← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 732 · 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 weight of 12 children is 30 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 9 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  3. 3.Pooja’s batting average after 15 innings is 24 runs. How many runs must Pooja score in the next innings to raise the average to 25?
  4. 4.The average of 7 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  5. 5.The average of 7 numbers is 30. When one more number is added, the average becomes 36. What number was added?
  6. 6.Marks of 5 friends in a quiz: 42, 45, 22, 30, 41. What is their average mark?
  7. 7.Manav’s batting average after 7 innings is 41 runs. How many runs must Manav score in the next innings to raise the average to 46?
  8. 8.The average of 4 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  9. 9.Marks of 4 friends in a quiz: 19, 22, 27, 16. What is their average mark?
  10. 10.Aditya’s batting average after 8 innings is 47 runs. How many runs must Aditya score in the next innings to raise the average to 50?
  11. 11.Aarav’s batting average after 12 innings is 42 runs. How many runs must Aarav score in the next innings to raise the average to 43?
  12. 12.The average of 6 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  13. 13.Marks of 4 friends in a quiz: 51, 62, 65, 46. What is their average mark?
  14. 14.The average of 4 numbers is 38. When one more number is added, the average becomes 41. What number was added?
  15. 15.Marks of 5 friends in a quiz: 82, 71, 76, 69, 42. What is their average mark?
  16. 16.The average weight of 7 children is 45 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 6 children is 42 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 5 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  19. 19.The average of 5 numbers is 59. When one more number is added, the average becomes 63. What number was added?
  20. 20.A shop sells an average of 60 kg of sugar a day for 3 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  21. 21.A shop sells an average of 26 kg of sugar a day for 2 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  22. 22.Rahul’s batting average after 9 innings is 39 runs. How many runs must Rahul score in the next innings to raise the average to 42?
  23. 23.The average weight of 9 children is 35 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 40 kg of sugar a day for 5 days, and then 74 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  25. 25.The average weight of 9 children is 45 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 5 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  27. 27.The average of 8 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  28. 28.Marks of 5 friends in a quiz: 94, 71, 88, 69, 83. What is their average mark?
  29. 29.Marks of 4 friends in a quiz: 58, 45, 40, 49. What is their average mark?
  30. 30.The average weight of 8 children is 32 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.A shop sells an average of 39 kg of sugar a day for 3 days, and then 32 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  32. 32.The average weight of 8 children is 37 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 32 kg of sugar a day for 3 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.A shop sells an average of 80 kg of sugar a day for 4 days, and then 30 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  35. 35.The average of 7 numbers is 38. When one more number is added, the average becomes 41. What number was added?
  36. 36.The average of 6 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  37. 37.Marks of 5 friends in a quiz: 42, 60, 60, 47, 66. What is their average mark?
  38. 38.The average of 9 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  39. 39.A shop sells an average of 73 kg of sugar a day for 2 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  40. 40.Saanvi’s batting average after 6 innings is 46 runs. How many runs must Saanvi score in the next innings to raise the average to 47?

Answer key

  1. 27
  2. 85
  3. 40
  4. 43
  5. 78
  6. 36
  7. 81
  8. 38
  9. 21
  10. 74
  11. 55
  12. 49
  13. 56
  14. 53
  15. 68
  16. 42
  17. 40
  18. 24
  19. 83
  20. 69
  21. 23
  22. 69
  23. 33
  24. 57
  25. 44
  26. 45
  27. 61
  28. 81
  29. 48
  30. 31
  31. 35
  32. 34
  33. 41
  34. 50
  35. 62
  36. 23
  37. 55
  38. 72
  39. 69
  40. 53

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