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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 389 · 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 9 numbers is 36. When one more number is added, the average becomes 41. What number was added?
  2. 2.Marks of 4 friends in a quiz: 62, 64, 64, 94. What is their average mark?
  3. 3.Marks of 5 friends in a quiz: 89, 80, 89, 74, 78. What is their average mark?
  4. 4.A shop sells an average of 59 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)?
  5. 5.Ishaan’s batting average after 12 innings is 22 runs. How many runs must Ishaan score in the next innings to raise the average to 23?
  6. 6.The average weight of 9 children is 36 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 58 kg of sugar a day for 2 days, and then 34 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  8. 8.The average of 6 numbers is 46. When one more number is added, the average becomes 49. What number was added?
  9. 9.The average of 5 numbers is 47. When one more number is added, the average becomes 51. What number was added?
  10. 10.Marks of 6 friends in a quiz: 68, 85, 86, 74, 92, 63. What is their average mark?
  11. 11.Marks of 5 friends in a quiz: 67, 69, 65, 55, 44. What is their average mark?
  12. 12.A shop sells an average of 42 kg of sugar a day for 2 days, and then 24 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.Rohan’s batting average after 12 innings is 20 runs. How many runs must Rohan score in the next innings to raise the average to 24?
  14. 14.The average of 8 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  15. 15.Marks of 4 friends in a quiz: 57, 55, 43, 69. What is their average mark?
  16. 16.The average of 9 numbers is 49. When one more number is added, the average becomes 55. What number was added?
  17. 17.A shop sells an average of 43 kg of sugar a day for 2 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  18. 18.A shop sells an average of 59 kg of sugar a day for 4 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  19. 19.The average of 4 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  20. 20.The average weight of 7 children is 45 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.A shop sells an average of 28 kg of sugar a day for 5 days, and then 60 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  22. 22.Karan’s batting average after 6 innings is 32 runs. How many runs must Karan score in the next innings to raise the average to 35?
  23. 23.The average of 7 numbers is 46. When one more number is added, the average becomes 48. What number was added?
  24. 24.Rohan’s batting average after 13 innings is 27 runs. How many runs must Rohan score in the next innings to raise the average to 29?
  25. 25.The average of 4 numbers is 37. When one more number is added, the average becomes 42. What number was added?
  26. 26.Isha’s batting average after 9 innings is 46 runs. How many runs must Isha score in the next innings to raise the average to 48?
  27. 27.Marks of 6 friends in a quiz: 30, 16, 36, 30, 34, 22. What is their average mark?
  28. 28.Marks of 5 friends in a quiz: 41, 45, 31, 34, 29. What is their average mark?
  29. 29.The average of 6 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  30. 30.A shop sells an average of 40 kg of sugar a day for 2 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  31. 31.Marks of 5 friends in a quiz: 34, 32, 16, 38, 35. What is their average mark?
  32. 32.A shop sells an average of 46 kg of sugar a day for 4 days, and then 55 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.A shop sells an average of 75 kg of sugar a day for 3 days, and then 39 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  34. 34.The average of 5 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  35. 35.Arjun’s batting average after 15 innings is 20 runs. How many runs must Arjun score in the next innings to raise the average to 22?
  36. 36.Marks of 6 friends in a quiz: 26, 37, 28, 24, 24, 53. What is their average mark?
  37. 37.The average of 4 numbers is 30. When one more number is added, the average becomes 36. What number was added?
  38. 38.A shop sells an average of 61 kg of sugar a day for 2 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  39. 39.The average of 7 numbers is 48. When one more number is added, the average becomes 49. What number was added?
  40. 40.Aarav’s batting average after 7 innings is 43 runs. How many runs must Aarav score in the next innings to raise the average to 47?

Answer key

  1. 86
  2. 71
  3. 82
  4. 71
  5. 35
  6. 35
  7. 42
  8. 67
  9. 71
  10. 78
  11. 60
  12. 30
  13. 72
  14. 68
  15. 56
  16. 109
  17. 53
  18. 61
  19. 37
  20. 42
  21. 44
  22. 53
  23. 62
  24. 55
  25. 62
  26. 66
  27. 28
  28. 36
  29. 67
  30. 32
  31. 31
  32. 49
  33. 51
  34. 52
  35. 52
  36. 32
  37. 60
  38. 65
  39. 56
  40. 75

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