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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 252 · 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 weight of 12 children is 45 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 5 friends in a quiz: 86, 82, 103, 77, 92. What is their average mark?
  3. 3.The average of 6 numbers is 36. When one more number is added, the average becomes 38. What number was added?
  4. 4.Marks of 6 friends in a quiz: 79, 52, 73, 52, 60, 68. What is their average mark?
  5. 5.Marks of 5 friends in a quiz: 26, 37, 17, 27, 18. What is their average mark?
  6. 6.The average of 8 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  7. 7.A shop sells an average of 36 kg of sugar a day for 4 days, and then 48 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.The average weight of 8 children is 43 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Ananya’s batting average after 12 innings is 43 runs. How many runs must Ananya score in the next innings to raise the average to 48?
  10. 10.The average of 5 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  11. 11.A shop sells an average of 25 kg of sugar a day for 2 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  12. 12.The average weight of 11 children is 38 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Marks of 4 friends in a quiz: 85, 68, 73, 98. What is their average mark?
  14. 14.Ishaan’s batting average after 9 innings is 25 runs. How many runs must Ishaan score in the next innings to raise the average to 28?
  15. 15.The average of 5 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  16. 16.Zoya’s batting average after 14 innings is 29 runs. How many runs must Zoya score in the next innings to raise the average to 34?
  17. 17.The average weight of 7 children is 36 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 6 children is 44 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average weight of 8 children is 40 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Marks of 4 friends in a quiz: 66, 43, 41, 54. What is their average mark?
  21. 21.Isha’s batting average after 13 innings is 41 runs. How many runs must Isha score in the next innings to raise the average to 46?
  22. 22.A shop sells an average of 63 kg of sugar a day for 4 days, and then 33 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  23. 23.The average of 5 numbers is 56. When one more number is added, the average becomes 57. What number was added?
  24. 24.The average of 9 numbers is 48. When one more number is added, the average becomes 50. What number was added?
  25. 25.Marks of 4 friends in a quiz: 70, 84, 81, 61. What is their average mark?
  26. 26.The average weight of 8 children is 31 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average of 9 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  28. 28.The average weight of 6 children is 46 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average weight of 12 children is 38 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 9 children is 32 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Kavya’s batting average after 15 innings is 39 runs. How many runs must Kavya score in the next innings to raise the average to 44?
  32. 32.Marks of 5 friends in a quiz: 18, 23, 17, 16, 81. What is their average mark?
  33. 33.Pooja’s batting average after 11 innings is 42 runs. How many runs must Pooja score in the next innings to raise the average to 43?
  34. 34.Marks of 5 friends in a quiz: 24, 50, 34, 48, 34. What is their average mark?
  35. 35.A shop sells an average of 37 kg of sugar a day for 2 days, and then 73 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.The average weight of 11 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average weight of 7 children is 47 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Kavya’s batting average after 14 innings is 36 runs. How many runs must Kavya score in the next innings to raise the average to 39?
  39. 39.A shop sells an average of 60 kg of sugar a day for 4 days, and then 24 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  40. 40.The average of 5 numbers is 30. When one more number is added, the average becomes 36. What number was added?

Answer key

  1. 44
  2. 88
  3. 50
  4. 64
  5. 25
  6. 89
  7. 42
  8. 42
  9. 108
  10. 45
  11. 46
  12. 35
  13. 81
  14. 55
  15. 44
  16. 104
  17. 35
  18. 43
  19. 38
  20. 51
  21. 111
  22. 48
  23. 62
  24. 68
  25. 74
  26. 29
  27. 55
  28. 43
  29. 35
  30. 29
  31. 119
  32. 31
  33. 54
  34. 38
  35. 61
  36. 32
  37. 44
  38. 81
  39. 40
  40. 66

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