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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 610 · 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.Kavya’s batting average after 10 innings is 26 runs. How many runs must Kavya score in the next innings to raise the average to 30?
  2. 2.Marks of 6 friends in a quiz: 96, 93, 81, 88, 82, 52. What is their average mark?
  3. 3.A shop sells an average of 38 kg of sugar a day for 3 days, and then 70 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  4. 4.Marks of 5 friends in a quiz: 38, 25, 15, 21, 21. What is their average mark?
  5. 5.Marks of 5 friends in a quiz: 49, 47, 25, 40, 29. What is their average mark?
  6. 6.The average of 8 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  7. 7.A shop sells an average of 64 kg of sugar a day for 2 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  8. 8.The average of 5 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  9. 9.Dev’s batting average after 5 innings is 22 runs. How many runs must Dev score in the next innings to raise the average to 25?
  10. 10.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)?
  11. 11.The average of 5 numbers is 20. When one more number is added, the average becomes 25. What number was added?
  12. 12.Marks of 4 friends in a quiz: 15, 25, 20, 52. What is their average mark?
  13. 13.The average weight of 9 children is 44 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average weight of 11 children is 37 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 6 numbers is 19. When one more number is added, the average becomes 21. What number was added?
  16. 16.Marks of 4 friends in a quiz: 35, 30, 31, 56. What is their average mark?
  17. 17.Marks of 4 friends in a quiz: 83, 65, 77, 71. What is their average mark?
  18. 18.A shop sells an average of 27 kg of sugar a day for 2 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  19. 19.The average of 5 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  20. 20.The average weight of 9 children is 34 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average weight of 7 children is 41 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 8 numbers is 57. When one more number is added, the average becomes 61. What number was added?
  23. 23.The average of 7 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  24. 24.Ananya’s batting average after 13 innings is 32 runs. How many runs must Ananya score in the next innings to raise the average to 37?
  25. 25.The average weight of 7 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.A shop sells an average of 54 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)?
  27. 27.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)?
  28. 28.Marks of 5 friends in a quiz: 87, 66, 81, 74, 62. What is their average mark?
  29. 29.Marks of 6 friends in a quiz: 44, 34, 26, 38, 35, 69. What is their average mark?
  30. 30.A shop sells an average of 20 kg of sugar a day for 5 days, and then 76 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  31. 31.The average weight of 12 children is 45 kg. One child, who weighs 78 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A shop sells an average of 34 kg of sugar a day for 3 days, and then 55 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  33. 33.The average of 8 numbers is 21. When one more number is added, the average becomes 26. What number was added?
  34. 34.Kavya’s batting average after 14 innings is 31 runs. How many runs must Kavya score in the next innings to raise the average to 34?
  35. 35.The average of 5 numbers is 28. When one more number is added, the average becomes 33. What number was added?
  36. 36.Karan’s batting average after 10 innings is 35 runs. How many runs must Karan score in the next innings to raise the average to 39?
  37. 37.The average of 5 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  38. 38.The average weight of 5 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average of 6 numbers is 50. When one more number is added, the average becomes 51. What number was added?
  40. 40.A shop sells an average of 80 kg of sugar a day for 2 days, and then 72 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 70
  2. 82
  3. 58
  4. 24
  5. 38
  6. 57
  7. 42
  8. 58
  9. 40
  10. 29
  11. 50
  12. 28
  13. 43
  14. 34
  15. 33
  16. 38
  17. 74
  18. 37
  19. 61
  20. 31
  21. 38
  22. 93
  23. 48
  24. 102
  25. 31
  26. 45
  27. 38
  28. 74
  29. 41
  30. 36
  31. 42
  32. 46
  33. 66
  34. 76
  35. 58
  36. 79
  37. 46
  38. 40
  39. 57
  40. 74

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