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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 625 · 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: 90, 85, 92, 73, 45. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 67, 67, 63, 55. What is their average mark?
  3. 3.The average weight of 11 children is 31 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 7 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  5. 5.A shop sells an average of 31 kg of sugar a day for 3 days, and then 22 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  6. 6.Marks of 6 friends in a quiz: 67, 58, 69, 75, 65, 38. What is their average mark?
  7. 7.The average weight of 9 children is 40 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Ananya’s batting average after 10 innings is 22 runs. How many runs must Ananya score in the next innings to raise the average to 24?
  9. 9.Marks of 4 friends in a quiz: 55, 55, 50, 40. What is their average mark?
  10. 10.Meera’s batting average after 8 innings is 37 runs. How many runs must Meera score in the next innings to raise the average to 39?
  11. 11.Dev’s batting average after 12 innings is 25 runs. How many runs must Dev score in the next innings to raise the average to 26?
  12. 12.Marks of 5 friends in a quiz: 41, 40, 45, 65, 79. What is their average mark?
  13. 13.Marks of 5 friends in a quiz: 70, 49, 59, 69, 63. What is their average mark?
  14. 14.The average of 5 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  15. 15.A shop sells an average of 20 kg of sugar a day for 2 days, and then 56 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.The average weight of 12 children is 38 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 41 kg of sugar a day for 2 days, and then 66 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  18. 18.The average weight of 11 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Farhan’s batting average after 9 innings is 45 runs. How many runs must Farhan score in the next innings to raise the average to 49?
  20. 20.Marks of 5 friends in a quiz: 10, 14, 31, 22, 43. What is their average mark?
  21. 21.Marks of 5 friends in a quiz: 29, 30, 25, 24, 7. What is their average mark?
  22. 22.Marks of 5 friends in a quiz: 83, 70, 67, 65, 85. What is their average mark?
  23. 23.Marks of 6 friends in a quiz: 37, 27, 9, 24, 17, 18. What is their average mark?
  24. 24.Marks of 4 friends in a quiz: 31, 25, 13, 15. What is their average mark?
  25. 25.Vivaan’s batting average after 5 innings is 26 runs. How many runs must Vivaan score in the next innings to raise the average to 27?
  26. 26.The average weight of 12 children is 45 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average of 4 numbers is 59. When one more number is added, the average becomes 63. What number was added?
  28. 28.The average weight of 9 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 28 kg of sugar a day for 6 days, and then 39 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  30. 30.Marks of 6 friends in a quiz: 59, 72, 54, 76, 64, 59. What is their average mark?
  31. 31.The average of 9 numbers is 27. When one more number is added, the average becomes 33. What number was added?
  32. 32.Ishaan’s batting average after 8 innings is 21 runs. How many runs must Ishaan score in the next innings to raise the average to 22?
  33. 33.Marks of 4 friends in a quiz: 85, 63, 61, 83. What is their average mark?
  34. 34.Farhan’s batting average after 8 innings is 21 runs. How many runs must Farhan score in the next innings to raise the average to 26?
  35. 35.The average of 5 numbers is 47. When one more number is added, the average becomes 52. What number was added?
  36. 36.Ananya’s batting average after 8 innings is 20 runs. How many runs must Ananya score in the next innings to raise the average to 23?
  37. 37.Marks of 4 friends in a quiz: 23, 33, 31, 17. What is their average mark?
  38. 38.A shop sells an average of 56 kg of sugar a day for 4 days, and then 62 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  39. 39.The average weight of 9 children is 38 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 4 friends in a quiz: 57, 45, 51, 55. What is their average mark?

Answer key

  1. 77
  2. 63
  3. 28
  4. 52
  5. 25
  6. 62
  7. 39
  8. 44
  9. 50
  10. 55
  11. 38
  12. 54
  13. 62
  14. 50
  15. 44
  16. 35
  17. 56
  18. 31
  19. 85
  20. 24
  21. 23
  22. 74
  23. 22
  24. 21
  25. 32
  26. 44
  27. 79
  28. 41
  29. 33
  30. 64
  31. 87
  32. 30
  33. 73
  34. 66
  35. 77
  36. 47
  37. 26
  38. 59
  39. 37
  40. 52

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