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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 615 · 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 22. When one more number is added, the average becomes 23. What number was added?
  2. 2.A shop sells an average of 33 kg of sugar a day for 5 days, and then 57 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  3. 3.Kabir’s batting average after 14 innings is 47 runs. How many runs must Kabir score in the next innings to raise the average to 49?
  4. 4.The average of 8 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  5. 5.Kavya’s batting average after 9 innings is 22 runs. How many runs must Kavya score in the next innings to raise the average to 25?
  6. 6.The average of 6 numbers is 31. When one more number is added, the average becomes 35. What number was added?
  7. 7.Marks of 5 friends in a quiz: 19, 21, 35, 24, 61. What is their average mark?
  8. 8.The average of 9 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  9. 9.The average of 8 numbers is 19. When one more number is added, the average becomes 23. What number was added?
  10. 10.The average of 7 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  11. 11.A shop sells an average of 51 kg of sugar a day for 3 days, and then 21 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  12. 12.The average weight of 6 children is 38 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Marks of 5 friends in a quiz: 35, 25, 54, 25, 56. What is their average mark?
  14. 14.The average weight of 11 children is 31 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 6 numbers is 56. When one more number is added, the average becomes 60. What number was added?
  16. 16.Marks of 4 friends in a quiz: 80, 69, 65, 58. What is their average mark?
  17. 17.A shop sells an average of 52 kg of sugar a day for 3 days, and then 20 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  18. 18.The average of 9 numbers is 40. When one more number is added, the average becomes 43. What number was added?
  19. 19.The average of 8 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  20. 20.Marks of 4 friends in a quiz: 38, 67, 42, 65. What is their average mark?
  21. 21.Sneha’s batting average after 11 innings is 40 runs. How many runs must Sneha score in the next innings to raise the average to 44?
  22. 22.A shop sells an average of 63 kg of sugar a day for 6 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  23. 23.A shop sells an average of 44 kg of sugar a day for 5 days, and then 80 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  24. 24.A shop sells an average of 48 kg of sugar a day for 2 days, and then 23 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  25. 25.Marks of 6 friends in a quiz: 45, 33, 23, 44, 23, 42. What is their average mark?
  26. 26.A shop sells an average of 74 kg of sugar a day for 5 days, and then 39 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  27. 27.A shop sells an average of 66 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)?
  28. 28.The average of 6 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  29. 29.The average of 5 numbers is 29. When one more number is added, the average becomes 30. What number was added?
  30. 30.Ananya’s batting average after 11 innings is 32 runs. How many runs must Ananya score in the next innings to raise the average to 33?
  31. 31.Marks of 4 friends in a quiz: 20, 29, 27, 44. What is their average mark?
  32. 32.The average of 4 numbers is 42. When one more number is added, the average becomes 45. What number was added?
  33. 33.Ananya’s batting average after 12 innings is 45 runs. How many runs must Ananya score in the next innings to raise the average to 48?
  34. 34.A shop sells an average of 46 kg of sugar a day for 4 days, and then 55 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  35. 35.The average of 6 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  36. 36.The average weight of 7 children is 38 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 8 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  38. 38.Marks of 5 friends in a quiz: 57, 49, 49, 60, 45. What is their average mark?
  39. 39.Kavya’s batting average after 5 innings is 21 runs. How many runs must Kavya score in the next innings to raise the average to 26?
  40. 40.The average weight of 7 children is 46 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 32
  2. 45
  3. 77
  4. 91
  5. 52
  6. 59
  7. 32
  8. 85
  9. 55
  10. 41
  11. 39
  12. 35
  13. 39
  14. 29
  15. 84
  16. 68
  17. 32
  18. 70
  19. 63
  20. 53
  21. 88
  22. 67
  23. 60
  24. 33
  25. 35
  26. 64
  27. 70
  28. 46
  29. 35
  30. 44
  31. 30
  32. 57
  33. 84
  34. 51
  35. 40
  36. 35
  37. 36
  38. 52
  39. 51
  40. 45

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