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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 325 · 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 8 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  2. 2.Karan’s batting average after 6 innings is 20 runs. How many runs must Karan score in the next innings to raise the average to 22?
  3. 3.Vivaan’s batting average after 6 innings is 37 runs. How many runs must Vivaan score in the next innings to raise the average to 40?
  4. 4.Arjun’s batting average after 5 innings is 31 runs. How many runs must Arjun score in the next innings to raise the average to 34?
  5. 5.A shop sells an average of 70 kg of sugar a day for 5 days, and then 76 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  6. 6.A shop sells an average of 72 kg of sugar a day for 2 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  7. 7.Dev’s batting average after 7 innings is 39 runs. How many runs must Dev score in the next innings to raise the average to 40?
  8. 8.Marks of 5 friends in a quiz: 68, 80, 65, 70, 82. What is their average mark?
  9. 9.Marks of 4 friends in a quiz: 26, 26, 35, 33. What is their average mark?
  10. 10.The average weight of 8 children is 36 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Zoya’s batting average after 15 innings is 49 runs. How many runs must Zoya score in the next innings to raise the average to 54?
  12. 12.A shop sells an average of 25 kg of sugar a day for 4 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.A shop sells an average of 47 kg of sugar a day for 3 days, and then 23 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.The average of 6 numbers is 51. When one more number is added, the average becomes 52. What number was added?
  15. 15.Marks of 4 friends in a quiz: 86, 79, 77, 66. What is their average mark?
  16. 16.The average of 7 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  17. 17.Aarav’s batting average after 8 innings is 32 runs. How many runs must Aarav score in the next innings to raise the average to 37?
  18. 18.The average weight of 11 children is 41 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 5 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  20. 20.Marks of 6 friends in a quiz: 58, 57, 69, 55, 82, 81. What is their average mark?
  21. 21.The average weight of 9 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 4 friends in a quiz: 79, 67, 66, 80. What is their average mark?
  23. 23.The average of 4 numbers is 31. When one more number is added, the average becomes 33. What number was added?
  24. 24.The average of 5 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  25. 25.The average weight of 11 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Diya’s batting average after 6 innings is 31 runs. How many runs must Diya score in the next innings to raise the average to 36?
  27. 27.The average of 5 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  28. 28.Marks of 5 friends in a quiz: 60, 39, 35, 57, 49. What is their average mark?
  29. 29.Manav’s batting average after 6 innings is 36 runs. How many runs must Manav score in the next innings to raise the average to 39?
  30. 30.Marks of 4 friends in a quiz: 39, 66, 52, 47. What is their average mark?
  31. 31.The average of 8 numbers is 59. When one more number is added, the average becomes 60. What number was added?
  32. 32.A shop sells an average of 33 kg of sugar a day for 2 days, and then 68 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  33. 33.The average of 4 numbers is 48. When one more number is added, the average becomes 50. What number was added?
  34. 34.Marks of 4 friends in a quiz: 36, 33, 51, 32. What is their average mark?
  35. 35.Ananya’s batting average after 6 innings is 32 runs. How many runs must Ananya score in the next innings to raise the average to 33?
  36. 36.The average of 9 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  37. 37.Dev’s batting average after 5 innings is 37 runs. How many runs must Dev score in the next innings to raise the average to 38?
  38. 38.A shop sells an average of 34 kg of sugar a day for 6 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  39. 39.Tara’s batting average after 5 innings is 22 runs. How many runs must Tara score in the next innings to raise the average to 27?
  40. 40.Marks of 4 friends in a quiz: 69, 54, 71, 38. What is their average mark?

Answer key

  1. 77
  2. 34
  3. 58
  4. 49
  5. 73
  6. 48
  7. 47
  8. 73
  9. 30
  10. 35
  11. 129
  12. 24
  13. 32
  14. 58
  15. 77
  16. 32
  17. 77
  18. 40
  19. 50
  20. 67
  21. 41
  22. 73
  23. 41
  24. 35
  25. 28
  26. 66
  27. 30
  28. 48
  29. 57
  30. 51
  31. 68
  32. 54
  33. 58
  34. 38
  35. 39
  36. 88
  37. 43
  38. 39
  39. 52
  40. 58

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