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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 579 · 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 7 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  2. 2.Marks of 4 friends in a quiz: 77, 92, 80, 63. What is their average mark?
  3. 3.Arjun’s batting average after 5 innings is 25 runs. How many runs must Arjun score in the next innings to raise the average to 27?
  4. 4.Ananya’s batting average after 15 innings is 21 runs. How many runs must Ananya score in the next innings to raise the average to 22?
  5. 5.Marks of 4 friends in a quiz: 53, 56, 50, 69. What is their average mark?
  6. 6.A shop sells an average of 77 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)?
  7. 7.The average weight of 7 children is 35 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 6 friends in a quiz: 63, 70, 74, 75, 87, 93. What is their average mark?
  9. 9.Marks of 6 friends in a quiz: 47, 36, 37, 45, 36, 9. What is their average mark?
  10. 10.Marks of 5 friends in a quiz: 54, 62, 47, 62, 85. What is their average mark?
  11. 11.The average of 5 numbers is 60. When one more number is added, the average becomes 66. What number was added?
  12. 12.The average weight of 7 children is 26 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Marks of 4 friends in a quiz: 33, 21, 29, 45. What is their average mark?
  14. 14.The average of 4 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  15. 15.The average weight of 6 children is 29 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Rahul’s batting average after 6 innings is 43 runs. How many runs must Rahul score in the next innings to raise the average to 45?
  17. 17.Marks of 5 friends in a quiz: 70, 83, 71, 83, 43. What is their average mark?
  18. 18.The average weight of 11 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 5 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  20. 20.Marks of 4 friends in a quiz: 46, 35, 27, 20. What is their average mark?
  21. 21.A shop sells an average of 40 kg of sugar a day for 2 days, and then 26 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  22. 22.Marks of 6 friends in a quiz: 53, 48, 26, 43, 34, 24. What is their average mark?
  23. 23.A shop sells an average of 36 kg of sugar a day for 4 days, and then 54 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.Marks of 4 friends in a quiz: 57, 51, 41, 55. What is their average mark?
  25. 25.The average of 5 numbers is 33. When one more number is added, the average becomes 36. What number was added?
  26. 26.Marks of 5 friends in a quiz: 23, 12, 16, 18, 41. What is their average mark?
  27. 27.Marks of 6 friends in a quiz: 9, 8, 11, 29, 16, 47. What is their average mark?
  28. 28.Marks of 5 friends in a quiz: 69, 66, 64, 79, 47. What is their average mark?
  29. 29.Sneha’s batting average after 7 innings is 29 runs. How many runs must Sneha score in the next innings to raise the average to 34?
  30. 30.Marks of 5 friends in a quiz: 65, 78, 52, 72, 68. What is their average mark?
  31. 31.The average of 4 numbers is 30. When one more number is added, the average becomes 32. What number was added?
  32. 32.Marks of 4 friends in a quiz: 23, 33, 27, 57. What is their average mark?
  33. 33.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)?
  34. 34.A shop sells an average of 34 kg of sugar a day for 4 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.Meera’s batting average after 12 innings is 21 runs. How many runs must Meera score in the next innings to raise the average to 26?
  36. 36.The average weight of 7 children is 44 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Priya’s batting average after 7 innings is 31 runs. How many runs must Priya score in the next innings to raise the average to 35?
  38. 38.The average weight of 6 children is 31 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average weight of 8 children is 38 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average of 7 numbers is 36. When one more number is added, the average becomes 41. What number was added?

Answer key

  1. 59
  2. 78
  3. 37
  4. 37
  5. 57
  6. 76
  7. 32
  8. 77
  9. 35
  10. 62
  11. 96
  12. 25
  13. 32
  14. 74
  15. 26
  16. 57
  17. 70
  18. 31
  19. 44
  20. 32
  21. 30
  22. 38
  23. 45
  24. 51
  25. 51
  26. 22
  27. 20
  28. 65
  29. 69
  30. 67
  31. 40
  32. 35
  33. 44
  34. 55
  35. 86
  36. 43
  37. 63
  38. 28
  39. 35
  40. 76

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