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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 253 · 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 54. When one more number is added, the average becomes 55. What number was added?
  2. 2.Marks of 5 friends in a quiz: 47, 33, 47, 30, 38. What is their average mark?
  3. 3.A shop sells an average of 73 kg of sugar a day for 4 days, and then 78 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  4. 4.Ananya’s batting average after 5 innings is 24 runs. How many runs must Ananya score in the next innings to raise the average to 28?
  5. 5.The average of 5 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  6. 6.The average of 8 numbers is 19. When one more number is added, the average becomes 24. What number was added?
  7. 7.The average of 9 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  8. 8.Marks of 5 friends in a quiz: 74, 72, 82, 81, 86. What is their average mark?
  9. 9.A shop sells an average of 52 kg of sugar a day for 6 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  10. 10.The average of 5 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  11. 11.Marks of 6 friends in a quiz: 51, 58, 61, 56, 43, 61. What is their average mark?
  12. 12.The average weight of 10 children is 45 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.A shop sells an average of 29 kg of sugar a day for 5 days, and then 78 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  14. 14.The average of 5 numbers is 17. When one more number is added, the average becomes 21. What number was added?
  15. 15.A shop sells an average of 39 kg of sugar a day for 4 days, and then 57 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  16. 16.Farhan’s batting average after 13 innings is 41 runs. How many runs must Farhan score in the next innings to raise the average to 45?
  17. 17.Karan’s batting average after 6 innings is 29 runs. How many runs must Karan score in the next innings to raise the average to 34?
  18. 18.The average weight of 6 children is 35 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 6 friends in a quiz: 82, 67, 77, 78, 63, 95. What is their average mark?
  20. 20.The average of 7 numbers is 35. When one more number is added, the average becomes 39. What number was added?
  21. 21.Farhan’s batting average after 12 innings is 32 runs. How many runs must Farhan score in the next innings to raise the average to 34?
  22. 22.Nisha’s batting average after 6 innings is 21 runs. How many runs must Nisha score in the next innings to raise the average to 23?
  23. 23.A shop sells an average of 27 kg of sugar a day for 4 days, and then 57 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.Dev’s batting average after 10 innings is 38 runs. How many runs must Dev score in the next innings to raise the average to 40?
  25. 25.A shop sells an average of 48 kg of sugar a day for 5 days, and then 22 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  26. 26.Rahul’s batting average after 13 innings is 20 runs. How many runs must Rahul score in the next innings to raise the average to 21?
  27. 27.The average of 7 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  28. 28.The average of 5 numbers is 39. When one more number is added, the average becomes 41. What number was added?
  29. 29.Vivaan’s batting average after 12 innings is 50 runs. How many runs must Vivaan score in the next innings to raise the average to 55?
  30. 30.The average weight of 10 children is 38 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average weight of 6 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 4 friends in a quiz: 62, 33, 54, 39. What is their average mark?
  33. 33.The average of 9 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  34. 34.The average of 5 numbers is 25. When one more number is added, the average becomes 28. What number was added?
  35. 35.The average weight of 8 children is 44 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average of 4 numbers is 46. When one more number is added, the average becomes 49. What number was added?
  37. 37.The average weight of 8 children is 42 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 10 children is 30 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 71 kg of sugar a day for 6 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  40. 40.The average of 6 numbers is 59. When one more number is added, the average becomes 61. What number was added?

Answer key

  1. 60
  2. 39
  3. 76
  4. 48
  5. 47
  6. 64
  7. 55
  8. 79
  9. 44
  10. 53
  11. 55
  12. 42
  13. 43
  14. 41
  15. 49
  16. 97
  17. 64
  18. 32
  19. 77
  20. 67
  21. 58
  22. 35
  23. 42
  24. 60
  25. 35
  26. 34
  27. 61
  28. 51
  29. 115
  30. 35
  31. 31
  32. 47
  33. 74
  34. 43
  35. 41
  36. 61
  37. 39
  38. 27
  39. 57
  40. 73

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