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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 90 · 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 6 numbers is 43. When one more number is added, the average becomes 44. What number was added?
  2. 2.The average weight of 9 children is 31 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 50 kg of sugar a day for 6 days, and then 70 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  4. 4.The average weight of 7 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Ishaan’s batting average after 9 innings is 33 runs. How many runs must Ishaan score in the next innings to raise the average to 38?
  6. 6.Marks of 5 friends in a quiz: 77, 80, 82, 61, 75. What is their average mark?
  7. 7.Rohan’s batting average after 6 innings is 43 runs. How many runs must Rohan score in the next innings to raise the average to 46?
  8. 8.Marks of 6 friends in a quiz: 17, 37, 24, 16, 17, 51. What is their average mark?
  9. 9.A shop sells an average of 66 kg of sugar a day for 6 days, and then 72 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  10. 10.Rohan’s batting average after 8 innings is 22 runs. How many runs must Rohan score in the next innings to raise the average to 24?
  11. 11.A shop sells an average of 55 kg of sugar a day for 6 days, and then 49 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  12. 12.Marks of 6 friends in a quiz: 80, 88, 87, 99, 102, 72. What is their average mark?
  13. 13.Marks of 6 friends in a quiz: 75, 86, 68, 65, 89, 61. What is their average mark?
  14. 14.Pooja’s batting average after 8 innings is 22 runs. How many runs must Pooja score in the next innings to raise the average to 26?
  15. 15.Aarav’s batting average after 6 innings is 50 runs. How many runs must Aarav score in the next innings to raise the average to 55?
  16. 16.Rohan’s batting average after 14 innings is 20 runs. How many runs must Rohan score in the next innings to raise the average to 22?
  17. 17.Marks of 4 friends in a quiz: 70, 64, 70, 32. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 40, 27, 37, 52. What is their average mark?
  19. 19.Marks of 5 friends in a quiz: 47, 53, 41, 32, 27. What is their average mark?
  20. 20.The average weight of 5 children is 32 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average of 8 numbers is 28. When one more number is added, the average becomes 30. What number was added?
  22. 22.The average weight of 10 children is 33 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average of 8 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  24. 24.A shop sells an average of 75 kg of sugar a day for 6 days, and then 51 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  25. 25.The average of 8 numbers is 42. When one more number is added, the average becomes 45. What number was added?
  26. 26.The average of 8 numbers is 50. When one more number is added, the average becomes 56. What number was added?
  27. 27.Marks of 5 friends in a quiz: 41, 44, 33, 59, 43. What is their average mark?
  28. 28.Aditya’s batting average after 9 innings is 34 runs. How many runs must Aditya score in the next innings to raise the average to 35?
  29. 29.A shop sells an average of 73 kg of sugar a day for 2 days, and then 46 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.Marks of 4 friends in a quiz: 56, 74, 54, 64. What is their average mark?
  31. 31.Isha’s batting average after 14 innings is 26 runs. How many runs must Isha score in the next innings to raise the average to 31?
  32. 32.Marks of 5 friends in a quiz: 83, 85, 97, 101, 84. What is their average mark?
  33. 33.Zoya’s batting average after 14 innings is 22 runs. How many runs must Zoya score in the next innings to raise the average to 24?
  34. 34.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)?
  35. 35.Diya’s batting average after 12 innings is 28 runs. How many runs must Diya score in the next innings to raise the average to 32?
  36. 36.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 6 numbers is 25. When one more number is added, the average becomes 30. What number was added?
  38. 38.Meera’s batting average after 11 innings is 33 runs. How many runs must Meera score in the next innings to raise the average to 35?
  39. 39.A shop sells an average of 74 kg of sugar a day for 3 days, and then 40 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.Marks of 4 friends in a quiz: 31, 26, 37, 58. What is their average mark?

Answer key

  1. 50
  2. 30
  3. 60
  4. 31
  5. 83
  6. 75
  7. 64
  8. 27
  9. 69
  10. 40
  11. 52
  12. 88
  13. 74
  14. 58
  15. 85
  16. 50
  17. 59
  18. 39
  19. 40
  20. 30
  21. 46
  22. 32
  23. 44
  24. 63
  25. 69
  26. 104
  27. 44
  28. 44
  29. 55
  30. 62
  31. 101
  32. 90
  33. 52
  34. 34
  35. 80
  36. 27
  37. 60
  38. 57
  39. 57
  40. 38

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