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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 743 · 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 5 children is 41 kg. One child, who weighs 45 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 2 days, and then 33 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  3. 3.Diya’s batting average after 7 innings is 23 runs. How many runs must Diya score in the next innings to raise the average to 25?
  4. 4.Marks of 4 friends in a quiz: 56, 41, 47, 28. What is their average mark?
  5. 5.Vivaan’s batting average after 9 innings is 27 runs. How many runs must Vivaan score in the next innings to raise the average to 29?
  6. 6.The average of 5 numbers is 34. When one more number is added, the average becomes 35. What number was added?
  7. 7.A shop sells an average of 51 kg of sugar a day for 4 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  8. 8.Manav’s batting average after 8 innings is 24 runs. How many runs must Manav score in the next innings to raise the average to 28?
  9. 9.The average weight of 12 children is 37 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.A shop sells an average of 68 kg of sugar a day for 6 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.The average of 8 numbers is 35. When one more number is added, the average becomes 39. What number was added?
  12. 12.Marks of 4 friends in a quiz: 47, 51, 37, 73. What is their average mark?
  13. 13.Marks of 6 friends in a quiz: 20, 16, 16, 18, 16, 82. What is their average mark?
  14. 14.A shop sells an average of 79 kg of sugar a day for 6 days, and then 63 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  15. 15.The average of 6 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  16. 16.The average weight of 10 children is 41 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 36 kg of sugar a day for 2 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  18. 18.Aarav’s batting average after 9 innings is 49 runs. How many runs must Aarav score in the next innings to raise the average to 52?
  19. 19.The average of 4 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  20. 20.Marks of 5 friends in a quiz: 68, 77, 81, 55, 54. What is their average mark?
  21. 21.The average of 9 numbers is 51. When one more number is added, the average becomes 57. What number was added?
  22. 22.The average weight of 10 children is 43 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average of 6 numbers is 51. When one more number is added, the average becomes 54. What number was added?
  24. 24.The average of 4 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  25. 25.The average of 6 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  26. 26.The average of 5 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  27. 27.The average of 8 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  28. 28.The average weight of 8 children is 47 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 5 friends in a quiz: 62, 76, 77, 58, 92. What is their average mark?
  30. 30.A shop sells an average of 31 kg of sugar a day for 2 days, and then 43 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  31. 31.The average weight of 12 children is 44 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 8 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  33. 33.The average of 4 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  34. 34.Tara’s batting average after 5 innings is 30 runs. How many runs must Tara score in the next innings to raise the average to 31?
  35. 35.Marks of 5 friends in a quiz: 48, 69, 67, 45, 61. What is their average mark?
  36. 36.The average of 4 numbers is 50. When one more number is added, the average becomes 54. What number was added?
  37. 37.A shop sells an average of 66 kg of sugar a day for 2 days, and then 36 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  38. 38.The average of 8 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  39. 39.Isha’s batting average after 12 innings is 28 runs. How many runs must Isha score in the next innings to raise the average to 30?
  40. 40.The average of 4 numbers is 50. When one more number is added, the average becomes 52. What number was added?

Answer key

  1. 40
  2. 35
  3. 39
  4. 43
  5. 47
  6. 40
  7. 57
  8. 60
  9. 35
  10. 58
  11. 71
  12. 52
  13. 28
  14. 71
  15. 48
  16. 40
  17. 30
  18. 79
  19. 80
  20. 67
  21. 111
  22. 42
  23. 72
  24. 24
  25. 65
  26. 78
  27. 79
  28. 45
  29. 73
  30. 40
  31. 42
  32. 82
  33. 36
  34. 36
  35. 58
  36. 70
  37. 48
  38. 39
  39. 54
  40. 60

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