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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 266 · 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 6 children is 42 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 6 friends in a quiz: 55, 70, 73, 55, 68, 93. What is their average mark?
  3. 3.The average of 7 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  4. 4.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)?
  5. 5.Sneha’s batting average after 13 innings is 36 runs. How many runs must Sneha score in the next innings to raise the average to 38?
  6. 6.Meera’s batting average after 6 innings is 29 runs. How many runs must Meera score in the next innings to raise the average to 31?
  7. 7.The average weight of 10 children is 39 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Saanvi’s batting average after 14 innings is 44 runs. How many runs must Saanvi score in the next innings to raise the average to 49?
  9. 9.The average weight of 12 children is 42 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.A shop sells an average of 61 kg of sugar a day for 2 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  11. 11.The average of 4 numbers is 19. When one more number is added, the average becomes 24. What number was added?
  12. 12.Priya’s batting average after 14 innings is 40 runs. How many runs must Priya score in the next innings to raise the average to 42?
  13. 13.The average weight of 11 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.A shop sells an average of 37 kg of sugar a day for 4 days, and then 23 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  15. 15.The average of 9 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  16. 16.A shop sells an average of 30 kg of sugar a day for 6 days, and then 36 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.Zoya’s batting average after 11 innings is 21 runs. How many runs must Zoya score in the next innings to raise the average to 23?
  18. 18.Marks of 5 friends in a quiz: 31, 57, 39, 40, 58. What is their average mark?
  19. 19.The average of 8 numbers is 45. When one more number is added, the average becomes 51. What number was added?
  20. 20.Dev’s batting average after 15 innings is 22 runs. How many runs must Dev score in the next innings to raise the average to 23?
  21. 21.Ishaan’s batting average after 11 innings is 40 runs. How many runs must Ishaan score in the next innings to raise the average to 45?
  22. 22.The average of 8 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  23. 23.A shop sells an average of 58 kg of sugar a day for 2 days, and then 30 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  24. 24.Marks of 4 friends in a quiz: 45, 43, 48, 12. What is their average mark?
  25. 25.The average of 7 numbers is 28. When one more number is added, the average becomes 33. What number was added?
  26. 26.Marks of 4 friends in a quiz: 63, 61, 44, 32. What is their average mark?
  27. 27.Ananya’s batting average after 14 innings is 27 runs. How many runs must Ananya score in the next innings to raise the average to 28?
  28. 28.The average of 6 numbers is 53. When one more number is added, the average becomes 54. What number was added?
  29. 29.Arjun’s batting average after 9 innings is 24 runs. How many runs must Arjun score in the next innings to raise the average to 25?
  30. 30.The average of 4 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  31. 31.The average weight of 5 children is 44 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 6 friends in a quiz: 38, 53, 45, 57, 60, 35. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 85, 64, 64, 67. What is their average mark?
  34. 34.Marks of 4 friends in a quiz: 41, 67, 44, 60. What is their average mark?
  35. 35.Marks of 6 friends in a quiz: 15, 23, 31, 19, 23, 51. What is their average mark?
  36. 36.The average of 7 numbers is 17. When one more number is added, the average becomes 23. What number was added?
  37. 37.The average weight of 8 children is 42 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.A shop sells an average of 46 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)?
  39. 39.The average of 5 numbers is 28. When one more number is added, the average becomes 33. What number was added?
  40. 40.The average of 8 numbers is 43. When one more number is added, the average becomes 47. What number was added?

Answer key

  1. 40
  2. 69
  3. 44
  4. 36
  5. 64
  6. 43
  7. 36
  8. 119
  9. 41
  10. 64
  11. 44
  12. 70
  13. 28
  14. 30
  15. 35
  16. 32
  17. 45
  18. 45
  19. 99
  20. 38
  21. 100
  22. 68
  23. 38
  24. 37
  25. 68
  26. 50
  27. 42
  28. 60
  29. 34
  30. 45
  31. 42
  32. 48
  33. 70
  34. 53
  35. 27
  36. 65
  37. 40
  38. 52
  39. 58
  40. 79

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