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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 101 · 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 weight of 5 children is 37 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 5 children is 26 kg. One child, who weighs 30 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Marks of 6 friends in a quiz: 43, 53, 59, 43, 60, 90. What is their average mark?
  4. 4.A shop sells an average of 75 kg of sugar a day for 2 days, and then 48 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.The average of 9 numbers is 37. When one more number is added, the average becomes 43. What number was added?
  6. 6.Meera’s batting average after 6 innings is 31 runs. How many runs must Meera score in the next innings to raise the average to 32?
  7. 7.Saanvi’s batting average after 6 innings is 39 runs. How many runs must Saanvi score in the next innings to raise the average to 41?
  8. 8.The average of 7 numbers is 48. When one more number is added, the average becomes 49. What number was added?
  9. 9.Marks of 4 friends in a quiz: 19, 20, 33, 24. What is their average mark?
  10. 10.Ananya’s batting average after 14 innings is 29 runs. How many runs must Ananya score in the next innings to raise the average to 33?
  11. 11.The average of 8 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  12. 12.Vivaan’s batting average after 10 innings is 36 runs. How many runs must Vivaan score in the next innings to raise the average to 41?
  13. 13.Aarav’s batting average after 14 innings is 26 runs. How many runs must Aarav score in the next innings to raise the average to 30?
  14. 14.Meera’s batting average after 15 innings is 46 runs. How many runs must Meera score in the next innings to raise the average to 50?
  15. 15.Marks of 5 friends in a quiz: 77, 60, 51, 52, 75. What is their average mark?
  16. 16.Marks of 4 friends in a quiz: 11, 11, 26, 56. What is their average mark?
  17. 17.The average of 6 numbers is 43. When one more number is added, the average becomes 46. What number was added?
  18. 18.Marks of 5 friends in a quiz: 33, 52, 45, 53, 42. What is their average mark?
  19. 19.The average of 9 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  20. 20.The average of 7 numbers is 59. When one more number is added, the average becomes 62. What number was added?
  21. 21.The average weight of 5 children is 34 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.A shop sells an average of 71 kg of sugar a day for 6 days, and then 41 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  23. 23.The average of 6 numbers is 32. When one more number is added, the average becomes 38. What number was added?
  24. 24.A shop sells an average of 31 kg of sugar a day for 3 days, and then 71 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.Rohan’s batting average after 8 innings is 27 runs. How many runs must Rohan score in the next innings to raise the average to 30?
  26. 26.Marks of 5 friends in a quiz: 28, 15, 12, 27, 43. What is their average mark?
  27. 27.The average of 6 numbers is 25. When one more number is added, the average becomes 27. What number was added?
  28. 28.The average of 9 numbers is 27. When one more number is added, the average becomes 32. What number was added?
  29. 29.Marks of 5 friends in a quiz: 19, 24, 15, 13, 39. What is their average mark?
  30. 30.The average of 8 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  31. 31.Ishaan’s batting average after 15 innings is 23 runs. How many runs must Ishaan score in the next innings to raise the average to 24?
  32. 32.The average of 5 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  33. 33.The average of 4 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  34. 34.Aarav’s batting average after 12 innings is 27 runs. How many runs must Aarav score in the next innings to raise the average to 31?
  35. 35.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)?
  36. 36.A shop sells an average of 56 kg of sugar a day for 3 days, and then 38 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.Marks of 5 friends in a quiz: 34, 39, 18, 16, 43. What is their average mark?
  38. 38.Marks of 5 friends in a quiz: 61, 52, 53, 58, 26. What is their average mark?
  39. 39.Marks of 4 friends in a quiz: 32, 49, 31, 72. What is their average mark?
  40. 40.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)?

Answer key

  1. 36
  2. 25
  3. 58
  4. 57
  5. 97
  6. 38
  7. 53
  8. 56
  9. 24
  10. 89
  11. 70
  12. 91
  13. 86
  14. 110
  15. 63
  16. 26
  17. 64
  18. 45
  19. 47
  20. 83
  21. 33
  22. 59
  23. 74
  24. 51
  25. 54
  26. 25
  27. 39
  28. 77
  29. 22
  30. 62
  31. 39
  32. 41
  33. 87
  34. 79
  35. 36
  36. 47
  37. 30
  38. 50
  39. 46
  40. 41

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