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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 241 · 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 79 kg of sugar a day for 2 days, and then 27 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  2. 2.The average of 6 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  3. 3.The average of 7 numbers is 24. When one more number is added, the average becomes 28. What number was added?
  4. 4.Marks of 6 friends in a quiz: 59, 61, 80, 58, 68, 88. What is their average mark?
  5. 5.Marks of 4 friends in a quiz: 33, 20, 34, 21. What is their average mark?
  6. 6.Marks of 4 friends in a quiz: 84, 78, 101, 93. What is their average mark?
  7. 7.Marks of 5 friends in a quiz: 80, 88, 95, 69, 88. What is their average mark?
  8. 8.Rahul’s batting average after 12 innings is 29 runs. How many runs must Rahul score in the next innings to raise the average to 30?
  9. 9.The average of 6 numbers is 22. When one more number is added, the average becomes 28. What number was added?
  10. 10.The average weight of 7 children is 37 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.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)?
  12. 12.Kabir’s batting average after 15 innings is 21 runs. How many runs must Kabir score in the next innings to raise the average to 23?
  13. 13.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)?
  14. 14.Marks of 6 friends in a quiz: 67, 72, 74, 53, 80, 56. What is their average mark?
  15. 15.Marks of 5 friends in a quiz: 67, 55, 68, 66, 34. What is their average mark?
  16. 16.The average of 6 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  17. 17.The average of 5 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  18. 18.The average of 9 numbers is 56. When one more number is added, the average becomes 59. What number was added?
  19. 19.The average weight of 5 children is 41 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 5 numbers is 50. When one more number is added, the average becomes 55. What number was added?
  21. 21.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)?
  22. 22.A shop sells an average of 30 kg of sugar a day for 2 days, and then 58 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  23. 23.The average weight of 10 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 4 friends in a quiz: 8, 30, 18, 24. What is their average mark?
  25. 25.The average weight of 6 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 4 friends in a quiz: 51, 78, 74, 61. What is their average mark?
  27. 27.A shop sells an average of 20 kg of sugar a day for 6 days, and then 56 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  28. 28.Marks of 4 friends in a quiz: 23, 17, 34, 22. What is their average mark?
  29. 29.The average of 7 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  30. 30.The average of 8 numbers is 56. When one more number is added, the average becomes 59. What number was added?
  31. 31.Marks of 4 friends in a quiz: 68, 60, 51, 53. What is their average mark?
  32. 32.Marks of 4 friends in a quiz: 41, 33, 39, 55. What is their average mark?
  33. 33.A shop sells an average of 60 kg of sugar a day for 6 days, and then 78 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 of 7 numbers is 19. When one more number is added, the average becomes 21. What number was added?
  35. 35.Saanvi’s batting average after 11 innings is 23 runs. How many runs must Saanvi score in the next innings to raise the average to 28?
  36. 36.The average of 8 numbers is 49. When one more number is added, the average becomes 52. What number was added?
  37. 37.The average weight of 9 children is 38 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.A shop sells an average of 25 kg of sugar a day for 5 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  39. 39.Marks of 6 friends in a quiz: 45, 51, 37, 50, 29, 10. What is their average mark?
  40. 40.Marks of 4 friends in a quiz: 57, 63, 57, 67. What is their average mark?

Answer key

  1. 40
  2. 73
  3. 56
  4. 69
  5. 27
  6. 89
  7. 84
  8. 42
  9. 64
  10. 34
  11. 30
  12. 53
  13. 42
  14. 67
  15. 58
  16. 68
  17. 34
  18. 86
  19. 40
  20. 80
  21. 27
  22. 44
  23. 27
  24. 20
  25. 26
  26. 66
  27. 32
  28. 24
  29. 37
  30. 83
  31. 58
  32. 42
  33. 69
  34. 35
  35. 83
  36. 76
  37. 35
  38. 35
  39. 37
  40. 61

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