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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 573 · 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 6 numbers is 46. When one more number is added, the average becomes 52. What number was added?
  2. 2.A shop sells an average of 47 kg of sugar a day for 5 days, and then 71 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.Marks of 6 friends in a quiz: 61, 83, 67, 64, 83, 74. What is their average mark?
  4. 4.The average of 7 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  5. 5.Marks of 6 friends in a quiz: 86, 65, 93, 93, 94, 49. What is their average mark?
  6. 6.Marks of 6 friends in a quiz: 10, 12, 38, 17, 34, 27. What is their average mark?
  7. 7.A shop sells an average of 64 kg of sugar a day for 3 days, and then 25 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  8. 8.The average weight of 7 children is 29 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 7 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  10. 10.A shop sells an average of 56 kg of sugar a day for 3 days, and then 80 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.Marks of 4 friends in a quiz: 32, 30, 25, 17. What is their average mark?
  12. 12.The average weight of 8 children is 35 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 6 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  14. 14.The average of 7 numbers is 47. When one more number is added, the average becomes 52. What number was added?
  15. 15.The average weight of 10 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average weight of 7 children is 32 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 6 friends in a quiz: 65, 77, 67, 58, 76, 83. What is their average mark?
  18. 18.A shop sells an average of 77 kg of sugar a day for 5 days, and then 53 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  19. 19.Rohan’s batting average after 15 innings is 47 runs. How many runs must Rohan score in the next innings to raise the average to 52?
  20. 20.Marks of 4 friends in a quiz: 66, 59, 64, 31. What is their average mark?
  21. 21.Marks of 6 friends in a quiz: 36, 45, 39, 55, 39, 62. What is their average mark?
  22. 22.Vivaan’s batting average after 10 innings is 30 runs. How many runs must Vivaan score in the next innings to raise the average to 34?
  23. 23.Marks of 4 friends in a quiz: 51, 58, 66, 61. What is their average mark?
  24. 24.A shop sells an average of 60 kg of sugar a day for 6 days, and then 30 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  25. 25.Marks of 5 friends in a quiz: 54, 66, 57, 68, 20. What is their average mark?
  26. 26.The average weight of 5 children is 28 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.A shop sells an average of 74 kg of sugar a day for 2 days, and then 29 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  28. 28.Meera’s batting average after 11 innings is 40 runs. How many runs must Meera score in the next innings to raise the average to 45?
  29. 29.Marks of 6 friends in a quiz: 31, 38, 42, 22, 16, 19. What is their average mark?
  30. 30.Marks of 4 friends in a quiz: 37, 32, 20, 23. What is their average mark?
  31. 31.The average weight of 6 children is 35 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Arjun’s batting average after 11 innings is 23 runs. How many runs must Arjun score in the next innings to raise the average to 26?
  33. 33.The average weight of 5 children is 38 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average of 9 numbers is 55. When one more number is added, the average becomes 56. What number was added?
  35. 35.The average of 7 numbers is 60. When one more number is added, the average becomes 62. What number was added?
  36. 36.Marks of 4 friends in a quiz: 49, 66, 63, 66. What is their average mark?
  37. 37.Aarav’s batting average after 7 innings is 42 runs. How many runs must Aarav score in the next innings to raise the average to 47?
  38. 38.A shop sells an average of 78 kg of sugar a day for 2 days, and then 53 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  39. 39.Marks of 5 friends in a quiz: 77, 80, 68, 93, 92. What is their average mark?
  40. 40.Meera’s batting average after 10 innings is 46 runs. How many runs must Meera score in the next innings to raise the average to 47?

Answer key

  1. 88
  2. 56
  3. 72
  4. 46
  5. 80
  6. 23
  7. 38
  8. 27
  9. 58
  10. 71
  11. 26
  12. 32
  13. 67
  14. 87
  15. 31
  16. 30
  17. 71
  18. 65
  19. 127
  20. 55
  21. 46
  22. 74
  23. 59
  24. 45
  25. 53
  26. 27
  27. 47
  28. 100
  29. 28
  30. 28
  31. 34
  32. 59
  33. 37
  34. 65
  35. 76
  36. 61
  37. 82
  38. 63
  39. 82
  40. 57

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