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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 586 · 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 26 kg. One child, who weighs 30 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Karan’s batting average after 7 innings is 45 runs. How many runs must Karan score in the next innings to raise the average to 48?
  3. 3.Marks of 4 friends in a quiz: 35, 52, 39, 30. What is their average mark?
  4. 4.The average of 8 numbers is 59. When one more number is added, the average becomes 62. What number was added?
  5. 5.A shop sells an average of 35 kg of sugar a day for 2 days, and then 55 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  6. 6.The average weight of 6 children is 45 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 12 children is 30 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.A shop sells an average of 24 kg of sugar a day for 6 days, and then 64 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  9. 9.The average of 8 numbers is 60. When one more number is added, the average becomes 63. What number was added?
  10. 10.Marks of 4 friends in a quiz: 20, 30, 13, 29. What is their average mark?
  11. 11.Pooja’s batting average after 10 innings is 27 runs. How many runs must Pooja score in the next innings to raise the average to 30?
  12. 12.The average of 6 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  13. 13.Marks of 4 friends in a quiz: 47, 63, 48, 90. What is their average mark?
  14. 14.Kabir’s batting average after 14 innings is 26 runs. How many runs must Kabir score in the next innings to raise the average to 28?
  15. 15.The average of 9 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  16. 16.The average of 4 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  17. 17.Zoya’s batting average after 13 innings is 46 runs. How many runs must Zoya score in the next innings to raise the average to 49?
  18. 18.The average of 6 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  19. 19.Marks of 6 friends in a quiz: 89, 79, 80, 86, 82, 58. What is their average mark?
  20. 20.Kavya’s batting average after 9 innings is 40 runs. How many runs must Kavya score in the next innings to raise the average to 43?
  21. 21.Marks of 4 friends in a quiz: 56, 72, 53, 51. What is their average mark?
  22. 22.Marks of 5 friends in a quiz: 43, 48, 48, 35, 56. What is their average mark?
  23. 23.Vivaan’s batting average after 7 innings is 43 runs. How many runs must Vivaan score in the next innings to raise the average to 45?
  24. 24.The average of 4 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  25. 25.The average of 5 numbers is 48. When one more number is added, the average becomes 51. What number was added?
  26. 26.A shop sells an average of 44 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)?
  27. 27.Rahul’s batting average after 6 innings is 27 runs. How many runs must Rahul score in the next innings to raise the average to 30?
  28. 28.Saanvi’s batting average after 5 innings is 29 runs. How many runs must Saanvi score in the next innings to raise the average to 31?
  29. 29.The average of 9 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  30. 30.Marks of 4 friends in a quiz: 81, 64, 72, 83. What is their average mark?
  31. 31.Marks of 6 friends in a quiz: 104, 80, 101, 100, 85, 64. What is their average mark?
  32. 32.A shop sells an average of 43 kg of sugar a day for 6 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  33. 33.Marks of 4 friends in a quiz: 57, 66, 75, 62. What is their average mark?
  34. 34.The average weight of 10 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average weight of 9 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.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)?
  37. 37.Marks of 4 friends in a quiz: 53, 62, 50, 39. What is their average mark?
  38. 38.The average weight of 7 children is 32 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Kavya’s batting average after 5 innings is 24 runs. How many runs must Kavya score in the next innings to raise the average to 28?
  40. 40.Kavya’s batting average after 8 innings is 22 runs. How many runs must Kavya score in the next innings to raise the average to 23?

Answer key

  1. 25
  2. 69
  3. 39
  4. 86
  5. 45
  6. 42
  7. 29
  8. 44
  9. 87
  10. 23
  11. 60
  12. 65
  13. 62
  14. 56
  15. 66
  16. 20
  17. 88
  18. 51
  19. 79
  20. 70
  21. 58
  22. 46
  23. 59
  24. 47
  25. 66
  26. 34
  27. 48
  28. 41
  29. 54
  30. 75
  31. 89
  32. 52
  33. 65
  34. 27
  35. 28
  36. 40
  37. 51
  38. 31
  39. 48
  40. 31

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