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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 748 · 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 of 4 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  2. 2.The average of 7 numbers is 34. When one more number is added, the average becomes 40. What number was added?
  3. 3.Marks of 4 friends in a quiz: 79, 98, 98, 85. What is their average mark?
  4. 4.The average weight of 7 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average of 7 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  6. 6.The average weight of 5 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Rohan’s batting average after 9 innings is 26 runs. How many runs must Rohan score in the next innings to raise the average to 30?
  8. 8.Marks of 5 friends in a quiz: 40, 54, 54, 69, 53. What is their average mark?
  9. 9.The average weight of 9 children is 46 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.A shop sells an average of 24 kg of sugar a day for 4 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.The average of 7 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  12. 12.Marks of 4 friends in a quiz: 29, 35, 23, 57. What is their average mark?
  13. 13.The average of 9 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  14. 14.Tara’s batting average after 6 innings is 26 runs. How many runs must Tara score in the next innings to raise the average to 29?
  15. 15.The average of 7 numbers is 58. When one more number is added, the average becomes 62. What number was added?
  16. 16.The average of 7 numbers is 43. When one more number is added, the average becomes 45. What number was added?
  17. 17.Diya’s batting average after 7 innings is 43 runs. How many runs must Diya score in the next innings to raise the average to 44?
  18. 18.A shop sells an average of 74 kg of sugar a day for 3 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  19. 19.The average of 7 numbers is 36. When one more number is added, the average becomes 42. What number was added?
  20. 20.Karan’s batting average after 6 innings is 48 runs. How many runs must Karan score in the next innings to raise the average to 52?
  21. 21.A shop sells an average of 27 kg of sugar a day for 3 days, and then 39 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  22. 22.A shop sells an average of 37 kg of sugar a day for 6 days, and then 31 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  23. 23.The average of 6 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  24. 24.The average of 6 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  25. 25.Isha’s batting average after 9 innings is 49 runs. How many runs must Isha score in the next innings to raise the average to 50?
  26. 26.A shop sells an average of 32 kg of sugar a day for 6 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  27. 27.Rahul’s batting average after 7 innings is 47 runs. How many runs must Rahul score in the next innings to raise the average to 50?
  28. 28.Aarav’s batting average after 14 innings is 48 runs. How many runs must Aarav score in the next innings to raise the average to 50?
  29. 29.A shop sells an average of 22 kg of sugar a day for 5 days, and then 66 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  30. 30.Priya’s batting average after 5 innings is 23 runs. How many runs must Priya score in the next innings to raise the average to 27?
  31. 31.Farhan’s batting average after 15 innings is 26 runs. How many runs must Farhan score in the next innings to raise the average to 27?
  32. 32.The average of 9 numbers is 17. When one more number is added, the average becomes 23. What number was added?
  33. 33.The average weight of 12 children is 47 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.A shop sells an average of 49 kg of sugar a day for 4 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.The average of 8 numbers is 59. When one more number is added, the average becomes 65. What number was added?
  36. 36.The average weight of 5 children is 43 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Ananya’s batting average after 13 innings is 39 runs. How many runs must Ananya score in the next innings to raise the average to 40?
  38. 38.Karan’s batting average after 9 innings is 36 runs. How many runs must Karan score in the next innings to raise the average to 39?
  39. 39.Marks of 6 friends in a quiz: 39, 20, 15, 15, 29, 32. What is their average mark?
  40. 40.The average of 9 numbers is 53. When one more number is added, the average becomes 56. What number was added?

Answer key

  1. 57
  2. 82
  3. 90
  4. 37
  5. 49
  6. 39
  7. 66
  8. 54
  9. 44
  10. 40
  11. 57
  12. 36
  13. 28
  14. 47
  15. 90
  16. 59
  17. 51
  18. 44
  19. 84
  20. 76
  21. 35
  22. 35
  23. 34
  24. 81
  25. 59
  26. 34
  27. 71
  28. 78
  29. 44
  30. 47
  31. 42
  32. 77
  33. 45
  34. 48
  35. 113
  36. 40
  37. 53
  38. 66
  39. 25
  40. 83

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