← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 133 · 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 16. When one more number is added, the average becomes 22. What number was added?
  2. 2.Marks of 4 friends in a quiz: 50, 45, 44, 61. What is their average mark?
  3. 3.The average of 8 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  4. 4.The average weight of 5 children is 45 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.A shop sells an average of 68 kg of sugar a day for 2 days, and then 76 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  6. 6.The average weight of 9 children is 36 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Marks of 6 friends in a quiz: 41, 34, 48, 40, 46, 37. What is their average mark?
  8. 8.Marks of 5 friends in a quiz: 54, 67, 53, 52, 59. What is their average mark?
  9. 9.Marks of 4 friends in a quiz: 39, 30, 41, 26. What is their average mark?
  10. 10.Ishaan’s batting average after 5 innings is 33 runs. How many runs must Ishaan score in the next innings to raise the average to 34?
  11. 11.The average weight of 7 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 22 kg of sugar a day for 4 days, and then 52 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.Karan’s batting average after 15 innings is 20 runs. How many runs must Karan score in the next innings to raise the average to 21?
  14. 14.Ishaan’s batting average after 6 innings is 42 runs. How many runs must Ishaan score in the next innings to raise the average to 43?
  15. 15.The average weight of 5 children is 29 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 9 numbers is 17. When one more number is added, the average becomes 21. What number was added?
  17. 17.The average weight of 12 children is 35 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 6 children is 45 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 8 numbers is 28. When one more number is added, the average becomes 30. What number was added?
  20. 20.The average of 4 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  21. 21.The average weight of 9 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 8 numbers is 25. When one more number is added, the average becomes 30. What number was added?
  23. 23.A shop sells an average of 21 kg of sugar a day for 2 days, and then 59 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  24. 24.Aditya’s batting average after 13 innings is 20 runs. How many runs must Aditya score in the next innings to raise the average to 22?
  25. 25.Marks of 6 friends in a quiz: 29, 28, 21, 28, 42, 26. What is their average mark?
  26. 26.Zoya’s batting average after 10 innings is 33 runs. How many runs must Zoya score in the next innings to raise the average to 35?
  27. 27.Marks of 6 friends in a quiz: 65, 83, 71, 67, 81, 95. What is their average mark?
  28. 28.The average weight of 10 children is 42 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 34 kg of sugar a day for 6 days, and then 50 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  30. 30.The average weight of 10 children is 41 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 4 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  32. 32.Marks of 4 friends in a quiz: 27, 36, 34, 55. What is their average mark?
  33. 33.A shop sells an average of 58 kg of sugar a day for 4 days, and then 65 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  34. 34.The average weight of 7 children is 30 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Meera’s batting average after 11 innings is 23 runs. How many runs must Meera score in the next innings to raise the average to 28?
  36. 36.Marks of 6 friends in a quiz: 34, 42, 35, 57, 43, 59. What is their average mark?
  37. 37.A shop sells an average of 56 kg of sugar a day for 4 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.The average of 4 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  39. 39.Marks of 5 friends in a quiz: 53, 45, 34, 37, 76. What is their average mark?
  40. 40.A shop sells an average of 27 kg of sugar a day for 2 days, and then 79 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 76
  2. 50
  3. 74
  4. 42
  5. 72
  6. 34
  7. 41
  8. 57
  9. 34
  10. 39
  11. 31
  12. 32
  13. 36
  14. 49
  15. 28
  16. 57
  17. 34
  18. 42
  19. 46
  20. 58
  21. 42
  22. 70
  23. 40
  24. 48
  25. 29
  26. 55
  27. 77
  28. 40
  29. 42
  30. 38
  31. 31
  32. 38
  33. 61
  34. 27
  35. 83
  36. 45
  37. 46
  38. 26
  39. 49
  40. 66

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