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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 64 · 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 weight of 8 children is 30 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 5 friends in a quiz: 52, 45, 63, 51, 74. What is their average mark?
  3. 3.Marks of 6 friends in a quiz: 23, 25, 36, 13, 33, 8. What is their average mark?
  4. 4.The average weight of 8 children is 44 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Diya’s batting average after 5 innings is 36 runs. How many runs must Diya score in the next innings to raise the average to 37?
  6. 6.Marks of 6 friends in a quiz: 92, 99, 103, 98, 76, 66. What is their average mark?
  7. 7.A shop sells an average of 66 kg of sugar a day for 5 days, and then 52 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  8. 8.A shop sells an average of 29 kg of sugar a day for 2 days, and then 41 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  9. 9.The average weight of 10 children is 27 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 8 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  11. 11.Aditya’s batting average after 7 innings is 24 runs. How many runs must Aditya score in the next innings to raise the average to 27?
  12. 12.The average of 4 numbers is 51. When one more number is added, the average becomes 55. What number was added?
  13. 13.Nisha’s batting average after 13 innings is 36 runs. How many runs must Nisha score in the next innings to raise the average to 37?
  14. 14.Marks of 4 friends in a quiz: 42, 59, 60, 43. What is their average mark?
  15. 15.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)?
  16. 16.A shop sells an average of 31 kg of sugar a day for 6 days, and then 79 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.Rohan’s batting average after 6 innings is 40 runs. How many runs must Rohan score in the next innings to raise the average to 44?
  18. 18.Marks of 6 friends in a quiz: 79, 73, 88, 81, 83, 88. What is their average mark?
  19. 19.A shop sells an average of 52 kg of sugar a day for 6 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  20. 20.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)?
  21. 21.Kabir’s batting average after 13 innings is 41 runs. How many runs must Kabir score in the next innings to raise the average to 45?
  22. 22.The average weight of 6 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average of 7 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  24. 24.The average of 8 numbers is 30. When one more number is added, the average becomes 31. What number was added?
  25. 25.The average of 9 numbers is 41. When one more number is added, the average becomes 46. What number was added?
  26. 26.Farhan’s batting average after 13 innings is 49 runs. How many runs must Farhan score in the next innings to raise the average to 51?
  27. 27.A shop sells an average of 78 kg of sugar a day for 6 days, and then 28 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  28. 28.The average of 9 numbers is 51. When one more number is added, the average becomes 53. What number was added?
  29. 29.Marks of 4 friends in a quiz: 77, 88, 103, 88. What is their average mark?
  30. 30.The average of 8 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  31. 31.A shop sells an average of 37 kg of sugar a day for 3 days, and then 27 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  32. 32.Marks of 5 friends in a quiz: 48, 52, 49, 65, 66. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 39, 56, 40, 33. What is their average mark?
  34. 34.The average of 9 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  35. 35.A shop sells an average of 42 kg of sugar a day for 4 days, and then 40 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  36. 36.Aarav’s batting average after 8 innings is 29 runs. How many runs must Aarav score in the next innings to raise the average to 31?
  37. 37.The average of 4 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  38. 38.A shop sells an average of 24 kg of sugar a day for 4 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  39. 39.A shop sells an average of 30 kg of sugar a day for 4 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.A shop sells an average of 41 kg of sugar a day for 3 days, and then 71 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 29
  2. 57
  3. 23
  4. 43
  5. 42
  6. 89
  7. 62
  8. 37
  9. 26
  10. 63
  11. 48
  12. 71
  13. 50
  14. 51
  15. 26
  16. 47
  17. 68
  18. 82
  19. 63
  20. 32
  21. 97
  22. 43
  23. 49
  24. 39
  25. 91
  26. 77
  27. 58
  28. 71
  29. 89
  30. 42
  31. 33
  32. 56
  33. 42
  34. 60
  35. 41
  36. 47
  37. 53
  38. 36
  39. 44
  40. 56

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