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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 571 · 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 48. When one more number is added, the average becomes 53. What number was added?
  2. 2.The average of 5 numbers is 21. When one more number is added, the average becomes 27. What number was added?
  3. 3.Marks of 6 friends in a quiz: 63, 55, 56, 60, 66, 96. What is their average mark?
  4. 4.A shop sells an average of 59 kg of sugar a day for 5 days, and then 35 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  5. 5.A shop sells an average of 46 kg of sugar a day for 6 days, and then 35 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  6. 6.Isha’s batting average after 13 innings is 21 runs. How many runs must Isha score in the next innings to raise the average to 26?
  7. 7.Marks of 4 friends in a quiz: 44, 52, 25, 35. What is their average mark?
  8. 8.A shop sells an average of 79 kg of sugar a day for 2 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  9. 9.Marks of 4 friends in a quiz: 40, 32, 30, 38. What is their average mark?
  10. 10.The average weight of 8 children is 45 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 8 numbers is 23. When one more number is added, the average becomes 24. What number was added?
  12. 12.A shop sells an average of 76 kg of sugar a day for 2 days, and then 20 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  13. 13.A shop sells an average of 56 kg of sugar a day for 2 days, and then 68 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.Rahul’s batting average after 8 innings is 48 runs. How many runs must Rahul score in the next innings to raise the average to 52?
  15. 15.The average weight of 8 children is 39 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 6 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  17. 17.The average weight of 6 children is 36 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 39 kg of sugar a day for 4 days, and then 53 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  19. 19.A shop sells an average of 40 kg of sugar a day for 5 days, and then 32 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  20. 20.Marks of 6 friends in a quiz: 56, 47, 53, 39, 68, 61. What is their average mark?
  21. 21.Marks of 5 friends in a quiz: 85, 75, 66, 88, 86. What is their average mark?
  22. 22.Marks of 6 friends in a quiz: 79, 78, 73, 83, 75, 32. What is their average mark?
  23. 23.The average of 8 numbers is 52. When one more number is added, the average becomes 58. What number was added?
  24. 24.Nisha’s batting average after 15 innings is 46 runs. How many runs must Nisha score in the next innings to raise the average to 49?
  25. 25.Manav’s batting average after 7 innings is 49 runs. How many runs must Manav score in the next innings to raise the average to 50?
  26. 26.Saanvi’s batting average after 14 innings is 38 runs. How many runs must Saanvi score in the next innings to raise the average to 40?
  27. 27.The average weight of 7 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 5 friends in a quiz: 57, 61, 55, 38, 49. What is their average mark?
  29. 29.The average weight of 10 children is 30 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Marks of 4 friends in a quiz: 33, 46, 33, 72. What is their average mark?
  31. 31.A shop sells an average of 36 kg of sugar a day for 6 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  32. 32.Marks of 4 friends in a quiz: 39, 58, 42, 53. What is their average mark?
  33. 33.Sneha’s batting average after 7 innings is 38 runs. How many runs must Sneha score in the next innings to raise the average to 40?
  34. 34.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)?
  35. 35.The average weight of 5 children is 26 kg. One child, who weighs 30 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average weight of 12 children is 40 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.A shop sells an average of 25 kg of sugar a day for 5 days, and then 33 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.Marks of 6 friends in a quiz: 55, 70, 56, 42, 65, 48. What is their average mark?
  39. 39.The average of 7 numbers is 59. When one more number is added, the average becomes 61. What number was added?
  40. 40.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)?

Answer key

  1. 73
  2. 57
  3. 66
  4. 47
  5. 41
  6. 91
  7. 39
  8. 57
  9. 35
  10. 44
  11. 32
  12. 36
  13. 65
  14. 84
  15. 37
  16. 68
  17. 35
  18. 46
  19. 36
  20. 54
  21. 80
  22. 70
  23. 106
  24. 94
  25. 57
  26. 68
  27. 31
  28. 52
  29. 28
  30. 46
  31. 33
  32. 48
  33. 54
  34. 28
  35. 25
  36. 39
  37. 28
  38. 56
  39. 75
  40. 32

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