.The average weight of 8 children is 35 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Diya’s batting average after 13 innings is 47 runs. How many runs must Diya score in the next innings to raise the average to 52?
  22. 22.Marks of 5 friends in a quiz: 17, 30, 13, 29, 51. What is their average mark?
  23. 23.The average of 5 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  24. 24.The average weight of 9 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 6 friends in a quiz: 79, 76, 58, 59, 52, 72. What is their average mark?
  26. 26.The average of 4 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  27. 27.The average of 5 numbers is 30. When one more number is added, the average becomes 35. What number was added?
  28. 28.Meera’s batting average after 10 innings is 25 runs. How many runs must Meera score in the next innings to raise the average to 30?
  29. 29.The average weight of 5 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 8 children is 40 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 5 friends in a quiz: 63, 65, 80, 78, 84. What is their average mark?
  32. 32.Ananya’s batting average after 15 innings is 31 runs. How many runs must Ananya score in the next innings to raise the average to 34?
  33. 33.The average of 8 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  34. 34.Marks of 5 friends in a quiz: 71, 70, 75, 66, 78. What is their average mark?
  35. 35.A shop sells an average of 60 kg of sugar a day for 4 days, and then 26 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  36. 36.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)?
  37. 37.Farhan’s batting average after 6 innings is 24 runs. How many runs must Farhan score in the next innings to raise the average to 27?
  38. 38.Marks of 6 friends in a quiz: 67, 60, 44, 55, 45, 65. What is their average mark?
  39. 39.Marks of 4 friends in a quiz: 73, 81, 71, 87. What is their average mark?
  40. 40.Marks of 4 friends in a quiz: 48, 70, 63, 47. What is their average mark?

Answer key

  1. 39
  2. 71
  3. 40
  4. 45
  5. 90
  6. 46
  7. 90
  8. 42
  9. 71
  10. 42
  11. 34
  12. 108
  13. 62
  14. 61
  15. 65
  16. 63
  17. 59
  18. 56
  19. 49
  20. 32
  21. 117
  22. 28
  23. 53
  24. 34
  25. 66
  26. 74
  27. 60
  28. 80
  29. 33
  30. 38
  31. 74
  32. 79
  33. 71
  34. 72
  35. 43
  36. 27
  37. 45
  38. 56
  39. 78
  40. 57

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