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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 169 · 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.Pooja’s batting average after 9 innings is 28 runs. How many runs must Pooja score in the next innings to raise the average to 30?
  2. 2.The average of 5 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  3. 3.The average weight of 5 children is 42 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Marks of 5 friends in a quiz: 17, 22, 41, 25, 45. What is their average mark?
  5. 5.Marks of 5 friends in a quiz: 72, 64, 86, 66, 72. What is their average mark?
  6. 6.The average of 9 numbers is 36. When one more number is added, the average becomes 42. What number was added?
  7. 7.A shop sells an average of 54 kg of sugar a day for 3 days, and then 70 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.The average of 7 numbers is 34. When one more number is added, the average becomes 40. What number was added?
  9. 9.A shop sells an average of 64 kg of sugar a day for 3 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  10. 10.A shop sells an average of 42 kg of sugar a day for 3 days, and then 44 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.The average weight of 11 children is 29 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 5 friends in a quiz: 43, 68, 46, 52, 61. What is their average mark?
  13. 13.Marks of 6 friends in a quiz: 40, 42, 45, 16, 32, 5. What is their average mark?
  14. 14.Kavya’s batting average after 13 innings is 32 runs. How many runs must Kavya score in the next innings to raise the average to 34?
  15. 15.The average weight of 12 children is 42 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.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)?
  17. 17.Marks of 6 friends in a quiz: 61, 40, 49, 35, 52, 57. What is their average mark?
  18. 18.Aarav’s batting average after 6 innings is 35 runs. How many runs must Aarav score in the next innings to raise the average to 38?
  19. 19.The average of 7 numbers is 49. When one more number is added, the average becomes 52. What number was added?
  20. 20.Vivaan’s batting average after 9 innings is 48 runs. How many runs must Vivaan score in the next innings to raise the average to 51?
  21. 21.Marks of 5 friends in a quiz: 55, 51, 28, 52, 14. What is their average mark?
  22. 22.A shop sells an average of 47 kg of sugar a day for 2 days, and then 37 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  23. 23.The average weight of 5 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 6 children is 43 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 6 children is 33 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 5 numbers is 48. When one more number is added, the average becomes 51. What number was added?
  27. 27.Marks of 4 friends in a quiz: 81, 76, 73, 90. What is their average mark?
  28. 28.Marks of 5 friends in a quiz: 77, 66, 47, 66, 54. What is their average mark?
  29. 29.The average weight of 7 children is 28 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 9 children is 31 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average weight of 11 children is 26 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 4 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  33. 33.Marks of 5 friends in a quiz: 30, 55, 45, 48, 47. What is their average mark?
  34. 34.Aarav’s batting average after 14 innings is 30 runs. How many runs must Aarav score in the next innings to raise the average to 31?
  35. 35.Tara’s batting average after 7 innings is 28 runs. How many runs must Tara score in the next innings to raise the average to 31?
  36. 36.Marks of 4 friends in a quiz: 44, 30, 26, 40. What is their average mark?
  37. 37.A shop sells an average of 54 kg of sugar a day for 2 days, and then 46 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.A shop sells an average of 80 kg of sugar a day for 6 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  39. 39.The average weight of 12 children is 44 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 5 friends in a quiz: 33, 37, 40, 33, 62. What is their average mark?

Answer key

  1. 48
  2. 73
  3. 39
  4. 30
  5. 72
  6. 96
  7. 64
  8. 82
  9. 50
  10. 43
  11. 26
  12. 54
  13. 30
  14. 60
  15. 41
  16. 43
  17. 49
  18. 56
  19. 73
  20. 78
  21. 40
  22. 41
  23. 33
  24. 42
  25. 30
  26. 66
  27. 80
  28. 62
  29. 27
  30. 29
  31. 25
  32. 37
  33. 45
  34. 45
  35. 52
  36. 35
  37. 48
  38. 68
  39. 43
  40. 41

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