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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 304 · 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 33 kg of sugar a day for 2 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  2. 2.Diya’s batting average after 8 innings is 48 runs. How many runs must Diya score in the next innings to raise the average to 53?
  3. 3.Marks of 5 friends in a quiz: 39, 62, 53, 54, 57. What is their average mark?
  4. 4.The average weight of 12 children is 37 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average weight of 5 children is 40 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 6 children is 40 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 4 numbers is 21. When one more number is added, the average becomes 24. What number was added?
  8. 8.Marks of 4 friends in a quiz: 32, 33, 53, 54. What is their average mark?
  9. 9.Marks of 5 friends in a quiz: 31, 30, 31, 36, 97. What is their average mark?
  10. 10.The average weight of 5 children is 30 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 4 friends in a quiz: 61, 37, 47, 43. What is their average mark?
  12. 12.The average of 9 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  13. 13.A shop sells an average of 72 kg of sugar a day for 5 days, and then 64 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  14. 14.The average of 4 numbers is 25. When one more number is added, the average becomes 28. What number was added?
  15. 15.Nisha’s batting average after 14 innings is 24 runs. How many runs must Nisha score in the next innings to raise the average to 29?
  16. 16.The average of 6 numbers is 28. When one more number is added, the average becomes 33. What number was added?
  17. 17.The average weight of 8 children is 32 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 12 children is 29 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 5 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  20. 20.Marks of 6 friends in a quiz: 100, 91, 101, 80, 91, 71. What is their average mark?
  21. 21.A shop sells an average of 25 kg of sugar a day for 4 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  22. 22.The average weight of 9 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 6 friends in a quiz: 82, 87, 74, 79, 86, 66. What is their average mark?
  24. 24.The average of 8 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  25. 25.The average of 7 numbers is 55. When one more number is added, the average becomes 56. What number was added?
  26. 26.Marks of 4 friends in a quiz: 55, 32, 48, 45. What is their average mark?
  27. 27.Marks of 6 friends in a quiz: 74, 101, 94, 87, 99, 61. What is their average mark?
  28. 28.A shop sells an average of 73 kg of sugar a day for 2 days, and then 27 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  29. 29.Pooja’s batting average after 8 innings is 28 runs. How many runs must Pooja score in the next innings to raise the average to 32?
  30. 30.A shop sells an average of 35 kg of sugar a day for 2 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  31. 31.The average weight of 6 children is 37 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 6 numbers is 25. When one more number is added, the average becomes 30. What number was added?
  33. 33.The average of 9 numbers is 37. When one more number is added, the average becomes 42. What number was added?
  34. 34.A shop sells an average of 36 kg of sugar a day for 4 days, and then 29 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  35. 35.A shop sells an average of 47 kg of sugar a day for 3 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  36. 36.A shop sells an average of 69 kg of sugar a day for 3 days, and then 53 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  37. 37.A shop sells an average of 46 kg of sugar a day for 3 days, and then 68 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.A shop sells an average of 58 kg of sugar a day for 6 days, and then 20 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  39. 39.Priya’s batting average after 12 innings is 30 runs. How many runs must Priya score in the next innings to raise the average to 32?
  40. 40.Marks of 5 friends in a quiz: 76, 51, 60, 67, 51. What is their average mark?

Answer key

  1. 48
  2. 93
  3. 53
  4. 34
  5. 39
  6. 39
  7. 36
  8. 43
  9. 45
  10. 29
  11. 47
  12. 73
  13. 68
  14. 40
  15. 99
  16. 63
  17. 31
  18. 26
  19. 84
  20. 89
  21. 28
  22. 40
  23. 79
  24. 79
  25. 63
  26. 45
  27. 86
  28. 50
  29. 64
  30. 61
  31. 34
  32. 60
  33. 87
  34. 33
  35. 37
  36. 59
  37. 57
  38. 39
  39. 56
  40. 61

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