← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 373 · 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, 19, 15, 32, 56. What is their average mark?
  2. 2.Marks of 6 friends in a quiz: 22, 24, 38, 15, 27, 12. What is their average mark?
  3. 3.Marks of 5 friends in a quiz: 82, 60, 73, 58, 82. What is their average mark?
  4. 4.The average of 9 numbers is 29. When one more number is added, the average becomes 33. What number was added?
  5. 5.Marks of 6 friends in a quiz: 66, 50, 70, 59, 55, 42. What is their average mark?
  6. 6.Meera’s batting average after 7 innings is 41 runs. How many runs must Meera score in the next innings to raise the average to 42?
  7. 7.The average of 8 numbers is 27. When one more number is added, the average becomes 33. What number was added?
  8. 8.The average of 5 numbers is 42. When one more number is added, the average becomes 47. What number was added?
  9. 9.The average of 7 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  10. 10.The average weight of 5 children is 42 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average weight of 8 children is 42 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 30 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)?
  13. 13.The average of 8 numbers is 49. When one more number is added, the average becomes 53. What number was added?
  14. 14.The average weight of 10 children is 32 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average weight of 5 children is 43 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average weight of 6 children is 44 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 12 children is 31 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 4 numbers is 53. When one more number is added, the average becomes 59. What number was added?
  19. 19.Vivaan’s batting average after 10 innings is 28 runs. How many runs must Vivaan score in the next innings to raise the average to 29?
  20. 20.The average of 5 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  21. 21.Kabir’s batting average after 10 innings is 29 runs. How many runs must Kabir score in the next innings to raise the average to 33?
  22. 22.Marks of 6 friends in a quiz: 69, 63, 53, 72, 51, 64. What is their average mark?
  23. 23.The average of 9 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  24. 24.The average weight of 5 children is 26 kg. One child, who weighs 30 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 6 friends in a quiz: 17, 42, 15, 17, 30, 47. What is their average mark?
  26. 26.Marks of 5 friends in a quiz: 67, 56, 46, 44, 57. What is their average mark?
  27. 27.The average of 5 numbers is 57. When one more number is added, the average becomes 62. What number was added?
  28. 28.The average weight of 10 children is 38 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 5 friends in a quiz: 48, 55, 42, 52, 23. What is their average mark?
  30. 30.Zoya’s batting average after 11 innings is 24 runs. How many runs must Zoya score in the next innings to raise the average to 26?
  31. 31.A shop sells an average of 25 kg of sugar a day for 4 days, and then 75 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  32. 32.The average weight of 8 children is 46 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average weight of 7 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average of 6 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  35. 35.A shop sells an average of 44 kg of sugar a day for 3 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.A shop sells an average of 37 kg of sugar a day for 2 days, and then 23 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  37. 37.The average weight of 8 children is 43 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 9 numbers is 59. When one more number is added, the average becomes 65. What number was added?
  39. 39.The average weight of 6 children is 40 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 6 friends in a quiz: 55, 78, 68, 75, 78, 60. What is their average mark?

Answer key

  1. 30
  2. 23
  3. 71
  4. 69
  5. 57
  6. 49
  7. 81
  8. 72
  9. 52
  10. 41
  11. 40
  12. 24
  13. 85
  14. 29
  15. 40
  16. 42
  17. 30
  18. 83
  19. 39
  20. 50
  21. 73
  22. 62
  23. 64
  24. 25
  25. 28
  26. 54
  27. 87
  28. 35
  29. 44
  30. 48
  31. 55
  32. 43
  33. 42
  34. 32
  35. 38
  36. 30
  37. 40
  38. 119
  39. 37
  40. 69

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude