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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 346 · 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: 73, 60, 64, 63, 71, 35. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 21, 47, 46, 18. What is their average mark?
  3. 3.Marks of 6 friends in a quiz: 58, 43, 38, 34, 37, 66. What is their average mark?
  4. 4.A shop sells an average of 31 kg of sugar a day for 2 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  5. 5.Marks of 6 friends in a quiz: 11, 32, 38, 18, 33, 18. What is their average mark?
  6. 6.Kabir’s batting average after 6 innings is 27 runs. How many runs must Kabir score in the next innings to raise the average to 28?
  7. 7.Marks of 4 friends in a quiz: 80, 54, 55, 79. What is their average mark?
  8. 8.Karan’s batting average after 6 innings is 37 runs. How many runs must Karan score in the next innings to raise the average to 41?
  9. 9.The average weight of 8 children is 44 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.A shop sells an average of 71 kg of sugar a day for 5 days, and then 61 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  11. 11.A shop sells an average of 25 kg of sugar a day for 6 days, and then 65 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.The average of 5 numbers is 49. When one more number is added, the average becomes 52. What number was added?
  13. 13.Marks of 5 friends in a quiz: 50, 46, 48, 53, 98. What is their average mark?
  14. 14.Priya’s batting average after 10 innings is 43 runs. How many runs must Priya score in the next innings to raise the average to 46?
  15. 15.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)?
  16. 16.Rahul’s batting average after 7 innings is 40 runs. How many runs must Rahul score in the next innings to raise the average to 42?
  17. 17.Farhan’s batting average after 10 innings is 25 runs. How many runs must Farhan score in the next innings to raise the average to 26?
  18. 18.A shop sells an average of 23 kg of sugar a day for 2 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  19. 19.The average of 6 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  20. 20.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)?
  21. 21.A shop sells an average of 55 kg of sugar a day for 5 days, and then 45 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  22. 22.The average weight of 9 children is 33 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 5 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 63 kg of sugar a day for 2 days, and then 28 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  25. 25.Marks of 4 friends in a quiz: 32, 40, 52, 24. What is their average mark?
  26. 26.The average of 7 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  27. 27.Ishaan’s batting average after 14 innings is 31 runs. How many runs must Ishaan score in the next innings to raise the average to 34?
  28. 28.The average of 5 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  29. 29.The average of 4 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  30. 30.Ishaan’s batting average after 14 innings is 23 runs. How many runs must Ishaan score in the next innings to raise the average to 26?
  31. 31.The average weight of 5 children is 40 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Isha’s batting average after 9 innings is 34 runs. How many runs must Isha score in the next innings to raise the average to 35?
  33. 33.The average of 5 numbers is 47. When one more number is added, the average becomes 52. What number was added?
  34. 34.Marks of 6 friends in a quiz: 43, 33, 26, 34, 51, 29. What is their average mark?
  35. 35.A shop sells an average of 24 kg of sugar a day for 3 days, and then 72 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  36. 36.Marks of 4 friends in a quiz: 6, 19, 33, 22. What is their average mark?
  37. 37.Marks of 6 friends in a quiz: 28, 44, 26, 27, 29, 56. What is their average mark?
  38. 38.The average of 7 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  39. 39.A shop sells an average of 40 kg of sugar a day for 3 days, and then 58 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.A shop sells an average of 34 kg of sugar a day for 2 days, and then 62 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?

Answer key

  1. 61
  2. 33
  3. 46
  4. 39
  5. 25
  6. 34
  7. 67
  8. 65
  9. 41
  10. 66
  11. 41
  12. 67
  13. 59
  14. 76
  15. 35
  16. 56
  17. 36
  18. 30
  19. 42
  20. 29
  21. 50
  22. 31
  23. 27
  24. 42
  25. 37
  26. 65
  27. 76
  28. 35
  29. 61
  30. 68
  31. 37
  32. 44
  33. 77
  34. 36
  35. 54
  36. 20
  37. 35
  38. 77
  39. 49
  40. 54

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