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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 73 · 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.Marks of 4 friends in a quiz: 55, 52, 34, 23. What is their average mark?
  2. 2.The average of 7 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  3. 3.The average of 4 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  4. 4.The average weight of 7 children is 42 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Meera’s batting average after 12 innings is 35 runs. How many runs must Meera score in the next innings to raise the average to 39?
  6. 6.Pooja’s batting average after 15 innings is 34 runs. How many runs must Pooja score in the next innings to raise the average to 39?
  7. 7.Kavya’s batting average after 9 innings is 32 runs. How many runs must Kavya score in the next innings to raise the average to 37?
  8. 8.A shop sells an average of 28 kg of sugar a day for 2 days, and then 70 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  9. 9.The average weight of 9 children is 29 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 6 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  11. 11.The average weight of 10 children is 38 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 6 friends in a quiz: 66, 76, 90, 76, 79, 99. What is their average mark?
  13. 13.Farhan’s batting average after 5 innings is 44 runs. How many runs must Farhan score in the next innings to raise the average to 49?
  14. 14.A shop sells an average of 42 kg of sugar a day for 2 days, and then 38 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  15. 15.The average weight of 12 children is 41 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 4 numbers is 45. When one more number is added, the average becomes 46. What number was added?
  17. 17.Marks of 4 friends in a quiz: 36, 41, 29, 46. What is their average mark?
  18. 18.Marks of 6 friends in a quiz: 64, 58, 71, 61, 68, 86. What is their average mark?
  19. 19.The average weight of 9 children is 42 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 7 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  21. 21.Marks of 6 friends in a quiz: 54, 46, 63, 62, 61, 74. What is their average mark?
  22. 22.A shop sells an average of 77 kg of sugar a day for 2 days, and then 72 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  23. 23.Marks of 6 friends in a quiz: 34, 29, 47, 26, 39, 71. What is their average mark?
  24. 24.The average weight of 10 children is 44 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.A shop sells an average of 27 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)?
  26. 26.Marks of 5 friends in a quiz: 58, 39, 50, 51, 62. What is their average mark?
  27. 27.A shop sells an average of 35 kg of sugar a day for 4 days, and then 65 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  28. 28.The average of 6 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  29. 29.Rohan’s batting average after 8 innings is 45 runs. How many runs must Rohan score in the next innings to raise the average to 46?
  30. 30.The average of 6 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  31. 31.The average of 9 numbers is 34. When one more number is added, the average becomes 36. What number was added?
  32. 32.The average of 9 numbers is 54. When one more number is added, the average becomes 59. What number was added?
  33. 33.The average weight of 8 children is 33 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.A shop sells an average of 68 kg of sugar a day for 5 days, and then 22 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  35. 35.A shop sells an average of 48 kg of sugar a day for 2 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  36. 36.A shop sells an average of 26 kg of sugar a day for 5 days, and then 22 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  37. 37.The average of 9 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  38. 38.Marks of 5 friends in a quiz: 41, 38, 37, 64, 65. What is their average mark?
  39. 39.The average weight of 10 children is 26 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Kabir’s batting average after 6 innings is 24 runs. How many runs must Kabir score in the next innings to raise the average to 27?

Answer key

  1. 41
  2. 57
  3. 41
  4. 39
  5. 87
  6. 114
  7. 82
  8. 58
  9. 26
  10. 48
  11. 35
  12. 81
  13. 74
  14. 39
  15. 38
  16. 50
  17. 38
  18. 68
  19. 39
  20. 58
  21. 60
  22. 74
  23. 41
  24. 41
  25. 28
  26. 52
  27. 50
  28. 49
  29. 54
  30. 23
  31. 54
  32. 104
  33. 30
  34. 45
  35. 37
  36. 24
  37. 29
  38. 49
  39. 25
  40. 45

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