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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 37 · 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.A shop sells an average of 77 kg of sugar a day for 3 days, and then 69 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  2. 2.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?
  3. 3.Marks of 5 friends in a quiz: 49, 45, 62, 40, 49. What is their average mark?
  4. 4.The average of 8 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  5. 5.The average of 9 numbers is 33. When one more number is added, the average becomes 38. What number was added?
  6. 6.Marks of 4 friends in a quiz: 36, 14, 39, 11. What is their average mark?
  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 2 days. What is the average sale per day for all 4 days (in kg)?
  8. 8.Farhan’s batting average after 13 innings is 33 runs. How many runs must Farhan score in the next innings to raise the average to 37?
  9. 9.A shop sells an average of 65 kg of sugar a day for 4 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  10. 10.The average weight of 11 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 7 numbers is 48. When one more number is added, the average becomes 53. What number was added?
  12. 12.Marks of 5 friends in a quiz: 71, 66, 52, 64, 37. What is their average mark?
  13. 13.Kabir’s batting average after 14 innings is 21 runs. How many runs must Kabir score in the next innings to raise the average to 22?
  14. 14.Rohan’s batting average after 5 innings is 29 runs. How many runs must Rohan score in the next innings to raise the average to 33?
  15. 15.The average weight of 9 children is 34 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.A shop sells an average of 63 kg of sugar a day for 3 days, and then 23 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  17. 17.Kabir’s batting average after 5 innings is 36 runs. How many runs must Kabir score in the next innings to raise the average to 38?
  18. 18.The average of 8 numbers is 48. When one more number is added, the average becomes 49. What number was added?
  19. 19.The average of 5 numbers is 48. When one more number is added, the average becomes 51. What number was added?
  20. 20.The average weight of 10 children is 33 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average weight of 6 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.A shop sells an average of 31 kg of sugar a day for 2 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  23. 23.Sneha’s batting average after 8 innings is 33 runs. How many runs must Sneha score in the next innings to raise the average to 34?
  24. 24.Saanvi’s batting average after 10 innings is 25 runs. How many runs must Saanvi score in the next innings to raise the average to 27?
  25. 25.A shop sells an average of 62 kg of sugar a day for 6 days, and then 30 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  26. 26.The average of 9 numbers is 57. When one more number is added, the average becomes 62. What number was added?
  27. 27.Marks of 5 friends in a quiz: 54, 54, 65, 53, 59. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 34, 50, 40, 60. What is their average mark?
  29. 29.Nisha’s batting average after 5 innings is 32 runs. How many runs must Nisha score in the next innings to raise the average to 34?
  30. 30.Marks of 6 friends in a quiz: 91, 66, 75, 67, 84, 97. What is their average mark?
  31. 31.Marks of 4 friends in a quiz: 81, 82, 66, 75. What is their average mark?
  32. 32.Marks of 6 friends in a quiz: 13, 24, 20, 7, 11, 45. What is their average mark?
  33. 33.The average of 6 numbers is 54. When one more number is added, the average becomes 59. What number was added?
  34. 34.Marks of 4 friends in a quiz: 53, 75, 69, 43. What is their average mark?
  35. 35.Marks of 5 friends in a quiz: 39, 50, 43, 23, 20. What is their average mark?
  36. 36.Marks of 5 friends in a quiz: 13, 15, 12, 9, 51. What is their average mark?
  37. 37.A shop sells an average of 78 kg of sugar a day for 3 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  38. 38.Nisha’s batting average after 11 innings is 30 runs. How many runs must Nisha score in the next innings to raise the average to 35?
  39. 39.Aarav’s batting average after 5 innings is 40 runs. How many runs must Aarav score in the next innings to raise the average to 41?
  40. 40.The average weight of 9 children is 48 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 72
  2. 52
  3. 49
  4. 54
  5. 83
  6. 25
  7. 46
  8. 89
  9. 47
  10. 44
  11. 88
  12. 58
  13. 36
  14. 53
  15. 32
  16. 47
  17. 48
  18. 57
  19. 66
  20. 32
  21. 31
  22. 30
  23. 42
  24. 47
  25. 46
  26. 107
  27. 57
  28. 46
  29. 44
  30. 80
  31. 76
  32. 20
  33. 89
  34. 60
  35. 35
  36. 20
  37. 66
  38. 90
  39. 46
  40. 45

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