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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 608 · 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.Marks of 6 friends in a quiz: 98, 95, 86, 77, 90, 88. What is their average mark?
  2. 2.A shop sells an average of 49 kg of sugar a day for 3 days, and then 75 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  3. 3.Ananya’s batting average after 7 innings is 30 runs. How many runs must Ananya score in the next innings to raise the average to 31?
  4. 4.Marks of 5 friends in a quiz: 34, 18, 20, 26, 67. What is their average mark?
  5. 5.The average weight of 9 children is 30 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 7 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  7. 7.Marks of 4 friends in a quiz: 57, 58, 55, 6. What is their average mark?
  8. 8.The average of 8 numbers is 43. When one more number is added, the average becomes 45. What number was added?
  9. 9.Marks of 5 friends in a quiz: 33, 11, 6, 36, 19. What is their average mark?
  10. 10.The average of 9 numbers is 59. When one more number is added, the average becomes 60. What number was added?
  11. 11.Kavya’s batting average after 15 innings is 48 runs. How many runs must Kavya score in the next innings to raise the average to 52?
  12. 12.Marks of 4 friends in a quiz: 34, 14, 14, 22. What is their average mark?
  13. 13.Marks of 6 friends in a quiz: 59, 40, 49, 62, 51, 21. What is their average mark?
  14. 14.A shop sells an average of 67 kg of sugar a day for 2 days, and then 39 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  15. 15.A shop sells an average of 32 kg of sugar a day for 2 days, and then 80 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  16. 16.The average of 9 numbers is 18. When one more number is added, the average becomes 24. What number was added?
  17. 17.The average of 8 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  18. 18.Aditya’s batting average after 12 innings is 32 runs. How many runs must Aditya score in the next innings to raise the average to 37?
  19. 19.Rohan’s batting average after 13 innings is 25 runs. How many runs must Rohan score in the next innings to raise the average to 28?
  20. 20.A shop sells an average of 40 kg of sugar a day for 2 days, and then 73 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  21. 21.Ishaan’s batting average after 13 innings is 22 runs. How many runs must Ishaan score in the next innings to raise the average to 23?
  22. 22.Farhan’s batting average after 12 innings is 20 runs. How many runs must Farhan score in the next innings to raise the average to 23?
  23. 23.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 5 friends in a quiz: 43, 43, 42, 40, 22. What is their average mark?
  25. 25.The average of 9 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  26. 26.Marks of 4 friends in a quiz: 67, 76, 75, 86. What is their average mark?
  27. 27.A shop sells an average of 44 kg of sugar a day for 5 days, and then 56 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  28. 28.A shop sells an average of 68 kg of sugar a day for 5 days, and then 76 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.Marks of 5 friends in a quiz: 24, 23, 35, 42, 46. What is their average mark?
  30. 30.A shop sells an average of 30 kg of sugar a day for 2 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  31. 31.Marks of 6 friends in a quiz: 35, 56, 55, 39, 44, 53. What is their average mark?
  32. 32.Marks of 4 friends in a quiz: 56, 49, 54, 69. What is their average mark?
  33. 33.Karan’s batting average after 13 innings is 36 runs. How many runs must Karan score in the next innings to raise the average to 41?
  34. 34.Marks of 4 friends in a quiz: 37, 19, 7, 25. What is their average mark?
  35. 35.Kabir’s batting average after 14 innings is 28 runs. How many runs must Kabir score in the next innings to raise the average to 32?
  36. 36.The average of 7 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  37. 37.The average weight of 8 children is 44 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Ishaan’s batting average after 5 innings is 44 runs. How many runs must Ishaan score in the next innings to raise the average to 48?
  39. 39.The average weight of 9 children is 28 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 4 friends in a quiz: 28, 21, 45, 46. What is their average mark?

Answer key

  1. 89
  2. 62
  3. 38
  4. 33
  5. 27
  6. 73
  7. 44
  8. 61
  9. 21
  10. 69
  11. 112
  12. 21
  13. 47
  14. 53
  15. 56
  16. 78
  17. 36
  18. 97
  19. 67
  20. 62
  21. 36
  22. 59
  23. 38
  24. 38
  25. 47
  26. 76
  27. 50
  28. 71
  29. 34
  30. 39
  31. 47
  32. 57
  33. 106
  34. 22
  35. 88
  36. 49
  37. 41
  38. 68
  39. 26
  40. 35

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