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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 558 · 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 weight of 9 children is 43 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 38 kg of sugar a day for 4 days, and then 73 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  3. 3.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)?
  4. 4.A shop sells an average of 27 kg of sugar a day for 2 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  5. 5.Marks of 4 friends in a quiz: 62, 46, 51, 41. What is their average mark?
  6. 6.Marks of 5 friends in a quiz: 49, 35, 29, 21, 41. What is their average mark?
  7. 7.The average of 8 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  8. 8.Marks of 4 friends in a quiz: 47, 24, 30, 47. What is their average mark?
  9. 9.The average of 4 numbers is 22. When one more number is added, the average becomes 27. What number was added?
  10. 10.The average weight of 8 children is 28 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 5 friends in a quiz: 37, 48, 49, 41, 70. What is their average mark?
  12. 12.Dev’s batting average after 9 innings is 24 runs. How many runs must Dev score in the next innings to raise the average to 29?
  13. 13.The average of 5 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  14. 14.The average weight of 10 children is 35 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 7 numbers is 57. When one more number is added, the average becomes 60. What number was added?
  16. 16.Nisha’s batting average after 7 innings is 30 runs. How many runs must Nisha score in the next innings to raise the average to 32?
  17. 17.Sneha’s batting average after 10 innings is 48 runs. How many runs must Sneha score in the next innings to raise the average to 49?
  18. 18.Rohan’s batting average after 6 innings is 41 runs. How many runs must Rohan score in the next innings to raise the average to 42?
  19. 19.Nisha’s batting average after 6 innings is 26 runs. How many runs must Nisha score in the next innings to raise the average to 31?
  20. 20.The average of 4 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  21. 21.The average weight of 6 children is 35 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 5 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  23. 23.Diya’s batting average after 15 innings is 35 runs. How many runs must Diya score in the next innings to raise the average to 36?
  24. 24.A shop sells an average of 44 kg of sugar a day for 3 days, and then 28 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.Marks of 5 friends in a quiz: 28, 21, 11, 34, 6. What is their average mark?
  26. 26.Rohan’s batting average after 9 innings is 43 runs. How many runs must Rohan score in the next innings to raise the average to 45?
  27. 27.Marks of 5 friends in a quiz: 65, 84, 64, 86, 56. What is their average mark?
  28. 28.The average weight of 5 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average of 8 numbers is 45. When one more number is added, the average becomes 48. What number was added?
  30. 30.The average of 5 numbers is 43. When one more number is added, the average becomes 47. What number was added?
  31. 31.Rahul’s batting average after 15 innings is 31 runs. How many runs must Rahul score in the next innings to raise the average to 35?
  32. 32.Marks of 5 friends in a quiz: 49, 57, 42, 55, 22. What is their average mark?
  33. 33.The average of 9 numbers is 37. When one more number is added, the average becomes 43. What number was added?
  34. 34.The average of 4 numbers is 35. When one more number is added, the average becomes 38. What number was added?
  35. 35.Marks of 4 friends in a quiz: 17, 34, 18, 15. What is their average mark?
  36. 36.Pooja’s batting average after 5 innings is 37 runs. How many runs must Pooja score in the next innings to raise the average to 41?
  37. 37.Dev’s batting average after 9 innings is 39 runs. How many runs must Dev score in the next innings to raise the average to 44?
  38. 38.The average of 8 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  39. 39.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)?
  40. 40.A shop sells an average of 63 kg of sugar a day for 2 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?

Answer key

  1. 41
  2. 53
  3. 40
  4. 33
  5. 50
  6. 35
  7. 51
  8. 37
  9. 47
  10. 27
  11. 49
  12. 74
  13. 73
  14. 34
  15. 81
  16. 46
  17. 59
  18. 48
  19. 61
  20. 62
  21. 32
  22. 53
  23. 51
  24. 34
  25. 20
  26. 63
  27. 71
  28. 27
  29. 72
  30. 67
  31. 95
  32. 45
  33. 97
  34. 50
  35. 21
  36. 61
  37. 89
  38. 30
  39. 45
  40. 55

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