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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 76 · 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 41 kg of sugar a day for 2 days, and then 62 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.The average of 8 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  3. 3.Marks of 5 friends in a quiz: 39, 66, 48, 39, 68. What is their average mark?
  4. 4.The average weight of 11 children is 43 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 6 friends in a quiz: 45, 23, 45, 45, 45, 25. What is their average mark?
  6. 6.The average of 4 numbers is 32. When one more number is added, the average becomes 36. What number was added?
  7. 7.The average of 4 numbers is 48. When one more number is added, the average becomes 52. What number was added?
  8. 8.Manav’s batting average after 9 innings is 25 runs. How many runs must Manav score in the next innings to raise the average to 26?
  9. 9.Meera’s batting average after 7 innings is 27 runs. How many runs must Meera score in the next innings to raise the average to 29?
  10. 10.Meera’s batting average after 15 innings is 43 runs. How many runs must Meera score in the next innings to raise the average to 47?
  11. 11.Ananya’s batting average after 8 innings is 22 runs. How many runs must Ananya score in the next innings to raise the average to 24?
  12. 12.The average of 7 numbers is 31. When one more number is added, the average becomes 34. What number was added?
  13. 13.Marks of 4 friends in a quiz: 76, 98, 88, 78. What is their average mark?
  14. 14.The average weight of 6 children is 41 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 4 friends in a quiz: 19, 6, 27, 28. What is their average mark?
  16. 16.Marks of 5 friends in a quiz: 49, 50, 54, 44, 13. What is their average mark?
  17. 17.Marks of 4 friends in a quiz: 41, 47, 46, 82. What is their average mark?
  18. 18.The average of 5 numbers is 30. When one more number is added, the average becomes 31. What number was added?
  19. 19.The average of 6 numbers is 40. When one more number is added, the average becomes 45. What number was added?
  20. 20.Marks of 6 friends in a quiz: 28, 39, 30, 45, 34, 58. What is their average mark?
  21. 21.The average of 6 numbers is 55. When one more number is added, the average becomes 60. What number was added?
  22. 22.The average weight of 9 children is 41 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average of 7 numbers is 51. When one more number is added, the average becomes 55. What number was added?
  24. 24.The average weight of 5 children is 33 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Arjun’s batting average after 6 innings is 22 runs. How many runs must Arjun score in the next innings to raise the average to 27?
  26. 26.A shop sells an average of 23 kg of sugar a day for 5 days, and then 41 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  27. 27.The average of 8 numbers is 30. When one more number is added, the average becomes 35. What number was added?
  28. 28.Manav’s batting average after 10 innings is 30 runs. How many runs must Manav score in the next innings to raise the average to 31?
  29. 29.The average of 9 numbers is 24. When one more number is added, the average becomes 29. What number was added?
  30. 30.Rahul’s batting average after 14 innings is 44 runs. How many runs must Rahul score in the next innings to raise the average to 49?
  31. 31.Marks of 5 friends in a quiz: 30, 47, 40, 35, 53. What is their average mark?
  32. 32.The average weight of 10 children is 41 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 5 friends in a quiz: 30, 40, 38, 34, 48. What is their average mark?
  34. 34.The average weight of 12 children is 32 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 5 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  36. 36.A shop sells an average of 54 kg of sugar a day for 6 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  37. 37.A shop sells an average of 47 kg of sugar a day for 6 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  38. 38.Rohan’s batting average after 12 innings is 30 runs. How many runs must Rohan score in the next innings to raise the average to 35?
  39. 39.The average weight of 6 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 5 friends in a quiz: 34, 30, 53, 53, 40. What is their average mark?

Answer key

  1. 55
  2. 31
  3. 52
  4. 42
  5. 38
  6. 52
  7. 68
  8. 35
  9. 43
  10. 107
  11. 40
  12. 55
  13. 85
  14. 38
  15. 20
  16. 42
  17. 54
  18. 36
  19. 75
  20. 39
  21. 90
  22. 39
  23. 83
  24. 32
  25. 57
  26. 32
  27. 75
  28. 41
  29. 74
  30. 119
  31. 41
  32. 39
  33. 38
  34. 30
  35. 60
  36. 48
  37. 38
  38. 95
  39. 34
  40. 42

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