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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 201 · 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.A shop sells an average of 41 kg of sugar a day for 3 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  2. 2.The average weight of 9 children is 41 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.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)?
  4. 4.A shop sells an average of 57 kg of sugar a day for 2 days, and then 48 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.Manav’s batting average after 15 innings is 34 runs. How many runs must Manav score in the next innings to raise the average to 36?
  6. 6.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)?
  7. 7.Vivaan’s batting average after 8 innings is 25 runs. How many runs must Vivaan score in the next innings to raise the average to 26?
  8. 8.The average weight of 12 children is 32 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 8 numbers is 35. When one more number is added, the average becomes 40. What number was added?
  10. 10.Marks of 6 friends in a quiz: 60, 51, 43, 43, 52, 21. What is their average mark?
  11. 11.The average of 5 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  12. 12.Sneha’s batting average after 10 innings is 27 runs. How many runs must Sneha score in the next innings to raise the average to 28?
  13. 13.The average of 9 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  14. 14.A shop sells an average of 62 kg of sugar a day for 6 days, and then 68 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  15. 15.The average weight of 5 children is 36 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.A shop sells an average of 60 kg of sugar a day for 3 days, and then 75 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 68 kg of sugar a day for 5 days, and then 64 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  18. 18.Marks of 5 friends in a quiz: 32, 28, 29, 49, 62. What is their average mark?
  19. 19.The average of 9 numbers is 55. When one more number is added, the average becomes 60. What number was added?
  20. 20.The average of 5 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  21. 21.Rohan’s batting average after 6 innings is 31 runs. How many runs must Rohan score in the next innings to raise the average to 34?
  22. 22.Marks of 4 friends in a quiz: 44, 61, 36, 51. What is their average mark?
  23. 23.The average of 6 numbers is 59. When one more number is added, the average becomes 60. What number was added?
  24. 24.Kabir’s batting average after 13 innings is 24 runs. How many runs must Kabir score in the next innings to raise the average to 29?
  25. 25.The average of 9 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  26. 26.Marks of 6 friends in a quiz: 62, 80, 83, 57, 80, 46. What is their average mark?
  27. 27.A shop sells an average of 33 kg of sugar a day for 6 days, and then 67 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  28. 28.The average of 7 numbers is 43. When one more number is added, the average becomes 49. What number was added?
  29. 29.The average weight of 6 children is 35 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.A shop sells an average of 40 kg of sugar a day for 4 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  31. 31.The average of 8 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  32. 32.The average weight of 6 children is 33 kg. One child, who weighs 38 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 62 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average of 9 numbers is 43. When one more number is added, the average becomes 44. What number was added?
  35. 35.Rohan’s batting average after 9 innings is 36 runs. How many runs must Rohan score in the next innings to raise the average to 39?
  36. 36.A shop sells an average of 28 kg of sugar a day for 2 days, and then 64 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.The average of 8 numbers is 44. When one more number is added, the average becomes 49. What number was added?
  38. 38.The average of 6 numbers is 37. When one more number is added, the average becomes 40. What number was added?
  39. 39.Marks of 5 friends in a quiz: 64, 57, 69, 64, 56. What is their average mark?
  40. 40.A shop sells an average of 21 kg of sugar a day for 2 days, and then 72 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 35
  2. 39
  3. 42
  4. 51
  5. 66
  6. 40
  7. 34
  8. 29
  9. 80
  10. 45
  11. 71
  12. 38
  13. 46
  14. 64
  15. 35
  16. 66
  17. 66
  18. 40
  19. 105
  20. 23
  21. 52
  22. 48
  23. 66
  24. 94
  25. 64
  26. 68
  27. 50
  28. 91
  29. 33
  30. 39
  31. 49
  32. 32
  33. 41
  34. 53
  35. 66
  36. 52
  37. 89
  38. 58
  39. 62
  40. 55

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