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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 696 · 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 5 friends in a quiz: 16, 27, 38, 38, 31. What is their average mark?
  2. 2.The average of 8 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  3. 3.Marks of 6 friends in a quiz: 52, 39, 29, 43, 28, 37. What is their average mark?
  4. 4.Marks of 5 friends in a quiz: 42, 19, 47, 46, 6. What is their average mark?
  5. 5.A shop sells an average of 41 kg of sugar a day for 6 days, and then 59 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  6. 6.A shop sells an average of 37 kg of sugar a day for 2 days, and then 25 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  7. 7.The average of 6 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  8. 8.The average of 6 numbers is 41. When one more number is added, the average becomes 44. What number was added?
  9. 9.The average weight of 8 children is 41 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 4 friends in a quiz: 91, 96, 95, 78. What is their average mark?
  11. 11.Marks of 4 friends in a quiz: 60, 37, 40, 71. What is their average mark?
  12. 12.A shop sells an average of 41 kg of sugar a day for 6 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  13. 13.The average weight of 8 children is 43 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 7 numbers is 41. When one more number is added, the average becomes 44. What number was added?
  15. 15.A shop sells an average of 20 kg of sugar a day for 4 days, and then 38 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  16. 16.The average weight of 10 children is 32 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 10 children is 47 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 6 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  19. 19.Marks of 5 friends in a quiz: 34, 56, 27, 32, 61. What is their average mark?
  20. 20.Farhan’s batting average after 8 innings is 26 runs. How many runs must Farhan score in the next innings to raise the average to 27?
  21. 21.The average of 5 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  22. 22.The average of 7 numbers is 26. When one more number is added, the average becomes 31. What number was added?
  23. 23.A shop sells an average of 32 kg of sugar a day for 3 days, and then 20 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  24. 24.The average of 5 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  25. 25.Nisha’s batting average after 15 innings is 26 runs. How many runs must Nisha score in the next innings to raise the average to 28?
  26. 26.The average of 9 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  27. 27.Vivaan’s batting average after 6 innings is 30 runs. How many runs must Vivaan score in the next innings to raise the average to 32?
  28. 28.The average weight of 9 children is 33 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 31 kg of sugar a day for 3 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.The average of 7 numbers is 59. When one more number is added, the average becomes 60. What number was added?
  31. 31.A shop sells an average of 22 kg of sugar a day for 4 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.Marks of 4 friends in a quiz: 80, 76, 53, 55. What is their average mark?
  33. 33.The average weight of 8 children is 47 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.A shop sells an average of 37 kg of sugar a day for 6 days, and then 31 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  35. 35.A shop sells an average of 43 kg of sugar a day for 4 days, and then 75 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  36. 36.A shop sells an average of 68 kg of sugar a day for 5 days, and then 32 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  37. 37.The average weight of 10 children is 42 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Aarav’s batting average after 10 innings is 36 runs. How many runs must Aarav score in the next innings to raise the average to 38?
  39. 39.Vivaan’s batting average after 13 innings is 38 runs. How many runs must Vivaan score in the next innings to raise the average to 43?
  40. 40.Meera’s batting average after 8 innings is 27 runs. How many runs must Meera score in the next innings to raise the average to 29?

Answer key

  1. 30
  2. 34
  3. 38
  4. 32
  5. 47
  6. 31
  7. 99
  8. 62
  9. 39
  10. 90
  11. 52
  12. 39
  13. 42
  14. 65
  15. 29
  16. 29
  17. 44
  18. 48
  19. 42
  20. 35
  21. 60
  22. 66
  23. 24
  24. 46
  25. 58
  26. 85
  27. 44
  28. 30
  29. 37
  30. 67
  31. 48
  32. 66
  33. 45
  34. 34
  35. 59
  36. 52
  37. 39
  38. 58
  39. 108
  40. 45

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