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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 612 · 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.A shop sells an average of 48 kg of sugar a day for 2 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  2. 2.Marks of 6 friends in a quiz: 47, 29, 51, 41, 27, 21. What is their average mark?
  3. 3.A shop sells an average of 59 kg of sugar a day for 2 days, and then 32 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.Marks of 4 friends in a quiz: 60, 76, 56, 72. What is their average mark?
  5. 5.Marks of 6 friends in a quiz: 70, 67, 82, 75, 78, 90. What is their average mark?
  6. 6.The average of 6 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  7. 7.Marks of 5 friends in a quiz: 35, 39, 36, 40, 5. What is their average mark?
  8. 8.The average of 9 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  9. 9.Tara’s batting average after 10 innings is 24 runs. How many runs must Tara score in the next innings to raise the average to 27?
  10. 10.Farhan’s batting average after 14 innings is 50 runs. How many runs must Farhan score in the next innings to raise the average to 52?
  11. 11.The average weight of 12 children is 38 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 5 friends in a quiz: 65, 47, 65, 56, 27. What is their average mark?
  13. 13.Aditya’s batting average after 6 innings is 31 runs. How many runs must Aditya score in the next innings to raise the average to 33?
  14. 14.Isha’s batting average after 15 innings is 20 runs. How many runs must Isha score in the next innings to raise the average to 23?
  15. 15.Marks of 4 friends in a quiz: 77, 88, 66, 93. What is their average mark?
  16. 16.Marks of 5 friends in a quiz: 30, 21, 37, 20, 47. What is their average mark?
  17. 17.The average of 5 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  18. 18.A shop sells an average of 32 kg of sugar a day for 6 days, and then 64 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  19. 19.The average weight of 5 children is 32 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average weight of 5 children is 30 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 6 friends in a quiz: 43, 34, 44, 55, 58, 36. What is their average mark?
  22. 22.Marks of 4 friends in a quiz: 54, 63, 75, 68. What is their average mark?
  23. 23.A shop sells an average of 41 kg of sugar a day for 5 days, and then 20 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  24. 24.The average of 6 numbers is 48. When one more number is added, the average becomes 49. What number was added?
  25. 25.The average of 8 numbers is 23. When one more number is added, the average becomes 26. What number was added?
  26. 26.Meera’s batting average after 7 innings is 21 runs. How many runs must Meera score in the next innings to raise the average to 24?
  27. 27.Marks of 6 friends in a quiz: 43, 18, 29, 20, 21, 43. What is their average mark?
  28. 28.The average of 9 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  29. 29.The average weight of 6 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Rahul’s batting average after 7 innings is 23 runs. How many runs must Rahul score in the next innings to raise the average to 24?
  31. 31.A shop sells an average of 74 kg of sugar a day for 2 days, and then 70 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.The average weight of 5 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average weight of 8 children is 47 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average of 5 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  35. 35.The average of 7 numbers is 45. When one more number is added, the average becomes 48. What number was added?
  36. 36.The average weight of 6 children is 28 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Kabir’s batting average after 13 innings is 22 runs. How many runs must Kabir score in the next innings to raise the average to 24?
  38. 38.A shop sells an average of 28 kg of sugar a day for 5 days, and then 54 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  39. 39.Marks of 5 friends in a quiz: 76, 66, 63, 67, 33. What is their average mark?
  40. 40.Marks of 6 friends in a quiz: 77, 54, 57, 66, 58, 60. What is their average mark?

Answer key

  1. 37
  2. 36
  3. 41
  4. 66
  5. 77
  6. 67
  7. 31
  8. 76
  9. 57
  10. 80
  11. 35
  12. 52
  13. 45
  14. 68
  15. 81
  16. 31
  17. 66
  18. 40
  19. 31
  20. 29
  21. 45
  22. 65
  23. 35
  24. 55
  25. 50
  26. 45
  27. 29
  28. 47
  29. 30
  30. 31
  31. 71
  32. 28
  33. 44
  34. 65
  35. 69
  36. 27
  37. 50
  38. 41
  39. 61
  40. 62

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