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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 687 · 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 32. When one more number is added, the average becomes 33. What number was added?
  2. 2.A shop sells an average of 23 kg of sugar a day for 5 days, and then 56 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  3. 3.Marks of 4 friends in a quiz: 59, 69, 55, 37. What is their average mark?
  4. 4.Marks of 5 friends in a quiz: 42, 48, 51, 55, 59. What is their average mark?
  5. 5.Arjun’s batting average after 11 innings is 24 runs. How many runs must Arjun score in the next innings to raise the average to 27?
  6. 6.The average weight of 5 children is 41 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Marks of 5 friends in a quiz: 87, 98, 98, 95, 47. What is their average mark?
  8. 8.Manav’s batting average after 8 innings is 22 runs. How many runs must Manav score in the next innings to raise the average to 26?
  9. 9.The average weight of 8 children is 37 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Rohan’s batting average after 7 innings is 25 runs. How many runs must Rohan score in the next innings to raise the average to 26?
  11. 11.The average of 7 numbers is 22. When one more number is added, the average becomes 28. What number was added?
  12. 12.The average of 4 numbers is 45. When one more number is added, the average becomes 48. What number was added?
  13. 13.A shop sells an average of 50 kg of sugar a day for 2 days, and then 29 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  14. 14.Marks of 4 friends in a quiz: 32, 11, 10, 31. What is their average mark?
  15. 15.Marks of 4 friends in a quiz: 58, 48, 38, 36. What is their average mark?
  16. 16.Sneha’s batting average after 6 innings is 40 runs. How many runs must Sneha score in the next innings to raise the average to 45?
  17. 17.The average weight of 5 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 4 friends in a quiz: 61, 85, 68, 90. What is their average mark?
  19. 19.Marks of 5 friends in a quiz: 34, 29, 28, 41, 78. What is their average mark?
  20. 20.The average of 6 numbers is 26. When one more number is added, the average becomes 29. What number was added?
  21. 21.Pooja’s batting average after 9 innings is 35 runs. How many runs must Pooja score in the next innings to raise the average to 40?
  22. 22.Marks of 5 friends in a quiz: 84, 91, 80, 74, 51. What is their average mark?
  23. 23.Marks of 4 friends in a quiz: 71, 64, 72, 53. What is their average mark?
  24. 24.Marks of 4 friends in a quiz: 85, 79, 67, 85. What is their average mark?
  25. 25.Marks of 6 friends in a quiz: 42, 52, 59, 63, 61, 41. What is their average mark?
  26. 26.A shop sells an average of 39 kg of sugar a day for 3 days, and then 37 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.The average weight of 12 children is 40 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 12 children is 33 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.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)?
  30. 30.Marks of 6 friends in a quiz: 38, 50, 36, 43, 37, 66. What is their average mark?
  31. 31.Marks of 5 friends in a quiz: 36, 24, 22, 45, 53. What is their average mark?
  32. 32.Marks of 6 friends in a quiz: 34, 29, 38, 26, 42, 17. What is their average mark?
  33. 33.Tara’s batting average after 13 innings is 46 runs. How many runs must Tara score in the next innings to raise the average to 51?
  34. 34.A shop sells an average of 21 kg of sugar a day for 3 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.Dev’s batting average after 7 innings is 31 runs. How many runs must Dev score in the next innings to raise the average to 36?
  36. 36.The average weight of 9 children is 46 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.A shop sells an average of 46 kg of sugar a day for 3 days, and then 55 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  38. 38.Arjun’s batting average after 12 innings is 45 runs. How many runs must Arjun score in the next innings to raise the average to 49?
  39. 39.Dev’s batting average after 13 innings is 29 runs. How many runs must Dev score in the next innings to raise the average to 31?
  40. 40.Arjun’s batting average after 14 innings is 46 runs. How many runs must Arjun score in the next innings to raise the average to 51?

Answer key

  1. 38
  2. 41
  3. 55
  4. 51
  5. 60
  6. 38
  7. 85
  8. 58
  9. 34
  10. 33
  11. 70
  12. 60
  13. 35
  14. 21
  15. 45
  16. 75
  17. 41
  18. 76
  19. 42
  20. 47
  21. 85
  22. 76
  23. 65
  24. 79
  25. 53
  26. 38
  27. 39
  28. 30
  29. 36
  30. 45
  31. 36
  32. 31
  33. 116
  34. 28
  35. 71
  36. 44
  37. 52
  38. 97
  39. 57
  40. 121

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