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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 379 · 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 5 numbers is 48. When one more number is added, the average becomes 50. What number was added?
  2. 2.Rahul’s batting average after 15 innings is 33 runs. How many runs must Rahul score in the next innings to raise the average to 36?
  3. 3.The average of 7 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  4. 4.Kavya’s batting average after 14 innings is 36 runs. How many runs must Kavya score in the next innings to raise the average to 40?
  5. 5.A shop sells an average of 75 kg of sugar a day for 4 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.Marks of 5 friends in a quiz: 33, 33, 22, 20, 27. What is their average mark?
  7. 7.Marks of 4 friends in a quiz: 74, 83, 67, 96. What is their average mark?
  8. 8.Priya’s batting average after 10 innings is 31 runs. How many runs must Priya score in the next innings to raise the average to 32?
  9. 9.Karan’s batting average after 5 innings is 37 runs. How many runs must Karan score in the next innings to raise the average to 39?
  10. 10.Pooja’s batting average after 6 innings is 37 runs. How many runs must Pooja score in the next innings to raise the average to 38?
  11. 11.The average weight of 11 children is 31 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 6 friends in a quiz: 92, 93, 91, 82, 67, 49. What is their average mark?
  13. 13.Marks of 5 friends in a quiz: 64, 52, 54, 44, 36. What is their average mark?
  14. 14.The average of 8 numbers is 46. When one more number is added, the average becomes 50. What number was added?
  15. 15.The average of 6 numbers is 44. When one more number is added, the average becomes 48. What number was added?
  16. 16.The average of 9 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  17. 17.Arjun’s batting average after 10 innings is 46 runs. How many runs must Arjun score in the next innings to raise the average to 50?
  18. 18.The average weight of 8 children is 42 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 9 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  20. 20.Tara’s batting average after 11 innings is 32 runs. How many runs must Tara score in the next innings to raise the average to 35?
  21. 21.The average of 6 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  22. 22.A shop sells an average of 77 kg of sugar a day for 6 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  23. 23.Pooja’s batting average after 15 innings is 23 runs. How many runs must Pooja score in the next innings to raise the average to 26?
  24. 24.Ishaan’s batting average after 13 innings is 24 runs. How many runs must Ishaan score in the next innings to raise the average to 28?
  25. 25.The average of 6 numbers is 18. When one more number is added, the average becomes 22. What number was added?
  26. 26.Marks of 6 friends in a quiz: 40, 52, 27, 44, 52, 7. What is their average mark?
  27. 27.The average of 7 numbers is 45. When one more number is added, the average becomes 48. What number was added?
  28. 28.A shop sells an average of 25 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)?
  29. 29.The average weight of 6 children is 42 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 5 children is 42 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 4 friends in a quiz: 6, 22, 21, 31. What is their average mark?
  32. 32.A shop sells an average of 58 kg of sugar a day for 3 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.Marks of 4 friends in a quiz: 24, 17, 14, 49. What is their average mark?
  34. 34.Aditya’s batting average after 11 innings is 48 runs. How many runs must Aditya score in the next innings to raise the average to 53?
  35. 35.The average weight of 8 children is 30 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 36 kg of sugar a day for 4 days, and then 24 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  37. 37.The average of 8 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  38. 38.A shop sells an average of 29 kg of sugar a day for 3 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  39. 39.A shop sells an average of 77 kg of sugar a day for 3 days, and then 59 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.Karan’s batting average after 6 innings is 47 runs. How many runs must Karan score in the next innings to raise the average to 49?

Answer key

  1. 60
  2. 81
  3. 57
  4. 96
  5. 58
  6. 27
  7. 80
  8. 42
  9. 49
  10. 44
  11. 29
  12. 79
  13. 50
  14. 82
  15. 72
  16. 65
  17. 90
  18. 40
  19. 38
  20. 68
  21. 55
  22. 56
  23. 71
  24. 80
  25. 46
  26. 37
  27. 69
  28. 50
  29. 41
  30. 41
  31. 20
  32. 64
  33. 26
  34. 108
  35. 28
  36. 30
  37. 36
  38. 57
  39. 68
  40. 61

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