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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 116 · 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 72 kg of sugar a day for 5 days, and then 32 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  2. 2.A shop sells an average of 43 kg of sugar a day for 6 days, and then 32 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  3. 3.The average of 6 numbers is 56. When one more number is added, the average becomes 60. What number was added?
  4. 4.The average of 8 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  5. 5.Diya’s batting average after 14 innings is 37 runs. How many runs must Diya score in the next innings to raise the average to 38?
  6. 6.Marks of 6 friends in a quiz: 24, 20, 19, 25, 34, 76. What is their average mark?
  7. 7.The average weight of 11 children is 37 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.A shop sells an average of 49 kg of sugar a day for 6 days, and then 69 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  9. 9.The average of 6 numbers is 53. When one more number is added, the average becomes 54. What number was added?
  10. 10.The average of 8 numbers is 59. When one more number is added, the average becomes 61. What number was added?
  11. 11.A shop sells an average of 28 kg of sugar a day for 5 days, and then 46 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.Marks of 4 friends in a quiz: 80, 66, 59, 59. What is their average mark?
  13. 13.A shop sells an average of 23 kg of sugar a day for 6 days, and then 33 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  14. 14.Arjun’s batting average after 15 innings is 45 runs. How many runs must Arjun score in the next innings to raise the average to 46?
  15. 15.A shop sells an average of 71 kg of sugar a day for 4 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  16. 16.Manav’s batting average after 5 innings is 33 runs. How many runs must Manav score in the next innings to raise the average to 37?
  17. 17.The average of 4 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  18. 18.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)?
  19. 19.The average weight of 9 children is 35 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average weight of 12 children is 47 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Meera’s batting average after 15 innings is 25 runs. How many runs must Meera score in the next innings to raise the average to 27?
  22. 22.Marks of 4 friends in a quiz: 88, 102, 77, 93. What is their average mark?
  23. 23.A shop sells an average of 62 kg of sugar a day for 2 days, and then 71 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  24. 24.The average of 6 numbers is 48. When one more number is added, the average becomes 50. What number was added?
  25. 25.The average of 9 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  26. 26.The average of 6 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  27. 27.Marks of 4 friends in a quiz: 6, 19, 12, 43. What is their average mark?
  28. 28.A shop sells an average of 73 kg of sugar a day for 4 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.Karan’s batting average after 12 innings is 39 runs. How many runs must Karan score in the next innings to raise the average to 40?
  30. 30.The average of 4 numbers is 51. When one more number is added, the average becomes 57. What number was added?
  31. 31.Marks of 5 friends in a quiz: 83, 84, 67, 73, 43. What is their average mark?
  32. 32.The average of 8 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  33. 33.Marks of 6 friends in a quiz: 39, 37, 46, 35, 50, 63. What is their average mark?
  34. 34.The average weight of 7 children is 30 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 5 numbers is 57. When one more number is added, the average becomes 58. What number was added?
  36. 36.A shop sells an average of 62 kg of sugar a day for 3 days, and then 74 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.The average of 6 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  38. 38.Marks of 6 friends in a quiz: 76, 81, 56, 56, 59, 86. What is their average mark?
  39. 39.The average of 8 numbers is 43. When one more number is added, the average becomes 49. What number was added?
  40. 40.Marks of 4 friends in a quiz: 60, 76, 77, 67. What is their average mark?

Answer key

  1. 52
  2. 38
  3. 84
  4. 111
  5. 52
  6. 33
  7. 34
  8. 57
  9. 60
  10. 77
  11. 37
  12. 66
  13. 27
  14. 61
  15. 51
  16. 57
  17. 33
  18. 27
  19. 33
  20. 45
  21. 57
  22. 90
  23. 68
  24. 62
  25. 89
  26. 31
  27. 20
  28. 75
  29. 52
  30. 81
  31. 70
  32. 61
  33. 45
  34. 29
  35. 63
  36. 68
  37. 39
  38. 69
  39. 97
  40. 70

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