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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 337 · 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: 33, 35, 18, 39, 41, 8. What is their average mark?
  2. 2.Sneha’s batting average after 7 innings is 33 runs. How many runs must Sneha score in the next innings to raise the average to 37?
  3. 3.The average of 6 numbers is 45. When one more number is added, the average becomes 50. What number was added?
  4. 4.Marks of 5 friends in a quiz: 54, 30, 33, 50, 43. What is their average mark?
  5. 5.Zoya’s batting average after 13 innings is 47 runs. How many runs must Zoya score in the next innings to raise the average to 52?
  6. 6.Arjun’s batting average after 7 innings is 44 runs. How many runs must Arjun score in the next innings to raise the average to 47?
  7. 7.The average weight of 7 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.A shop sells an average of 21 kg of sugar a day for 3 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  9. 9.The average of 5 numbers is 41. When one more number is added, the average becomes 46. What number was added?
  10. 10.Marks of 4 friends in a quiz: 54, 56, 78, 88. What is their average mark?
  11. 11.The average weight of 9 children is 29 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 67 kg of sugar a day for 2 days, and then 27 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  13. 13.The average of 9 numbers is 36. When one more number is added, the average becomes 41. What number was added?
  14. 14.Priya’s batting average after 6 innings is 20 runs. How many runs must Priya score in the next innings to raise the average to 23?
  15. 15.Marks of 5 friends in a quiz: 40, 27, 15, 25, 28. What is their average mark?
  16. 16.The average weight of 12 children is 33 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Saanvi’s batting average after 8 innings is 35 runs. How many runs must Saanvi score in the next innings to raise the average to 39?
  18. 18.The average weight of 11 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 5 friends in a quiz: 56, 58, 37, 54, 55. What is their average mark?
  20. 20.Marks of 5 friends in a quiz: 88, 97, 90, 73, 87. What is their average mark?
  21. 21.The average of 8 numbers is 31. When one more number is added, the average becomes 37. What number was added?
  22. 22.The average of 4 numbers is 18. When one more number is added, the average becomes 24. What number was added?
  23. 23.A shop sells an average of 66 kg of sugar a day for 2 days, and then 76 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  24. 24.Tara’s batting average after 11 innings is 29 runs. How many runs must Tara score in the next innings to raise the average to 32?
  25. 25.The average of 8 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  26. 26.A shop sells an average of 51 kg of sugar a day for 6 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  27. 27.A shop sells an average of 20 kg of sugar a day for 3 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  28. 28.The average weight of 7 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average weight of 12 children is 31 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Marks of 6 friends in a quiz: 53, 30, 33, 55, 41, 28. What is their average mark?
  31. 31.The average weight of 6 children is 47 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 10 children is 31 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Rohan’s batting average after 13 innings is 47 runs. How many runs must Rohan score in the next innings to raise the average to 49?
  34. 34.Marks of 6 friends in a quiz: 54, 54, 56, 30, 42, 28. What is their average mark?
  35. 35.Arjun’s batting average after 9 innings is 46 runs. How many runs must Arjun score in the next innings to raise the average to 51?
  36. 36.Meera’s batting average after 14 innings is 42 runs. How many runs must Meera score in the next innings to raise the average to 46?
  37. 37.The average of 4 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  38. 38.The average of 7 numbers is 40. When one more number is added, the average becomes 45. What number was added?
  39. 39.The average of 8 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  40. 40.The average of 5 numbers is 46. When one more number is added, the average becomes 52. What number was added?

Answer key

  1. 29
  2. 65
  3. 80
  4. 42
  5. 117
  6. 68
  7. 29
  8. 28
  9. 71
  10. 69
  11. 27
  12. 47
  13. 86
  14. 41
  15. 27
  16. 31
  17. 71
  18. 31
  19. 52
  20. 87
  21. 85
  22. 48
  23. 72
  24. 65
  25. 79
  26. 58
  27. 22
  28. 26
  29. 29
  30. 40
  31. 45
  32. 29
  33. 75
  34. 44
  35. 96
  36. 102
  37. 46
  38. 80
  39. 61
  40. 82

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