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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 459 · 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.The average of 6 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  2. 2.Karan’s batting average after 8 innings is 40 runs. How many runs must Karan score in the next innings to raise the average to 44?
  3. 3.A shop sells an average of 45 kg of sugar a day for 4 days, and then 23 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  4. 4.Marks of 4 friends in a quiz: 55, 58, 59, 24. What is their average mark?
  5. 5.Tara’s batting average after 7 innings is 50 runs. How many runs must Tara score in the next innings to raise the average to 55?
  6. 6.The average of 4 numbers is 45. When one more number is added, the average becomes 48. What number was added?
  7. 7.A shop sells an average of 71 kg of sugar a day for 4 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  8. 8.The average of 5 numbers is 49. When one more number is added, the average becomes 55. What number was added?
  9. 9.A shop sells an average of 22 kg of sugar a day for 4 days, and then 46 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  10. 10.The average weight of 8 children is 28 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 6 friends in a quiz: 30, 26, 38, 10, 25, 21. What is their average mark?
  12. 12.A shop sells an average of 24 kg of sugar a day for 2 days, and then 78 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  13. 13.The average of 6 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  14. 14.Marks of 4 friends in a quiz: 63, 63, 62, 16. What is their average mark?
  15. 15.The average weight of 7 children is 45 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 7 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  17. 17.A shop sells an average of 31 kg of sugar a day for 3 days, and then 56 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  18. 18.Marks of 6 friends in a quiz: 68, 65, 63, 80, 57, 75. What is their average mark?
  19. 19.The average of 6 numbers is 21. When one more number is added, the average becomes 24. What number was added?
  20. 20.Marks of 5 friends in a quiz: 65, 74, 73, 58, 85. What is their average mark?
  21. 21.The average of 8 numbers is 56. When one more number is added, the average becomes 59. What number was added?
  22. 22.The average weight of 9 children is 45 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average of 4 numbers is 55. When one more number is added, the average becomes 61. What number was added?
  24. 24.Marks of 5 friends in a quiz: 20, 20, 12, 15, 38. What is their average mark?
  25. 25.The average of 5 numbers is 56. When one more number is added, the average becomes 62. What number was added?
  26. 26.A shop sells an average of 61 kg of sugar a day for 5 days, and then 71 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  27. 27.The average of 5 numbers is 55. When one more number is added, the average becomes 61. What number was added?
  28. 28.Marks of 4 friends in a quiz: 35, 45, 24, 24. What is their average mark?
  29. 29.The average of 6 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  30. 30.The average of 4 numbers is 38. When one more number is added, the average becomes 42. What number was added?
  31. 31.Kabir’s batting average after 13 innings is 45 runs. How many runs must Kabir score in the next innings to raise the average to 47?
  32. 32.The average weight of 6 children is 41 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 5 friends in a quiz: 50, 53, 60, 44, 83. What is their average mark?
  34. 34.Marks of 5 friends in a quiz: 29, 55, 39, 38, 44. What is their average mark?
  35. 35.The average of 9 numbers is 46. When one more number is added, the average becomes 47. What number was added?
  36. 36.Marks of 5 friends in a quiz: 77, 83, 79, 78, 48. What is their average mark?
  37. 37.Marks of 4 friends in a quiz: 52, 53, 47, 96. What is their average mark?
  38. 38.Marks of 6 friends in a quiz: 61, 41, 53, 48, 47, 74. What is their average mark?
  39. 39.The average weight of 10 children is 30 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average of 8 numbers is 22. When one more number is added, the average becomes 24. What number was added?

Answer key

  1. 55
  2. 76
  3. 34
  4. 49
  5. 90
  6. 60
  7. 69
  8. 85
  9. 34
  10. 26
  11. 25
  12. 51
  13. 31
  14. 51
  15. 43
  16. 78
  17. 41
  18. 68
  19. 42
  20. 71
  21. 83
  22. 44
  23. 85
  24. 21
  25. 92
  26. 66
  27. 91
  28. 32
  29. 41
  30. 58
  31. 73
  32. 39
  33. 58
  34. 41
  35. 56
  36. 73
  37. 62
  38. 54
  39. 27
  40. 40

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