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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 300 · 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 22. When one more number is added, the average becomes 26. What number was added?
  2. 2.A shop sells an average of 76 kg of sugar a day for 3 days, and then 30 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  3. 3.The average weight of 11 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 4 numbers is 40. When one more number is added, the average becomes 46. What number was added?
  5. 5.A shop sells an average of 42 kg of sugar a day for 4 days, and then 33 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.The average weight of 8 children is 27 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 6 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  8. 8.A shop sells an average of 29 kg of sugar a day for 2 days, and then 22 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  9. 9.A shop sells an average of 76 kg of sugar a day for 2 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  10. 10.Saanvi’s batting average after 7 innings is 50 runs. How many runs must Saanvi score in the next innings to raise the average to 55?
  11. 11.Marks of 4 friends in a quiz: 47, 75, 62, 56. What is their average mark?
  12. 12.Marks of 4 friends in a quiz: 54, 62, 60, 28. What is their average mark?
  13. 13.The average of 8 numbers is 34. When one more number is added, the average becomes 35. What number was added?
  14. 14.A shop sells an average of 64 kg of sugar a day for 4 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.The average of 9 numbers is 57. When one more number is added, the average becomes 60. What number was added?
  16. 16.The average weight of 10 children is 33 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 6 friends in a quiz: 31, 52, 34, 42, 55, 26. What is their average mark?
  18. 18.The average of 8 numbers is 31. When one more number is added, the average becomes 35. What number was added?
  19. 19.Meera’s batting average after 6 innings is 21 runs. How many runs must Meera score in the next innings to raise the average to 26?
  20. 20.The average of 5 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  21. 21.The average of 4 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  22. 22.Nisha’s batting average after 6 innings is 20 runs. How many runs must Nisha score in the next innings to raise the average to 22?
  23. 23.Pooja’s batting average after 8 innings is 37 runs. How many runs must Pooja score in the next innings to raise the average to 40?
  24. 24.The average weight of 7 children is 42 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 11 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 5 numbers is 58. When one more number is added, the average becomes 64. What number was added?
  27. 27.The average of 6 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  28. 28.The average weight of 8 children is 44 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average weight of 5 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Nisha’s batting average after 6 innings is 40 runs. How many runs must Nisha score in the next innings to raise the average to 42?
  31. 31.The average of 4 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  32. 32.The average of 8 numbers is 46. When one more number is added, the average becomes 48. What number was added?
  33. 33.Marks of 5 friends in a quiz: 66, 63, 46, 46, 44. What is their average mark?
  34. 34.Marks of 4 friends in a quiz: 61, 64, 56, 31. What is their average mark?
  35. 35.Aditya’s batting average after 7 innings is 45 runs. How many runs must Aditya score in the next innings to raise the average to 49?
  36. 36.A shop sells an average of 20 kg of sugar a day for 4 days, and then 30 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  37. 37.The average weight of 12 children is 39 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 11 children is 36 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 4 friends in a quiz: 48, 18, 31, 35. What is their average mark?
  40. 40.The average of 9 numbers is 56. When one more number is added, the average becomes 61. What number was added?

Answer key

  1. 58
  2. 53
  3. 28
  4. 70
  5. 39
  6. 26
  7. 50
  8. 24
  9. 74
  10. 90
  11. 60
  12. 51
  13. 43
  14. 52
  15. 87
  16. 30
  17. 40
  18. 67
  19. 56
  20. 41
  21. 32
  22. 34
  23. 64
  24. 40
  25. 35
  26. 94
  27. 32
  28. 42
  29. 39
  30. 54
  31. 35
  32. 64
  33. 53
  34. 53
  35. 77
  36. 26
  37. 37
  38. 34
  39. 33
  40. 106

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