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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 139 · 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 5 children is 40 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Priya’s batting average after 5 innings is 34 runs. How many runs must Priya score in the next innings to raise the average to 35?
  3. 3.Farhan’s batting average after 7 innings is 30 runs. How many runs must Farhan score in the next innings to raise the average to 31?
  4. 4.A shop sells an average of 74 kg of sugar a day for 6 days, and then 64 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  5. 5.A shop sells an average of 74 kg of sugar a day for 3 days, and then 36 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.A shop sells an average of 45 kg of sugar a day for 3 days, and then 24 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  7. 7.Farhan’s batting average after 15 innings is 32 runs. How many runs must Farhan score in the next innings to raise the average to 34?
  8. 8.Pooja’s batting average after 15 innings is 21 runs. How many runs must Pooja score in the next innings to raise the average to 24?
  9. 9.The average of 6 numbers is 44. When one more number is added, the average becomes 49. What number was added?
  10. 10.The average weight of 9 children is 47 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.A shop sells an average of 74 kg of sugar a day for 6 days, and then 54 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.The average of 7 numbers is 17. When one more number is added, the average becomes 21. What number was added?
  13. 13.Saanvi’s batting average after 10 innings is 24 runs. How many runs must Saanvi score in the next innings to raise the average to 25?
  14. 14.The average of 8 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  15. 15.Marks of 5 friends in a quiz: 25, 10, 28, 26, 26. What is their average mark?
  16. 16.A shop sells an average of 24 kg of sugar a day for 3 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  17. 17.A shop sells an average of 77 kg of sugar a day for 4 days, and then 25 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  18. 18.The average of 5 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  19. 19.The average of 4 numbers is 39. When one more number is added, the average becomes 41. What number was added?
  20. 20.A shop sells an average of 71 kg of sugar a day for 3 days, and then 43 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 36 kg of sugar a day for 2 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  22. 22.The average of 4 numbers is 59. When one more number is added, the average becomes 65. What number was added?
  23. 23.A shop sells an average of 66 kg of sugar a day for 6 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.Marks of 6 friends in a quiz: 21, 13, 20, 12, 24, 42. What is their average mark?
  25. 25.The average of 4 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  26. 26.The average of 4 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  27. 27.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 7 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  29. 29.The average of 5 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  30. 30.Marks of 5 friends in a quiz: 100, 94, 85, 91, 65. What is their average mark?
  31. 31.A shop sells an average of 32 kg of sugar a day for 3 days, and then 48 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.A shop sells an average of 63 kg of sugar a day for 6 days, and then 48 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  33. 33.The average weight of 5 children is 48 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Meera’s batting average after 15 innings is 25 runs. How many runs must Meera score in the next innings to raise the average to 30?
  35. 35.The average weight of 7 children is 29 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 6 friends in a quiz: 37, 27, 39, 24, 43, 40. What is their average mark?
  37. 37.The average of 8 numbers is 33. When one more number is added, the average becomes 39. What number was added?
  38. 38.The average weight of 6 children is 26 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 5 friends in a quiz: 78, 83, 67, 80, 92. What is their average mark?
  40. 40.Marks of 4 friends in a quiz: 27, 35, 13, 13. What is their average mark?

Answer key

  1. 39
  2. 40
  3. 38
  4. 70
  5. 55
  6. 31
  7. 64
  8. 69
  9. 79
  10. 45
  11. 66
  12. 49
  13. 35
  14. 76
  15. 23
  16. 46
  17. 51
  18. 27
  19. 49
  20. 57
  21. 45
  22. 89
  23. 60
  24. 22
  25. 50
  26. 55
  27. 27
  28. 57
  29. 32
  30. 87
  31. 42
  32. 57
  33. 45
  34. 105
  35. 27
  36. 35
  37. 87
  38. 25
  39. 80
  40. 22

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