← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 353 · 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: 70, 84, 69, 85. What is their average mark?
  2. 2.A shop sells an average of 51 kg of sugar a day for 4 days, and then 23 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  3. 3.The average of 7 numbers is 23. When one more number is added, the average becomes 24. What number was added?
  4. 4.The average of 8 numbers is 31. When one more number is added, the average becomes 32. What number was added?
  5. 5.A shop sells an average of 38 kg of sugar a day for 6 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.Marks of 5 friends in a quiz: 75, 67, 70, 74, 34. What is their average mark?
  7. 7.The average of 4 numbers is 45. When one more number is added, the average becomes 48. What number was added?
  8. 8.A shop sells an average of 56 kg of sugar a day for 4 days, and then 68 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  9. 9.The average of 8 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  10. 10.The average weight of 9 children is 40 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Ishaan’s batting average after 9 innings is 20 runs. How many runs must Ishaan score in the next innings to raise the average to 21?
  12. 12.The average weight of 11 children is 37 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Pooja’s batting average after 15 innings is 41 runs. How many runs must Pooja score in the next innings to raise the average to 42?
  14. 14.The average of 9 numbers is 22. When one more number is added, the average becomes 28. What number was added?
  15. 15.Aarav’s batting average after 11 innings is 25 runs. How many runs must Aarav score in the next innings to raise the average to 30?
  16. 16.The average of 8 numbers is 59. When one more number is added, the average becomes 60. What number was added?
  17. 17.The average of 7 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  18. 18.Nisha’s batting average after 15 innings is 47 runs. How many runs must Nisha score in the next innings to raise the average to 51?
  19. 19.Marks of 4 friends in a quiz: 37, 37, 33, 29. What is their average mark?
  20. 20.The average weight of 9 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 4 friends in a quiz: 83, 71, 67, 67. What is their average mark?
  22. 22.Sneha’s batting average after 14 innings is 36 runs. How many runs must Sneha score in the next innings to raise the average to 37?
  23. 23.A shop sells an average of 37 kg of sugar a day for 6 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  24. 24.The average of 6 numbers is 19. When one more number is added, the average becomes 25. What number was added?
  25. 25.The average weight of 11 children is 35 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 5 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  27. 27.The average of 8 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  28. 28.Kabir’s batting average after 12 innings is 30 runs. How many runs must Kabir score in the next innings to raise the average to 31?
  29. 29.Marks of 5 friends in a quiz: 78, 68, 87, 90, 92. What is their average mark?
  30. 30.A shop sells an average of 41 kg of sugar a day for 5 days, and then 49 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  31. 31.Marks of 4 friends in a quiz: 38, 25, 39, 38. What is their average mark?
  32. 32.Marks of 5 friends in a quiz: 18, 27, 25, 10, 25. What is their average mark?
  33. 33.Marks of 5 friends in a quiz: 52, 77, 57, 72, 62. What is their average mark?
  34. 34.The average of 8 numbers is 50. When one more number is added, the average becomes 55. What number was added?
  35. 35.Marks of 5 friends in a quiz: 90, 85, 70, 73, 92. What is their average mark?
  36. 36.Rahul’s batting average after 12 innings is 38 runs. How many runs must Rahul score in the next innings to raise the average to 40?
  37. 37.Zoya’s batting average after 10 innings is 37 runs. How many runs must Zoya score in the next innings to raise the average to 38?
  38. 38.The average of 5 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  39. 39.A shop sells an average of 56 kg of sugar a day for 6 days, and then 20 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  40. 40.The average of 7 numbers is 18. When one more number is added, the average becomes 19. What number was added?

Answer key

  1. 77
  2. 39
  3. 31
  4. 40
  5. 36
  6. 64
  7. 60
  8. 62
  9. 27
  10. 39
  11. 30
  12. 36
  13. 57
  14. 82
  15. 85
  16. 68
  17. 53
  18. 111
  19. 34
  20. 36
  21. 72
  22. 51
  23. 48
  24. 61
  25. 34
  26. 27
  27. 42
  28. 43
  29. 83
  30. 45
  31. 35
  32. 21
  33. 64
  34. 95
  35. 82
  36. 64
  37. 48
  38. 39
  39. 47
  40. 26

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude