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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 651 · 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.Arjun’s batting average after 14 innings is 25 runs. How many runs must Arjun score in the next innings to raise the average to 29?
  2. 2.A shop sells an average of 53 kg of sugar a day for 6 days, and then 25 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.The average of 4 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  4. 4.The average of 4 numbers is 36. When one more number is added, the average becomes 42. What number was added?
  5. 5.A shop sells an average of 41 kg of sugar a day for 2 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.The average of 8 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  7. 7.The average weight of 10 children is 42 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average of 6 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  9. 9.A shop sells an average of 23 kg of sugar a day for 2 days, and then 38 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  10. 10.The average of 5 numbers is 45. When one more number is added, the average becomes 46. What number was added?
  11. 11.Rohan’s batting average after 14 innings is 23 runs. How many runs must Rohan score in the next innings to raise the average to 28?
  12. 12.The average weight of 5 children is 37 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Marks of 4 friends in a quiz: 67, 96, 93, 72. What is their average mark?
  14. 14.The average of 5 numbers is 57. When one more number is added, the average becomes 58. What number was added?
  15. 15.The average weight of 8 children is 35 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 5 friends in a quiz: 70, 55, 70, 52, 43. What is their average mark?
  17. 17.Farhan’s batting average after 13 innings is 42 runs. How many runs must Farhan score in the next innings to raise the average to 43?
  18. 18.The average weight of 9 children is 27 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 4 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  20. 20.Marks of 6 friends in a quiz: 18, 23, 26, 18, 29, 84. What is their average mark?
  21. 21.The average of 4 numbers is 20. When one more number is added, the average becomes 22. What number was added?
  22. 22.The average weight of 5 children is 33 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 5 friends in a quiz: 37, 32, 50, 34, 57. What is their average mark?
  24. 24.The average of 7 numbers is 32. When one more number is added, the average becomes 37. What number was added?
  25. 25.The average of 8 numbers is 22. When one more number is added, the average becomes 27. What number was added?
  26. 26.Marks of 5 friends in a quiz: 88, 72, 96, 90, 69. What is their average mark?
  27. 27.The average of 6 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  28. 28.Marks of 5 friends in a quiz: 48, 53, 51, 55, 28. What is their average mark?
  29. 29.Marks of 4 friends in a quiz: 96, 90, 78, 88. What is their average mark?
  30. 30.The average weight of 6 children is 37 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.A shop sells an average of 43 kg of sugar a day for 3 days, and then 51 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.Arjun’s batting average after 15 innings is 25 runs. How many runs must Arjun score in the next innings to raise the average to 29?
  33. 33.The average of 8 numbers is 36. When one more number is added, the average becomes 41. What number was added?
  34. 34.Marks of 5 friends in a quiz: 65, 76, 59, 65, 45. What is their average mark?
  35. 35.The average of 8 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  36. 36.The average of 5 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  37. 37.Marks of 5 friends in a quiz: 61, 57, 78, 74, 70. What is their average mark?
  38. 38.The average weight of 11 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 32 kg of sugar a day for 6 days, and then 22 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  40. 40.A shop sells an average of 34 kg of sugar a day for 6 days, and then 64 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?

Answer key

  1. 85
  2. 46
  3. 41
  4. 66
  5. 32
  6. 83
  7. 41
  8. 45
  9. 32
  10. 51
  11. 98
  12. 36
  13. 82
  14. 63
  15. 34
  16. 58
  17. 56
  18. 25
  19. 42
  20. 33
  21. 30
  22. 31
  23. 42
  24. 72
  25. 67
  26. 83
  27. 27
  28. 47
  29. 88
  30. 34
  31. 48
  32. 89
  33. 81
  34. 62
  35. 45
  36. 58
  37. 68
  38. 44
  39. 27
  40. 44

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