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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 680 · 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 5 numbers is 60. When one more number is added, the average becomes 62. What number was added?
  2. 2.The average weight of 9 children is 26 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Ananya’s batting average after 9 innings is 30 runs. How many runs must Ananya score in the next innings to raise the average to 32?
  4. 4.The average weight of 8 children is 47 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 5 friends in a quiz: 25, 29, 24, 32, 75. What is their average mark?
  6. 6.The average weight of 12 children is 44 kg. One child, who weighs 77 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Aarav’s batting average after 15 innings is 28 runs. How many runs must Aarav score in the next innings to raise the average to 32?
  8. 8.Marks of 4 friends in a quiz: 39, 35, 31, 39. What is their average mark?
  9. 9.Marks of 4 friends in a quiz: 64, 41, 61, 58. What is their average mark?
  10. 10.The average of 9 numbers is 27. When one more number is added, the average becomes 32. What number was added?
  11. 11.Marks of 4 friends in a quiz: 54, 41, 30, 35. What is their average mark?
  12. 12.The average weight of 12 children is 32 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Kabir’s batting average after 7 innings is 33 runs. How many runs must Kabir score in the next innings to raise the average to 34?
  14. 14.Rohan’s batting average after 14 innings is 26 runs. How many runs must Rohan score in the next innings to raise the average to 29?
  15. 15.Marks of 5 friends in a quiz: 48, 61, 37, 61, 43. What is their average mark?
  16. 16.Marks of 6 friends in a quiz: 40, 29, 15, 34, 37, 13. What is their average mark?
  17. 17.Arjun’s batting average after 11 innings is 41 runs. How many runs must Arjun score in the next innings to raise the average to 43?
  18. 18.Marks of 6 friends in a quiz: 88, 86, 83, 66, 84, 61. What is their average mark?
  19. 19.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)?
  20. 20.The average weight of 6 children is 44 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 6 friends in a quiz: 74, 60, 53, 52, 63, 76. What is their average mark?
  22. 22.A shop sells an average of 43 kg of sugar a day for 3 days, and then 61 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  23. 23.The average weight of 5 children is 48 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 4 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  25. 25.The average of 6 numbers is 15. When one more number is added, the average becomes 21. What number was added?
  26. 26.Marks of 4 friends in a quiz: 42, 52, 44, 22. What is their average mark?
  27. 27.The average weight of 10 children is 38 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Rohan’s batting average after 11 innings is 44 runs. How many runs must Rohan score in the next innings to raise the average to 47?
  29. 29.The average of 8 numbers is 42. When one more number is added, the average becomes 47. What number was added?
  30. 30.The average of 8 numbers is 59. When one more number is added, the average becomes 60. What number was added?
  31. 31.Marks of 6 friends in a quiz: 46, 23, 24, 22, 48, 35. What is their average mark?
  32. 32.Marks of 4 friends in a quiz: 16, 36, 35, 37. What is their average mark?
  33. 33.Arjun’s batting average after 5 innings is 33 runs. How many runs must Arjun score in the next innings to raise the average to 34?
  34. 34.Marks of 4 friends in a quiz: 92, 84, 91, 65. What is their average mark?
  35. 35.Priya’s batting average after 10 innings is 40 runs. How many runs must Priya score in the next innings to raise the average to 44?
  36. 36.Marks of 4 friends in a quiz: 18, 32, 16, 42. What is their average mark?
  37. 37.A shop sells an average of 33 kg of sugar a day for 4 days, and then 58 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  38. 38.The average of 7 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  39. 39.A shop sells an average of 33 kg of sugar a day for 2 days, and then 66 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.Diya’s batting average after 6 innings is 35 runs. How many runs must Diya score in the next innings to raise the average to 40?

Answer key

  1. 72
  2. 25
  3. 50
  4. 44
  5. 37
  6. 41
  7. 92
  8. 36
  9. 56
  10. 77
  11. 40
  12. 31
  13. 41
  14. 71
  15. 50
  16. 28
  17. 65
  18. 78
  19. 35
  20. 43
  21. 63
  22. 55
  23. 45
  24. 47
  25. 57
  26. 40
  27. 36
  28. 80
  29. 87
  30. 68
  31. 33
  32. 31
  33. 39
  34. 83
  35. 84
  36. 27
  37. 48
  38. 87
  39. 55
  40. 70

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