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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 357 · 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: 62, 65, 62, 68, 98. What is their average mark?
  2. 2.A shop sells an average of 72 kg of sugar a day for 2 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.The average weight of 6 children is 41 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average weight of 7 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average of 5 numbers is 30. When one more number is added, the average becomes 36. What number was added?
  6. 6.Rohan’s batting average after 11 innings is 40 runs. How many runs must Rohan score in the next innings to raise the average to 41?
  7. 7.Marks of 4 friends in a quiz: 43, 33, 21, 27. What is their average mark?
  8. 8.Aarav’s batting average after 11 innings is 39 runs. How many runs must Aarav score in the next innings to raise the average to 44?
  9. 9.The average of 9 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  10. 10.Rahul’s batting average after 6 innings is 30 runs. How many runs must Rahul score in the next innings to raise the average to 34?
  11. 11.The average weight of 5 children is 38 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 58 kg of sugar a day for 3 days, and then 43 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  13. 13.A shop sells an average of 59 kg of sugar a day for 5 days, and then 71 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  14. 14.Tara’s batting average after 7 innings is 47 runs. How many runs must Tara score in the next innings to raise the average to 52?
  15. 15.The average weight of 8 children is 44 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 4 friends in a quiz: 33, 33, 22, 48. What is their average mark?
  17. 17.A shop sells an average of 76 kg of sugar a day for 6 days, and then 64 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  18. 18.The average of 9 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  19. 19.The average of 8 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  20. 20.The average weight of 12 children is 37 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.A shop sells an average of 62 kg of sugar a day for 6 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  22. 22.A shop sells an average of 47 kg of sugar a day for 2 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  23. 23.Marks of 4 friends in a quiz: 11, 27, 17, 33. What is their average mark?
  24. 24.Marks of 6 friends in a quiz: 89, 91, 71, 79, 70, 98. What is their average mark?
  25. 25.Marks of 4 friends in a quiz: 63, 64, 72, 37. What is their average mark?
  26. 26.Pooja’s batting average after 5 innings is 25 runs. How many runs must Pooja score in the next innings to raise the average to 28?
  27. 27.Diya’s batting average after 6 innings is 40 runs. How many runs must Diya score in the next innings to raise the average to 45?
  28. 28.Aditya’s batting average after 14 innings is 26 runs. How many runs must Aditya score in the next innings to raise the average to 29?
  29. 29.Marks of 4 friends in a quiz: 80, 67, 68, 61. What is their average mark?
  30. 30.A shop sells an average of 56 kg of sugar a day for 3 days, and then 80 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  31. 31.The average of 9 numbers is 43. When one more number is added, the average becomes 49. What number was added?
  32. 32.Vivaan’s batting average after 14 innings is 24 runs. How many runs must Vivaan score in the next innings to raise the average to 25?
  33. 33.Aditya’s batting average after 7 innings is 33 runs. How many runs must Aditya score in the next innings to raise the average to 38?
  34. 34.A shop sells an average of 27 kg of sugar a day for 3 days, and then 39 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.Marks of 6 friends in a quiz: 69, 78, 85, 62, 82, 74. What is their average mark?
  36. 36.Karan’s batting average after 10 innings is 21 runs. How many runs must Karan score in the next innings to raise the average to 26?
  37. 37.Marks of 6 friends in a quiz: 85, 88, 85, 80, 67, 63. What is their average mark?
  38. 38.Nisha’s batting average after 12 innings is 44 runs. How many runs must Nisha score in the next innings to raise the average to 45?
  39. 39.The average of 8 numbers is 28. When one more number is added, the average becomes 30. What number was added?
  40. 40.Marks of 4 friends in a quiz: 64, 81, 79, 60. What is their average mark?

Answer key

  1. 71
  2. 57
  3. 40
  4. 30
  5. 66
  6. 52
  7. 31
  8. 99
  9. 42
  10. 58
  11. 35
  12. 48
  13. 65
  14. 87
  15. 42
  16. 34
  17. 72
  18. 52
  19. 80
  20. 34
  21. 53
  22. 63
  23. 22
  24. 83
  25. 59
  26. 43
  27. 75
  28. 71
  29. 69
  30. 68
  31. 103
  32. 39
  33. 73
  34. 33
  35. 75
  36. 76
  37. 78
  38. 57
  39. 46
  40. 71

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