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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 14 · 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.Marks of 6 friends in a quiz: 26, 29, 52, 25, 34, 62. What is their average mark?
  2. 2.Kavya’s batting average after 7 innings is 36 runs. How many runs must Kavya score in the next innings to raise the average to 41?
  3. 3.Marks of 6 friends in a quiz: 27, 30, 42, 53, 39, 37. What is their average mark?
  4. 4.Marks of 4 friends in a quiz: 72, 59, 57, 72. What is their average mark?
  5. 5.The average weight of 10 children is 40 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Kavya’s batting average after 11 innings is 31 runs. How many runs must Kavya score in the next innings to raise the average to 34?
  7. 7.The average of 8 numbers is 46. When one more number is added, the average becomes 51. What number was added?
  8. 8.Priya’s batting average after 6 innings is 32 runs. How many runs must Priya score in the next innings to raise the average to 34?
  9. 9.The average weight of 5 children is 34 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 9 children is 33 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.A shop sells an average of 27 kg of sugar a day for 2 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  12. 12.Isha’s batting average after 7 innings is 35 runs. How many runs must Isha score in the next innings to raise the average to 37?
  13. 13.Ishaan’s batting average after 9 innings is 44 runs. How many runs must Ishaan score in the next innings to raise the average to 47?
  14. 14.The average of 9 numbers is 48. When one more number is added, the average becomes 53. What number was added?
  15. 15.The average of 6 numbers is 45. When one more number is added, the average becomes 49. What number was added?
  16. 16.The average of 5 numbers is 56. When one more number is added, the average becomes 57. What number was added?
  17. 17.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)?
  18. 18.Marks of 6 friends in a quiz: 26, 46, 38, 25, 29, 64. What is their average mark?
  19. 19.The average weight of 10 children is 37 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.A shop sells an average of 27 kg of sugar a day for 2 days, and then 21 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  21. 21.Marks of 5 friends in a quiz: 77, 93, 78, 68, 84. What is their average mark?
  22. 22.Pooja’s batting average after 13 innings is 22 runs. How many runs must Pooja score in the next innings to raise the average to 25?
  23. 23.The average of 8 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  24. 24.The average weight of 8 children is 33 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 11 children is 47 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 6 friends in a quiz: 34, 43, 33, 31, 49, 56. What is their average mark?
  27. 27.Marks of 4 friends in a quiz: 60, 67, 51, 58. What is their average mark?
  28. 28.Marks of 5 friends in a quiz: 65, 63, 53, 73, 71. What is their average mark?
  29. 29.Pooja’s batting average after 15 innings is 30 runs. How many runs must Pooja score in the next innings to raise the average to 32?
  30. 30.Marks of 6 friends in a quiz: 42, 30, 43, 30, 54, 53. What is their average mark?
  31. 31.A shop sells an average of 27 kg of sugar a day for 6 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  32. 32.A shop sells an average of 70 kg of sugar a day for 6 days, and then 46 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  33. 33.The average of 7 numbers is 55. When one more number is added, the average becomes 57. What number was added?
  34. 34.Marks of 4 friends in a quiz: 85, 58, 87, 62. What is their average mark?
  35. 35.The average of 8 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  36. 36.Marks of 4 friends in a quiz: 37, 46, 35, 54. What is their average mark?
  37. 37.A shop sells an average of 79 kg of sugar a day for 2 days, and then 54 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  38. 38.Marks of 4 friends in a quiz: 36, 26, 47, 47. What is their average mark?
  39. 39.A shop sells an average of 24 kg of sugar a day for 4 days, and then 80 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  40. 40.The average of 6 numbers is 30. When one more number is added, the average becomes 35. What number was added?

Answer key

  1. 38
  2. 76
  3. 38
  4. 65
  5. 37
  6. 67
  7. 91
  8. 46
  9. 31
  10. 32
  11. 23
  12. 51
  13. 74
  14. 98
  15. 73
  16. 62
  17. 32
  18. 38
  19. 34
  20. 24
  21. 80
  22. 64
  23. 74
  24. 31
  25. 45
  26. 41
  27. 59
  28. 65
  29. 62
  30. 42
  31. 25
  32. 58
  33. 71
  34. 73
  35. 57
  36. 43
  37. 64
  38. 39
  39. 48
  40. 65

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