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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 277 · 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.Marks of 5 friends in a quiz: 68, 55, 72, 75, 40. What is their average mark?
  2. 2.A shop sells an average of 77 kg of sugar a day for 2 days, and then 55 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.Tara’s batting average after 9 innings is 40 runs. How many runs must Tara score in the next innings to raise the average to 45?
  4. 4.The average of 4 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  5. 5.A shop sells an average of 57 kg of sugar a day for 2 days, and then 72 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  6. 6.The average of 5 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  7. 7.Marks of 5 friends in a quiz: 33, 27, 51, 44, 35. What is their average mark?
  8. 8.Isha’s batting average after 9 innings is 25 runs. How many runs must Isha score in the next innings to raise the average to 27?
  9. 9.Aarav’s batting average after 6 innings is 33 runs. How many runs must Aarav score in the next innings to raise the average to 35?
  10. 10.The average weight of 10 children is 28 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 8 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  12. 12.The average of 5 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  13. 13.Marks of 4 friends in a quiz: 17, 35, 10, 30. What is their average mark?
  14. 14.Marks of 6 friends in a quiz: 20, 26, 35, 40, 27, 20. What is their average mark?
  15. 15.The average of 9 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  16. 16.The average weight of 5 children is 47 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Isha’s batting average after 6 innings is 31 runs. How many runs must Isha score in the next innings to raise the average to 36?
  18. 18.The average of 8 numbers is 34. When one more number is added, the average becomes 37. What number was added?
  19. 19.Marks of 5 friends in a quiz: 10, 16, 25, 13, 56. What is their average mark?
  20. 20.The average of 5 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  21. 21.The average weight of 5 children is 27 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 4 numbers is 48. When one more number is added, the average becomes 52. What number was added?
  23. 23.A shop sells an average of 38 kg of sugar a day for 6 days, and then 66 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.Pooja’s batting average after 15 innings is 28 runs. How many runs must Pooja score in the next innings to raise the average to 32?
  25. 25.Marks of 5 friends in a quiz: 36, 22, 26, 32, 69. What is their average mark?
  26. 26.Kavya’s batting average after 6 innings is 37 runs. How many runs must Kavya score in the next innings to raise the average to 40?
  27. 27.The average of 4 numbers is 35. When one more number is added, the average becomes 38. What number was added?
  28. 28.Marks of 4 friends in a quiz: 76, 81, 69, 90. What is their average mark?
  29. 29.A shop sells an average of 79 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)?
  30. 30.Marks of 5 friends in a quiz: 50, 56, 58, 66, 65. What is their average mark?
  31. 31.The average of 9 numbers is 45. When one more number is added, the average becomes 46. What number was added?
  32. 32.The average weight of 7 children is 26 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average weight of 5 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 5 friends in a quiz: 55, 68, 61, 81, 85. What is their average mark?
  35. 35.Marks of 5 friends in a quiz: 81, 83, 64, 75, 57. What is their average mark?
  36. 36.The average of 6 numbers is 17. When one more number is added, the average becomes 23. What number was added?
  37. 37.A shop sells an average of 35 kg of sugar a day for 5 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.A shop sells an average of 53 kg of sugar a day for 4 days, and then 74 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  39. 39.The average of 6 numbers is 42. When one more number is added, the average becomes 46. What number was added?
  40. 40.A shop sells an average of 75 kg of sugar a day for 3 days, and then 51 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 62
  2. 66
  3. 90
  4. 63
  5. 66
  6. 28
  7. 38
  8. 45
  9. 47
  10. 27
  11. 77
  12. 38
  13. 23
  14. 28
  15. 61
  16. 45
  17. 66
  18. 61
  19. 24
  20. 53
  21. 26
  22. 68
  23. 45
  24. 92
  25. 37
  26. 58
  27. 50
  28. 79
  29. 69
  30. 59
  31. 55
  32. 25
  33. 41
  34. 70
  35. 72
  36. 59
  37. 32
  38. 62
  39. 70
  40. 60

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