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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 532 · 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 73 kg of sugar a day for 4 days, and then 24 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  2. 2.The average of 7 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  3. 3.The average weight of 7 children is 38 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Dev’s batting average after 7 innings is 41 runs. How many runs must Dev score in the next innings to raise the average to 42?
  5. 5.A shop sells an average of 76 kg of sugar a day for 4 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  6. 6.Marks of 4 friends in a quiz: 61, 81, 75, 79. What is their average mark?
  7. 7.Kabir’s batting average after 7 innings is 47 runs. How many runs must Kabir score in the next innings to raise the average to 49?
  8. 8.The average weight of 12 children is 27 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Dev’s batting average after 7 innings is 30 runs. How many runs must Dev score in the next innings to raise the average to 34?
  10. 10.Marks of 4 friends in a quiz: 65, 67, 66, 26. What is their average mark?
  11. 11.The average of 4 numbers is 59. When one more number is added, the average becomes 63. What number was added?
  12. 12.The average of 7 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  13. 13.The average of 7 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  14. 14.The average weight of 5 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Kavya’s batting average after 13 innings is 24 runs. How many runs must Kavya score in the next innings to raise the average to 26?
  16. 16.The average of 5 numbers is 56. When one more number is added, the average becomes 58. What number was added?
  17. 17.A shop sells an average of 42 kg of sugar a day for 6 days, and then 37 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  18. 18.Aarav’s batting average after 10 innings is 47 runs. How many runs must Aarav score in the next innings to raise the average to 48?
  19. 19.Marks of 5 friends in a quiz: 24, 18, 11, 16, 51. What is their average mark?
  20. 20.A shop sells an average of 76 kg of sugar a day for 5 days, and then 68 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  21. 21.The average of 9 numbers is 52. When one more number is added, the average becomes 56. What number was added?
  22. 22.A shop sells an average of 51 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)?
  23. 23.The average weight of 7 children is 46 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 46 kg of sugar a day for 4 days, and then 53 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  25. 25.Marks of 6 friends in a quiz: 14, 37, 22, 36, 44, 21. What is their average mark?
  26. 26.Ishaan’s batting average after 14 innings is 21 runs. How many runs must Ishaan score in the next innings to raise the average to 25?
  27. 27.A shop sells an average of 23 kg of sugar a day for 3 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  28. 28.The average weight of 12 children is 40 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 4 friends in a quiz: 25, 8, 24, 27. What is their average mark?
  30. 30.Marks of 5 friends in a quiz: 44, 50, 44, 60, 67. What is their average mark?
  31. 31.Marks of 4 friends in a quiz: 69, 60, 66, 65. What is their average mark?
  32. 32.The average of 8 numbers is 50. When one more number is added, the average becomes 55. What number was added?
  33. 33.The average weight of 6 children is 47 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 5 friends in a quiz: 83, 83, 100, 105, 79. What is their average mark?
  35. 35.Marks of 6 friends in a quiz: 67, 85, 78, 68, 87, 65. What is their average mark?
  36. 36.The average of 8 numbers is 27. When one more number is added, the average becomes 33. What number was added?
  37. 37.A shop sells an average of 50 kg of sugar a day for 4 days, and then 65 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  38. 38.The average of 5 numbers is 49. When one more number is added, the average becomes 53. What number was added?
  39. 39.The average weight of 7 children is 42 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.A shop sells an average of 20 kg of sugar a day for 3 days, and then 58 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 52
  2. 29
  3. 36
  4. 49
  5. 73
  6. 74
  7. 63
  8. 26
  9. 62
  10. 56
  11. 79
  12. 57
  13. 50
  14. 27
  15. 52
  16. 68
  17. 40
  18. 58
  19. 24
  20. 72
  21. 92
  22. 37
  23. 45
  24. 49
  25. 29
  26. 81
  27. 29
  28. 38
  29. 21
  30. 53
  31. 65
  32. 95
  33. 44
  34. 90
  35. 75
  36. 81
  37. 59
  38. 73
  39. 41
  40. 39

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