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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 432 · 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 8 numbers is 55. When one more number is added, the average becomes 61. What number was added?
  2. 2.Kavya’s batting average after 6 innings is 38 runs. How many runs must Kavya score in the next innings to raise the average to 40?
  3. 3.A shop sells an average of 68 kg of sugar a day for 2 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  4. 4.Kavya’s batting average after 15 innings is 26 runs. How many runs must Kavya score in the next innings to raise the average to 27?
  5. 5.Marks of 5 friends in a quiz: 45, 34, 52, 24, 35. What is their average mark?
  6. 6.The average weight of 6 children is 42 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 8 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  8. 8.The average of 4 numbers is 59. When one more number is added, the average becomes 64. What number was added?
  9. 9.Marks of 4 friends in a quiz: 23, 44, 20, 41. What is their average mark?
  10. 10.A shop sells an average of 35 kg of sugar a day for 3 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  11. 11.A shop sells an average of 47 kg of sugar a day for 6 days, and then 22 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.The average weight of 5 children is 46 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 4 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  14. 14.Marks of 4 friends in a quiz: 39, 17, 27, 33. What is their average mark?
  15. 15.Marks of 5 friends in a quiz: 50, 53, 52, 75, 90. What is their average mark?
  16. 16.Marks of 4 friends in a quiz: 63, 63, 82, 96. What is their average mark?
  17. 17.Marks of 5 friends in a quiz: 32, 27, 33, 10, 13. What is their average mark?
  18. 18.Marks of 5 friends in a quiz: 41, 19, 22, 32, 36. What is their average mark?
  19. 19.A shop sells an average of 22 kg of sugar a day for 5 days, and then 78 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  20. 20.Meera’s batting average after 12 innings is 34 runs. How many runs must Meera score in the next innings to raise the average to 39?
  21. 21.Saanvi’s batting average after 13 innings is 33 runs. How many runs must Saanvi score in the next innings to raise the average to 34?
  22. 22.Arjun’s batting average after 9 innings is 24 runs. How many runs must Arjun score in the next innings to raise the average to 25?
  23. 23.The average weight of 12 children is 28 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 4 numbers is 20. When one more number is added, the average becomes 22. What number was added?
  25. 25.The average weight of 6 children is 38 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 4 numbers is 33. When one more number is added, the average becomes 36. What number was added?
  27. 27.Aditya’s batting average after 9 innings is 49 runs. How many runs must Aditya score in the next innings to raise the average to 50?
  28. 28.The average of 4 numbers is 26. When one more number is added, the average becomes 29. What number was added?
  29. 29.The average of 5 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  30. 30.Marks of 5 friends in a quiz: 40, 51, 21, 39, 29. What is their average mark?
  31. 31.The average weight of 5 children is 33 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 4 friends in a quiz: 20, 16, 11, 45. What is their average mark?
  33. 33.Marks of 6 friends in a quiz: 39, 51, 47, 40, 40, 17. What is their average mark?
  34. 34.The average weight of 6 children is 40 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 35 kg of sugar a day for 4 days, and then 53 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  36. 36.Diya’s batting average after 11 innings is 35 runs. How many runs must Diya score in the next innings to raise the average to 39?
  37. 37.Marks of 6 friends in a quiz: 68, 75, 70, 55, 74, 42. What is their average mark?
  38. 38.The average of 9 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  39. 39.Marks of 5 friends in a quiz: 25, 26, 49, 26, 59. What is their average mark?
  40. 40.Kavya’s batting average after 5 innings is 25 runs. How many runs must Kavya score in the next innings to raise the average to 30?

Answer key

  1. 109
  2. 52
  3. 50
  4. 42
  5. 38
  6. 40
  7. 74
  8. 84
  9. 32
  10. 61
  11. 37
  12. 45
  13. 49
  14. 29
  15. 64
  16. 76
  17. 23
  18. 30
  19. 50
  20. 99
  21. 47
  22. 34
  23. 26
  24. 30
  25. 37
  26. 48
  27. 59
  28. 41
  29. 79
  30. 36
  31. 32
  32. 23
  33. 39
  34. 37
  35. 45
  36. 83
  37. 64
  38. 67
  39. 37
  40. 55

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