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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 288 · 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 38 kg of sugar a day for 3 days, and then 62 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.A shop sells an average of 36 kg of sugar a day for 4 days, and then 78 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.Marks of 5 friends in a quiz: 76, 94, 71, 73, 81. What is their average mark?
  4. 4.Marks of 4 friends in a quiz: 97, 82, 76, 81. What is their average mark?
  5. 5.A shop sells an average of 51 kg of sugar a day for 6 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  6. 6.Vivaan’s batting average after 10 innings is 28 runs. How many runs must Vivaan score in the next innings to raise the average to 31?
  7. 7.Marks of 4 friends in a quiz: 52, 73, 66, 41. What is their average mark?
  8. 8.The average of 7 numbers is 51. When one more number is added, the average becomes 55. What number was added?
  9. 9.The average of 4 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  10. 10.Farhan’s batting average after 13 innings is 37 runs. How many runs must Farhan score in the next innings to raise the average to 39?
  11. 11.Manav’s batting average after 12 innings is 36 runs. How many runs must Manav score in the next innings to raise the average to 40?
  12. 12.Marks of 5 friends in a quiz: 66, 86, 93, 88, 57. What is their average mark?
  13. 13.Marks of 5 friends in a quiz: 20, 33, 32, 15, 45. What is their average mark?
  14. 14.Marks of 4 friends in a quiz: 26, 33, 43, 26. What is their average mark?
  15. 15.The average weight of 12 children is 28 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 54 kg of sugar a day for 5 days, and then 63 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.The average of 4 numbers is 42. When one more number is added, the average becomes 45. What number was added?
  18. 18.The average weight of 6 children is 44 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 6 numbers is 33. When one more number is added, the average becomes 36. What number was added?
  20. 20.The average weight of 5 children is 35 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 6 friends in a quiz: 69, 58, 44, 73, 74, 36. What is their average mark?
  22. 22.The average weight of 12 children is 30 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average of 8 numbers is 20. When one more number is added, the average becomes 22. What number was added?
  24. 24.The average weight of 7 children is 31 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 7 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  26. 26.The average of 5 numbers is 44. When one more number is added, the average becomes 50. What number was added?
  27. 27.The average of 7 numbers is 24. When one more number is added, the average becomes 29. What number was added?
  28. 28.A shop sells an average of 68 kg of sugar a day for 3 days, and then 42 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.Marks of 5 friends in a quiz: 23, 9, 11, 11, 56. What is their average mark?
  30. 30.A shop sells an average of 58 kg of sugar a day for 2 days, and then 37 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  31. 31.Vivaan’s batting average after 10 innings is 22 runs. How many runs must Vivaan score in the next innings to raise the average to 25?
  32. 32.A shop sells an average of 20 kg of sugar a day for 2 days, and then 77 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.Marks of 4 friends in a quiz: 28, 28, 7, 17. What is their average mark?
  34. 34.The average of 4 numbers is 41. When one more number is added, the average becomes 47. What number was added?
  35. 35.The average of 9 numbers is 29. When one more number is added, the average becomes 34. What number was added?
  36. 36.Marks of 6 friends in a quiz: 27, 34, 28, 38, 46, 43. What is their average mark?
  37. 37.The average weight of 8 children is 28 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.A shop sells an average of 58 kg of sugar a day for 5 days, and then 25 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  39. 39.The average of 5 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  40. 40.The average weight of 12 children is 35 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 50
  2. 57
  3. 79
  4. 84
  5. 45
  6. 61
  7. 58
  8. 83
  9. 27
  10. 65
  11. 88
  12. 78
  13. 29
  14. 32
  15. 26
  16. 58
  17. 57
  18. 42
  19. 54
  20. 34
  21. 59
  22. 29
  23. 38
  24. 30
  25. 32
  26. 80
  27. 64
  28. 55
  29. 22
  30. 44
  31. 55
  32. 58
  33. 20
  34. 71
  35. 79
  36. 36
  37. 26
  38. 40
  39. 23
  40. 33

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