← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 259 · 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.The average of 9 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  2. 2.Marks of 4 friends in a quiz: 59, 66, 70, 29. What is their average mark?
  3. 3.A shop sells an average of 77 kg of sugar a day for 2 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  4. 4.The average weight of 8 children is 46 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Zoya’s batting average after 7 innings is 36 runs. How many runs must Zoya score in the next innings to raise the average to 41?
  6. 6.Marks of 5 friends in a quiz: 56, 43, 54, 39, 63. What is their average mark?
  7. 7.The average of 8 numbers is 36. When one more number is added, the average becomes 41. What number was added?
  8. 8.The average of 9 numbers is 44. When one more number is added, the average becomes 47. What number was added?
  9. 9.A shop sells an average of 79 kg of sugar a day for 4 days, and then 57 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  10. 10.Dev’s batting average after 6 innings is 41 runs. How many runs must Dev score in the next innings to raise the average to 46?
  11. 11.Marks of 5 friends in a quiz: 9, 16, 7, 12, 56. What is their average mark?
  12. 12.The average weight of 11 children is 30 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Marks of 5 friends in a quiz: 74, 68, 76, 51, 61. What is their average mark?
  14. 14.Marks of 4 friends in a quiz: 19, 48, 33, 36. What is their average mark?
  15. 15.Aarav’s batting average after 8 innings is 32 runs. How many runs must Aarav score in the next innings to raise the average to 36?
  16. 16.The average of 4 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  17. 17.The average of 8 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  18. 18.The average weight of 10 children is 28 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 6 friends in a quiz: 26, 30, 49, 50, 46, 9. What is their average mark?
  20. 20.Aarav’s batting average after 6 innings is 34 runs. How many runs must Aarav score in the next innings to raise the average to 39?
  21. 21.Marks of 5 friends in a quiz: 34, 24, 35, 31, 66. What is their average mark?
  22. 22.Marks of 6 friends in a quiz: 55, 55, 59, 56, 36, 33. What is their average mark?
  23. 23.Marks of 6 friends in a quiz: 35, 30, 21, 28, 43, 29. What is their average mark?
  24. 24.Meera’s batting average after 5 innings is 49 runs. How many runs must Meera score in the next innings to raise the average to 51?
  25. 25.A shop sells an average of 65 kg of sugar a day for 2 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  26. 26.Marks of 4 friends in a quiz: 39, 64, 41, 72. What is their average mark?
  27. 27.The average of 8 numbers is 33. When one more number is added, the average becomes 39. What number was added?
  28. 28.The average of 7 numbers is 56. When one more number is added, the average becomes 59. What number was added?
  29. 29.Zoya’s batting average after 12 innings is 44 runs. How many runs must Zoya score in the next innings to raise the average to 46?
  30. 30.A shop sells an average of 63 kg of sugar a day for 5 days, and then 56 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  31. 31.The average weight of 5 children is 28 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A shop sells an average of 35 kg of sugar a day for 4 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  33. 33.Marks of 5 friends in a quiz: 94, 66, 68, 95, 77. What is their average mark?
  34. 34.Aditya’s batting average after 5 innings is 27 runs. How many runs must Aditya score in the next innings to raise the average to 31?
  35. 35.The average of 4 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  36. 36.Marks of 6 friends in a quiz: 25, 18, 24, 10, 24, 31. What is their average mark?
  37. 37.The average weight of 6 children is 36 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 6 friends in a quiz: 39, 13, 41, 43, 21, 11. What is their average mark?
  39. 39.The average of 7 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  40. 40.A shop sells an average of 49 kg of sugar a day for 3 days, and then 74 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?

Answer key

  1. 68
  2. 56
  3. 47
  4. 45
  5. 76
  6. 51
  7. 81
  8. 74
  9. 68
  10. 76
  11. 20
  12. 28
  13. 66
  14. 34
  15. 68
  16. 42
  17. 45
  18. 26
  19. 35
  20. 69
  21. 38
  22. 49
  23. 31
  24. 61
  25. 67
  26. 54
  27. 87
  28. 80
  29. 70
  30. 61
  31. 25
  32. 50
  33. 80
  34. 51
  35. 65
  36. 22
  37. 33
  38. 28
  39. 52
  40. 59

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