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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 371 · 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 22. When one more number is added, the average becomes 27. What number was added?
  2. 2.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)?
  3. 3.Kavya’s batting average after 7 innings is 23 runs. How many runs must Kavya score in the next innings to raise the average to 26?
  4. 4.The average weight of 5 children is 38 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.A shop sells an average of 67 kg of sugar a day for 6 days, and then 31 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  6. 6.The average weight of 8 children is 31 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Marks of 4 friends in a quiz: 84, 86, 72, 62. What is their average mark?
  8. 8.Marks of 5 friends in a quiz: 39, 40, 35, 52, 84. What is their average mark?
  9. 9.The average of 9 numbers is 54. When one more number is added, the average becomes 59. What number was added?
  10. 10.Priya’s batting average after 9 innings is 43 runs. How many runs must Priya score in the next innings to raise the average to 46?
  11. 11.The average of 8 numbers is 36. When one more number is added, the average becomes 42. What number was added?
  12. 12.A shop sells an average of 68 kg of sugar a day for 6 days, and then 32 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  13. 13.The average weight of 9 children is 40 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Aarav’s batting average after 11 innings is 48 runs. How many runs must Aarav score in the next innings to raise the average to 52?
  15. 15.The average of 6 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  16. 16.The average of 7 numbers is 58. When one more number is added, the average becomes 60. What number was added?
  17. 17.The average of 6 numbers is 50. When one more number is added, the average becomes 53. What number was added?
  18. 18.The average weight of 5 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average weight of 6 children is 33 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Aarav’s batting average after 14 innings is 44 runs. How many runs must Aarav score in the next innings to raise the average to 45?
  21. 21.The average weight of 9 children is 30 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average weight of 5 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 4 friends in a quiz: 26, 30, 27, 69. What is their average mark?
  24. 24.Kabir’s batting average after 7 innings is 42 runs. How many runs must Kabir score in the next innings to raise the average to 46?
  25. 25.Marks of 6 friends in a quiz: 30, 30, 57, 36, 42, 75. What is their average mark?
  26. 26.The average of 7 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  27. 27.A shop sells an average of 20 kg of sugar a day for 2 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  28. 28.Karan’s batting average after 10 innings is 22 runs. How many runs must Karan score in the next innings to raise the average to 27?
  29. 29.Marks of 6 friends in a quiz: 46, 72, 67, 60, 65, 56. What is their average mark?
  30. 30.The average of 4 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  31. 31.The average of 6 numbers is 33. When one more number is added, the average becomes 36. What number was added?
  32. 32.A shop sells an average of 65 kg of sugar a day for 2 days, and then 30 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  33. 33.The average weight of 12 children is 28 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average weight of 6 children is 41 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 5 numbers is 59. When one more number is added, the average becomes 63. What number was added?
  36. 36.Marks of 6 friends in a quiz: 83, 82, 58, 80, 83, 52. What is their average mark?
  37. 37.The average weight of 6 children is 43 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 4 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  39. 39.A shop sells an average of 44 kg of sugar a day for 3 days, and then 68 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  40. 40.Marks of 5 friends in a quiz: 56, 67, 56, 62, 24. What is their average mark?

Answer key

  1. 57
  2. 27
  3. 47
  4. 37
  5. 55
  6. 28
  7. 76
  8. 50
  9. 104
  10. 73
  11. 90
  12. 50
  13. 38
  14. 96
  15. 26
  16. 74
  17. 71
  18. 41
  19. 32
  20. 59
  21. 28
  22. 28
  23. 38
  24. 74
  25. 45
  26. 60
  27. 26
  28. 77
  29. 61
  30. 27
  31. 54
  32. 40
  33. 25
  34. 40
  35. 83
  36. 73
  37. 41
  38. 47
  39. 59
  40. 53

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