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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 623 · 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 5 numbers is 50. When one more number is added, the average becomes 51. What number was added?
  2. 2.Karan’s batting average after 13 innings is 24 runs. How many runs must Karan score in the next innings to raise the average to 29?
  3. 3.Priya’s batting average after 5 innings is 20 runs. How many runs must Priya score in the next innings to raise the average to 21?
  4. 4.Marks of 5 friends in a quiz: 32, 39, 53, 46, 50. What is their average mark?
  5. 5.Marks of 6 friends in a quiz: 20, 32, 18, 26, 36, 30. What is their average mark?
  6. 6.A shop sells an average of 23 kg of sugar a day for 2 days, and then 75 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  7. 7.The average weight of 7 children is 42 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 10 children is 46 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 4 friends in a quiz: 68, 75, 71, 42. What is their average mark?
  10. 10.A shop sells an average of 34 kg of sugar a day for 6 days, and then 24 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  11. 11.Aditya’s batting average after 5 innings is 41 runs. How many runs must Aditya score in the next innings to raise the average to 42?
  12. 12.Marks of 6 friends in a quiz: 54, 31, 57, 46, 34, 30. What is their average mark?
  13. 13.The average weight of 7 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 4 friends in a quiz: 49, 59, 73, 59. What is their average mark?
  15. 15.The average of 9 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  16. 16.A shop sells an average of 65 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)?
  17. 17.A shop sells an average of 34 kg of sugar a day for 4 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  18. 18.The average of 8 numbers is 39. When one more number is added, the average becomes 44. What number was added?
  19. 19.Ishaan’s batting average after 13 innings is 21 runs. How many runs must Ishaan score in the next innings to raise the average to 23?
  20. 20.Zoya’s batting average after 6 innings is 38 runs. How many runs must Zoya score in the next innings to raise the average to 40?
  21. 21.The average of 9 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  22. 22.A shop sells an average of 76 kg of sugar a day for 6 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  23. 23.Marks of 4 friends in a quiz: 49, 23, 21, 43. What is their average mark?
  24. 24.Marks of 5 friends in a quiz: 27, 29, 47, 46, 46. What is their average mark?
  25. 25.A shop sells an average of 43 kg of sugar a day for 2 days, and then 57 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  26. 26.The average of 5 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  27. 27.The average weight of 6 children is 45 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 6 children is 38 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Isha’s batting average after 5 innings is 39 runs. How many runs must Isha score in the next innings to raise the average to 40?
  30. 30.The average of 8 numbers is 57. When one more number is added, the average becomes 58. What number was added?
  31. 31.The average weight of 6 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A shop sells an average of 20 kg of sugar a day for 3 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.Marks of 4 friends in a quiz: 34, 35, 21, 30. What is their average mark?
  34. 34.The average of 7 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  35. 35.The average of 5 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  36. 36.A shop sells an average of 31 kg of sugar a day for 6 days, and then 57 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  37. 37.The average of 6 numbers is 35. When one more number is added, the average becomes 40. What number was added?
  38. 38.Marks of 6 friends in a quiz: 74, 65, 49, 62, 58, 58. What is their average mark?
  39. 39.Vivaan’s batting average after 8 innings is 49 runs. How many runs must Vivaan score in the next innings to raise the average to 50?
  40. 40.Marks of 5 friends in a quiz: 73, 69, 77, 54, 37. What is their average mark?

Answer key

  1. 56
  2. 94
  3. 26
  4. 44
  5. 27
  6. 62
  7. 41
  8. 44
  9. 64
  10. 29
  11. 47
  12. 42
  13. 28
  14. 60
  15. 89
  16. 56
  17. 31
  18. 84
  19. 49
  20. 52
  21. 42
  22. 66
  23. 34
  24. 39
  25. 53
  26. 68
  27. 44
  28. 35
  29. 45
  30. 66
  31. 43
  32. 49
  33. 30
  34. 53
  35. 45
  36. 44
  37. 70
  38. 61
  39. 58
  40. 62

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