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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 486 · 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 2 days, and then 21 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  2. 2.The average of 4 numbers is 26. When one more number is added, the average becomes 32. What number was added?
  3. 3.The average weight of 10 children is 44 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.A shop sells an average of 59 kg of sugar a day for 2 days, and then 57 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  5. 5.Marks of 4 friends in a quiz: 52, 64, 57, 23. What is their average mark?
  6. 6.Ananya’s batting average after 14 innings is 22 runs. How many runs must Ananya score in the next innings to raise the average to 26?
  7. 7.The average of 4 numbers is 20. When one more number is added, the average becomes 22. What number was added?
  8. 8.The average of 8 numbers is 43. When one more number is added, the average becomes 48. What number was added?
  9. 9.Rahul’s batting average after 7 innings is 27 runs. How many runs must Rahul score in the next innings to raise the average to 28?
  10. 10.Marks of 6 friends in a quiz: 26, 33, 29, 25, 32, 5. What is their average mark?
  11. 11.The average of 9 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  12. 12.Marks of 5 friends in a quiz: 36, 11, 10, 9, 54. What is their average mark?
  13. 13.Marks of 6 friends in a quiz: 38, 48, 20, 41, 32, 25. What is their average mark?
  14. 14.Marks of 4 friends in a quiz: 69, 59, 46, 54. What is their average mark?
  15. 15.Marks of 5 friends in a quiz: 34, 10, 26, 36, 9. What is their average mark?
  16. 16.Marks of 5 friends in a quiz: 21, 30, 26, 12, 21. What is their average mark?
  17. 17.The average weight of 6 children is 36 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Nisha’s batting average after 14 innings is 45 runs. How many runs must Nisha score in the next innings to raise the average to 46?
  19. 19.A shop sells an average of 59 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)?
  20. 20.The average of 7 numbers is 56. When one more number is added, the average becomes 59. What number was added?
  21. 21.The average of 5 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  22. 22.Marks of 5 friends in a quiz: 37, 31, 57, 48, 37. What is their average mark?
  23. 23.Marks of 6 friends in a quiz: 32, 29, 14, 16, 33, 50. What is their average mark?
  24. 24.Kabir’s batting average after 11 innings is 32 runs. How many runs must Kabir score in the next innings to raise the average to 36?
  25. 25.The average of 4 numbers is 20. When one more number is added, the average becomes 25. What number was added?
  26. 26.Marks of 5 friends in a quiz: 72, 53, 66, 78, 71. What is their average mark?
  27. 27.The average of 6 numbers is 34. When one more number is added, the average becomes 38. What number was added?
  28. 28.The average weight of 5 children is 40 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average of 4 numbers is 35. When one more number is added, the average becomes 38. What number was added?
  30. 30.The average of 7 numbers is 40. When one more number is added, the average becomes 43. What number was added?
  31. 31.The average of 8 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  32. 32.A shop sells an average of 48 kg of sugar a day for 2 days, and then 54 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.The average weight of 12 children is 45 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average weight of 12 children is 28 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 29 kg of sugar a day for 2 days, and then 49 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  36. 36.The average of 7 numbers is 24. When one more number is added, the average becomes 28. What number was added?
  37. 37.A shop sells an average of 52 kg of sugar a day for 6 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.The average weight of 9 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Arjun’s batting average after 11 innings is 34 runs. How many runs must Arjun score in the next innings to raise the average to 38?
  40. 40.The average of 8 numbers is 17. When one more number is added, the average becomes 18. What number was added?

Answer key

  1. 49
  2. 56
  3. 43
  4. 58
  5. 49
  6. 82
  7. 30
  8. 88
  9. 35
  10. 25
  11. 47
  12. 24
  13. 34
  14. 57
  15. 23
  16. 22
  17. 35
  18. 60
  19. 54
  20. 80
  21. 57
  22. 42
  23. 29
  24. 80
  25. 45
  26. 68
  27. 62
  28. 39
  29. 50
  30. 64
  31. 61
  32. 52
  33. 43
  34. 25
  35. 44
  36. 56
  37. 45
  38. 26
  39. 82
  40. 26

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