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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 327 · 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 4 numbers is 52. When one more number is added, the average becomes 56. What number was added?
  2. 2.The average weight of 5 children is 32 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Marks of 6 friends in a quiz: 49, 69, 46, 46, 46, 68. What is their average mark?
  4. 4.Marks of 4 friends in a quiz: 16, 15, 37, 48. What is their average mark?
  5. 5.Nisha’s batting average after 7 innings is 46 runs. How many runs must Nisha score in the next innings to raise the average to 50?
  6. 6.The average weight of 5 children is 36 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Marks of 4 friends in a quiz: 14, 8, 23, 39. What is their average mark?
  8. 8.A shop sells an average of 75 kg of sugar a day for 3 days, and then 57 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  9. 9.A shop sells an average of 79 kg of sugar a day for 4 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  10. 10.The average weight of 5 children is 27 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 6 friends in a quiz: 47, 33, 38, 33, 52, 67. What is their average mark?
  12. 12.Dev’s batting average after 13 innings is 47 runs. How many runs must Dev score in the next innings to raise the average to 50?
  13. 13.Marks of 4 friends in a quiz: 67, 97, 81, 83. What is their average mark?
  14. 14.Marks of 4 friends in a quiz: 50, 45, 38, 43. What is their average mark?
  15. 15.The average of 9 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  16. 16.Meera’s batting average after 6 innings is 44 runs. How many runs must Meera score in the next innings to raise the average to 49?
  17. 17.Dev’s batting average after 14 innings is 23 runs. How many runs must Dev score in the next innings to raise the average to 26?
  18. 18.Marks of 4 friends in a quiz: 35, 25, 15, 25. What is their average mark?
  19. 19.Kabir’s batting average after 11 innings is 45 runs. How many runs must Kabir score in the next innings to raise the average to 50?
  20. 20.A shop sells an average of 39 kg of sugar a day for 4 days, and then 59 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.Marks of 6 friends in a quiz: 41, 17, 45, 32, 21, 36. What is their average mark?
  22. 22.Ananya’s batting average after 13 innings is 46 runs. How many runs must Ananya score in the next innings to raise the average to 47?
  23. 23.Marks of 5 friends in a quiz: 82, 61, 75, 76, 46. What is their average mark?
  24. 24.A shop sells an average of 52 kg of sugar a day for 5 days, and then 26 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  25. 25.Zoya’s batting average after 11 innings is 32 runs. How many runs must Zoya score in the next innings to raise the average to 35?
  26. 26.A shop sells an average of 24 kg of sugar a day for 3 days, and then 66 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.The average of 4 numbers is 56. When one more number is added, the average becomes 57. What number was added?
  28. 28.Marks of 6 friends in a quiz: 40, 20, 20, 31, 19, 32. What is their average mark?
  29. 29.A shop sells an average of 49 kg of sugar a day for 4 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  30. 30.Isha’s batting average after 5 innings is 25 runs. How many runs must Isha score in the next innings to raise the average to 27?
  31. 31.The average of 9 numbers is 35. When one more number is added, the average becomes 38. What number was added?
  32. 32.Farhan’s batting average after 9 innings is 34 runs. How many runs must Farhan score in the next innings to raise the average to 37?
  33. 33.A shop sells an average of 70 kg of sugar a day for 2 days, and then 43 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.Ananya’s batting average after 13 innings is 50 runs. How many runs must Ananya score in the next innings to raise the average to 52?
  35. 35.The average of 5 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  36. 36.Diya’s batting average after 7 innings is 43 runs. How many runs must Diya score in the next innings to raise the average to 48?
  37. 37.Marks of 5 friends in a quiz: 29, 43, 32, 19, 22. What is their average mark?
  38. 38.The average of 6 numbers is 37. When one more number is added, the average becomes 43. What number was added?
  39. 39.The average weight of 11 children is 37 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 4 friends in a quiz: 24, 26, 35, 15. What is their average mark?

Answer key

  1. 72
  2. 31
  3. 54
  4. 29
  5. 78
  6. 34
  7. 21
  8. 66
  9. 75
  10. 26
  11. 45
  12. 89
  13. 82
  14. 44
  15. 117
  16. 79
  17. 68
  18. 25
  19. 105
  20. 49
  21. 32
  22. 60
  23. 68
  24. 39
  25. 68
  26. 45
  27. 61
  28. 27
  29. 64
  30. 37
  31. 65
  32. 64
  33. 52
  34. 78
  35. 52
  36. 83
  37. 29
  38. 79
  39. 36
  40. 25

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