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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 323 · 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.Marks of 4 friends in a quiz: 37, 24, 42, 9. What is their average mark?
  2. 2.The average of 9 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  3. 3.The average of 5 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  4. 4.A shop sells an average of 61 kg of sugar a day for 2 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  5. 5.The average of 4 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  6. 6.A shop sells an average of 24 kg of sugar a day for 2 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  7. 7.The average weight of 6 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Nisha’s batting average after 14 innings is 25 runs. How many runs must Nisha score in the next innings to raise the average to 29?
  9. 9.A shop sells an average of 72 kg of sugar a day for 2 days, and then 79 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  10. 10.The average of 4 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  11. 11.The average weight of 9 children is 26 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Manav’s batting average after 9 innings is 23 runs. How many runs must Manav score in the next innings to raise the average to 26?
  13. 13.A shop sells an average of 25 kg of sugar a day for 2 days, and then 67 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  14. 14.Marks of 5 friends in a quiz: 58, 58, 74, 47, 73. What is their average mark?
  15. 15.Marks of 6 friends in a quiz: 58, 69, 56, 72, 76, 53. What is their average mark?
  16. 16.A shop sells an average of 77 kg of sugar a day for 2 days, and then 23 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.The average weight of 8 children is 32 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 6 children is 30 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Nisha’s batting average after 9 innings is 38 runs. How many runs must Nisha score in the next innings to raise the average to 39?
  20. 20.The average of 7 numbers is 31. When one more number is added, the average becomes 37. What number was added?
  21. 21.The average weight of 9 children is 45 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.A shop sells an average of 66 kg of sugar a day for 4 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  23. 23.The average of 6 numbers is 49. When one more number is added, the average becomes 53. What number was added?
  24. 24.The average of 8 numbers is 49. When one more number is added, the average becomes 55. What number was added?
  25. 25.The average weight of 5 children is 38 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 6 numbers is 17. When one more number is added, the average becomes 23. What number was added?
  27. 27.Sneha’s batting average after 5 innings is 34 runs. How many runs must Sneha score in the next innings to raise the average to 35?
  28. 28.Ananya’s batting average after 9 innings is 44 runs. How many runs must Ananya score in the next innings to raise the average to 48?
  29. 29.The average weight of 5 children is 29 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 5 numbers is 44. When one more number is added, the average becomes 50. What number was added?
  31. 31.A shop sells an average of 76 kg of sugar a day for 3 days, and then 43 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  32. 32.The average of 9 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  33. 33.Karan’s batting average after 8 innings is 22 runs. How many runs must Karan score in the next innings to raise the average to 27?
  34. 34.Marks of 5 friends in a quiz: 26, 11, 25, 22, 31. What is their average mark?
  35. 35.Saanvi’s batting average after 12 innings is 37 runs. How many runs must Saanvi score in the next innings to raise the average to 42?
  36. 36.Sneha’s batting average after 9 innings is 23 runs. How many runs must Sneha score in the next innings to raise the average to 26?
  37. 37.Saanvi’s batting average after 9 innings is 48 runs. How many runs must Saanvi score in the next innings to raise the average to 53?
  38. 38.Marks of 5 friends in a quiz: 40, 42, 52, 45, 26. What is their average mark?
  39. 39.Marks of 4 friends in a quiz: 35, 23, 24, 14. What is their average mark?
  40. 40.The average of 5 numbers is 51. When one more number is added, the average becomes 54. What number was added?

Answer key

  1. 28
  2. 66
  3. 22
  4. 46
  5. 67
  6. 23
  7. 30
  8. 85
  9. 77
  10. 26
  11. 25
  12. 53
  13. 55
  14. 62
  15. 64
  16. 41
  17. 31
  18. 29
  19. 48
  20. 79
  21. 42
  22. 69
  23. 77
  24. 103
  25. 37
  26. 59
  27. 40
  28. 84
  29. 28
  30. 80
  31. 54
  32. 74
  33. 67
  34. 23
  35. 102
  36. 53
  37. 98
  38. 41
  39. 24
  40. 69

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