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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 172 · 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.Tara’s batting average after 11 innings is 40 runs. How many runs must Tara score in the next innings to raise the average to 42?
  2. 2.Marks of 5 friends in a quiz: 65, 80, 70, 62, 58. What is their average mark?
  3. 3.Marks of 4 friends in a quiz: 35, 32, 35, 50. What is their average mark?
  4. 4.Marks of 4 friends in a quiz: 55, 60, 60, 21. What is their average mark?
  5. 5.Marks of 5 friends in a quiz: 38, 50, 55, 53, 54. What is their average mark?
  6. 6.The average of 5 numbers is 36. When one more number is added, the average becomes 41. What number was added?
  7. 7.The average of 5 numbers is 42. When one more number is added, the average becomes 47. What number was added?
  8. 8.The average of 9 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  9. 9.Marks of 4 friends in a quiz: 20, 13, 33, 42. What is their average mark?
  10. 10.Marks of 5 friends in a quiz: 88, 83, 101, 84, 84. What is their average mark?
  11. 11.The average of 5 numbers is 50. When one more number is added, the average becomes 56. What number was added?
  12. 12.Meera’s batting average after 5 innings is 24 runs. How many runs must Meera score in the next innings to raise the average to 26?
  13. 13.Diya’s batting average after 5 innings is 26 runs. How many runs must Diya score in the next innings to raise the average to 30?
  14. 14.Kabir’s batting average after 15 innings is 40 runs. How many runs must Kabir score in the next innings to raise the average to 41?
  15. 15.The average of 4 numbers is 37. When one more number is added, the average becomes 40. What number was added?
  16. 16.Marks of 5 friends in a quiz: 33, 40, 29, 45, 73. What is their average mark?
  17. 17.The average weight of 6 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Karan’s batting average after 11 innings is 25 runs. How many runs must Karan score in the next innings to raise the average to 29?
  19. 19.Marks of 5 friends in a quiz: 59, 76, 80, 52, 58. What is their average mark?
  20. 20.The average weight of 7 children is 35 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.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)?
  22. 22.A shop sells an average of 32 kg of sugar a day for 2 days, and then 52 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  23. 23.The average weight of 11 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 6 children is 40 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.A shop sells an average of 30 kg of sugar a day for 4 days, and then 24 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  26. 26.The average of 5 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  27. 27.Marks of 6 friends in a quiz: 57, 44, 48, 53, 40, 70. What is their average mark?
  28. 28.A shop sells an average of 79 kg of sugar a day for 5 days, and then 58 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  29. 29.A shop sells an average of 49 kg of sugar a day for 3 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  30. 30.A shop sells an average of 41 kg of sugar a day for 4 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  31. 31.Marks of 5 friends in a quiz: 68, 66, 56, 55, 70. What is their average mark?
  32. 32.The average of 8 numbers is 58. When one more number is added, the average becomes 62. What number was added?
  33. 33.A shop sells an average of 25 kg of sugar a day for 6 days, and then 67 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  34. 34.The average weight of 6 children is 31 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 4 friends in a quiz: 60, 65, 44, 55. What is their average mark?
  36. 36.The average weight of 8 children is 43 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Priya’s batting average after 13 innings is 45 runs. How many runs must Priya score in the next innings to raise the average to 47?
  38. 38.Marks of 6 friends in a quiz: 71, 70, 66, 49, 72, 56. What is their average mark?
  39. 39.The average of 7 numbers is 31. When one more number is added, the average becomes 33. What number was added?
  40. 40.The average weight of 5 children is 32 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 64
  2. 67
  3. 38
  4. 49
  5. 50
  6. 66
  7. 72
  8. 55
  9. 27
  10. 88
  11. 86
  12. 36
  13. 50
  14. 56
  15. 52
  16. 44
  17. 36
  18. 73
  19. 65
  20. 34
  21. 29
  22. 44
  23. 44
  24. 39
  25. 27
  26. 36
  27. 52
  28. 73
  29. 57
  30. 44
  31. 63
  32. 94
  33. 46
  34. 28
  35. 56
  36. 40
  37. 73
  38. 64
  39. 47
  40. 30

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