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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 249 · 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.A shop sells an average of 50 kg of sugar a day for 6 days, and then 78 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  2. 2.A shop sells an average of 35 kg of sugar a day for 2 days, and then 43 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.Marks of 4 friends in a quiz: 48, 24, 27, 53. What is their average mark?
  4. 4.The average of 5 numbers is 59. When one more number is added, the average becomes 64. What number was added?
  5. 5.The average of 7 numbers is 33. When one more number is added, the average becomes 39. What number was added?
  6. 6.The average of 4 numbers is 40. When one more number is added, the average becomes 46. What number was added?
  7. 7.Marks of 5 friends in a quiz: 56, 52, 52, 68, 37. What is their average mark?
  8. 8.The average weight of 7 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 5 friends in a quiz: 32, 56, 55, 34, 58. What is their average mark?
  10. 10.The average of 9 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  11. 11.A shop sells an average of 52 kg of sugar a day for 3 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  12. 12.The average of 5 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  13. 13.The average weight of 11 children is 41 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 8 numbers is 34. When one more number is added, the average becomes 38. What number was added?
  15. 15.Marks of 6 friends in a quiz: 31, 38, 43, 33, 29, 90. What is their average mark?
  16. 16.The average weight of 11 children is 38 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 9 children is 36 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 4 friends in a quiz: 44, 29, 23, 52. What is their average mark?
  19. 19.Marks of 6 friends in a quiz: 86, 93, 71, 72, 101, 93. What is their average mark?
  20. 20.Marks of 5 friends in a quiz: 72, 88, 94, 67, 84. What is their average mark?
  21. 21.The average of 6 numbers is 36. When one more number is added, the average becomes 39. What number was added?
  22. 22.A shop sells an average of 57 kg of sugar a day for 6 days, and then 43 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  23. 23.Ananya’s batting average after 14 innings is 48 runs. How many runs must Ananya score in the next innings to raise the average to 50?
  24. 24.Marks of 6 friends in a quiz: 55, 54, 68, 47, 76, 66. What is their average mark?
  25. 25.Marks of 4 friends in a quiz: 30, 56, 47, 43. What is their average mark?
  26. 26.Marks of 4 friends in a quiz: 14, 20, 31, 31. What is their average mark?
  27. 27.Meera’s batting average after 10 innings is 40 runs. How many runs must Meera score in the next innings to raise the average to 45?
  28. 28.Marks of 4 friends in a quiz: 21, 37, 19, 35. What is their average mark?
  29. 29.Aditya’s batting average after 10 innings is 25 runs. How many runs must Aditya score in the next innings to raise the average to 28?
  30. 30.The average of 5 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  31. 31.Diya’s batting average after 12 innings is 50 runs. How many runs must Diya score in the next innings to raise the average to 52?
  32. 32.A shop sells an average of 53 kg of sugar a day for 6 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  33. 33.A shop sells an average of 33 kg of sugar a day for 3 days, and then 73 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.Marks of 5 friends in a quiz: 8, 20, 11, 25, 51. What is their average mark?
  35. 35.Farhan’s batting average after 13 innings is 22 runs. How many runs must Farhan score in the next innings to raise the average to 25?
  36. 36.Marks of 5 friends in a quiz: 61, 70, 60, 68, 26. What is their average mark?
  37. 37.Kabir’s batting average after 11 innings is 23 runs. How many runs must Kabir score in the next innings to raise the average to 28?
  38. 38.A shop sells an average of 34 kg of sugar a day for 2 days, and then 37 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  39. 39.The average of 9 numbers is 40. When one more number is added, the average becomes 45. What number was added?
  40. 40.Vivaan’s batting average after 15 innings is 23 runs. How many runs must Vivaan score in the next innings to raise the average to 25?

Answer key

  1. 64
  2. 39
  3. 38
  4. 89
  5. 81
  6. 70
  7. 53
  8. 31
  9. 47
  10. 85
  11. 40
  12. 45
  13. 39
  14. 70
  15. 44
  16. 35
  17. 34
  18. 37
  19. 86
  20. 81
  21. 57
  22. 50
  23. 78
  24. 61
  25. 44
  26. 24
  27. 95
  28. 28
  29. 58
  30. 33
  31. 76
  32. 38
  33. 53
  34. 23
  35. 64
  36. 57
  37. 83
  38. 36
  39. 90
  40. 55

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