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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 550 · 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.A shop sells an average of 73 kg of sugar a day for 6 days, and then 78 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  2. 2.A shop sells an average of 66 kg of sugar a day for 5 days, and then 73 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  3. 3.Marks of 4 friends in a quiz: 32, 46, 52, 22. What is their average mark?
  4. 4.The average weight of 12 children is 37 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Rohan’s batting average after 14 innings is 42 runs. How many runs must Rohan score in the next innings to raise the average to 45?
  6. 6.The average of 8 numbers is 53. When one more number is added, the average becomes 54. What number was added?
  7. 7.The average of 5 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  8. 8.Marks of 5 friends in a quiz: 58, 68, 45, 65, 34. What is their average mark?
  9. 9.The average of 9 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  10. 10.The average weight of 7 children is 34 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.A shop sells an average of 80 kg of sugar a day for 5 days, and then 20 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.A shop sells an average of 55 kg of sugar a day for 2 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  13. 13.The average of 4 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  14. 14.The average of 6 numbers is 51. When one more number is added, the average becomes 54. What number was added?
  15. 15.Marks of 6 friends in a quiz: 67, 90, 67, 86, 72, 86. What is their average mark?
  16. 16.The average weight of 9 children is 28 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average of 5 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  18. 18.A shop sells an average of 25 kg of sugar a day for 4 days, and then 67 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  19. 19.Marks of 4 friends in a quiz: 38, 37, 37, 60. What is their average mark?
  20. 20.Ananya’s batting average after 10 innings is 38 runs. How many runs must Ananya score in the next innings to raise the average to 40?
  21. 21.Marks of 4 friends in a quiz: 62, 75, 58, 93. What is their average mark?
  22. 22.A shop sells an average of 45 kg of sugar a day for 6 days, and then 40 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  23. 23.The average of 9 numbers is 59. When one more number is added, the average becomes 64. What number was added?
  24. 24.Ishaan’s batting average after 14 innings is 50 runs. How many runs must Ishaan score in the next innings to raise the average to 53?
  25. 25.Ananya’s batting average after 10 innings is 29 runs. How many runs must Ananya score in the next innings to raise the average to 30?
  26. 26.Marks of 6 friends in a quiz: 22, 34, 5, 24, 24, 11. What is their average mark?
  27. 27.The average of 7 numbers is 26. When one more number is added, the average becomes 32. What number was added?
  28. 28.The average weight of 7 children is 40 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 35 kg of sugar a day for 6 days, and then 29 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  30. 30.A shop sells an average of 79 kg of sugar a day for 4 days, and then 51 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  31. 31.Marks of 4 friends in a quiz: 16, 18, 15, 35. What is their average mark?
  32. 32.Marks of 5 friends in a quiz: 88, 78, 74, 90, 90. What is their average mark?
  33. 33.Sneha’s batting average after 12 innings is 23 runs. How many runs must Sneha score in the next innings to raise the average to 28?
  34. 34.Nisha’s batting average after 9 innings is 36 runs. How many runs must Nisha score in the next innings to raise the average to 40?
  35. 35.Marks of 4 friends in a quiz: 44, 45, 66, 57. What is their average mark?
  36. 36.The average of 4 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  37. 37.The average weight of 8 children is 31 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 5 friends in a quiz: 19, 40, 32, 27, 32. What is their average mark?
  39. 39.The average weight of 7 children is 31 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Ananya’s batting average after 5 innings is 39 runs. How many runs must Ananya score in the next innings to raise the average to 44?

Answer key

  1. 75
  2. 68
  3. 38
  4. 35
  5. 87
  6. 62
  7. 62
  8. 54
  9. 47
  10. 33
  11. 50
  12. 65
  13. 48
  14. 72
  15. 78
  16. 25
  17. 47
  18. 43
  19. 43
  20. 60
  21. 72
  22. 43
  23. 109
  24. 95
  25. 40
  26. 20
  27. 74
  28. 39
  29. 33
  30. 67
  31. 21
  32. 84
  33. 88
  34. 76
  35. 53
  36. 37
  37. 28
  38. 30
  39. 30
  40. 69

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