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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 464 · 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 6 friends in a quiz: 62, 54, 52, 54, 47, 61. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 68, 64, 60, 60. What is their average mark?
  3. 3.Marks of 6 friends in a quiz: 59, 52, 51, 37, 35, 66. What is their average mark?
  4. 4.The average weight of 11 children is 45 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average of 8 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  6. 6.Kabir’s batting average after 7 innings is 29 runs. How many runs must Kabir score in the next innings to raise the average to 32?
  7. 7.The average weight of 9 children is 31 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 9 children is 32 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 6 friends in a quiz: 21, 25, 34, 28, 13, 23. What is their average mark?
  10. 10.The average of 5 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  11. 11.The average weight of 5 children is 46 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 49 kg of sugar a day for 2 days, and then 73 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.The average weight of 12 children is 31 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average weight of 12 children is 38 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average weight of 12 children is 33 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 6 friends in a quiz: 20, 28, 14, 38, 31, 43. What is their average mark?
  17. 17.Marks of 6 friends in a quiz: 69, 64, 69, 61, 69, 58. What is their average mark?
  18. 18.A shop sells an average of 65 kg of sugar a day for 4 days, and then 30 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  19. 19.A shop sells an average of 69 kg of sugar a day for 2 days, and then 66 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  20. 20.The average of 6 numbers is 28. When one more number is added, the average becomes 30. What number was added?
  21. 21.The average of 4 numbers is 24. When one more number is added, the average becomes 30. What number was added?
  22. 22.A shop sells an average of 72 kg of sugar a day for 3 days, and then 24 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  23. 23.Marks of 5 friends in a quiz: 32, 31, 31, 37, 34. What is their average mark?
  24. 24.The average of 7 numbers is 32. When one more number is added, the average becomes 38. What number was added?
  25. 25.A shop sells an average of 24 kg of sugar a day for 3 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  26. 26.The average of 4 numbers is 43. When one more number is added, the average becomes 46. What number was added?
  27. 27.Marks of 4 friends in a quiz: 64, 62, 65, 69. What is their average mark?
  28. 28.The average of 7 numbers is 44. When one more number is added, the average becomes 50. What number was added?
  29. 29.Marks of 4 friends in a quiz: 13, 26, 15, 54. What is their average mark?
  30. 30.The average of 6 numbers is 45. When one more number is added, the average becomes 50. What number was added?
  31. 31.A shop sells an average of 28 kg of sugar a day for 3 days, and then 42 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  32. 32.Ananya’s batting average after 8 innings is 43 runs. How many runs must Ananya score in the next innings to raise the average to 47?
  33. 33.The average of 4 numbers is 50. When one more number is added, the average becomes 54. What number was added?
  34. 34.A shop sells an average of 62 kg of sugar a day for 4 days, and then 53 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.Marks of 6 friends in a quiz: 26, 12, 30, 18, 14, 20. What is their average mark?
  36. 36.The average of 8 numbers is 48. When one more number is added, the average becomes 52. What number was added?
  37. 37.A shop sells an average of 21 kg of sugar a day for 2 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  38. 38.The average of 5 numbers is 55. When one more number is added, the average becomes 57. What number was added?
  39. 39.Diya’s batting average after 13 innings is 31 runs. How many runs must Diya score in the next innings to raise the average to 34?
  40. 40.Dev’s batting average after 11 innings is 26 runs. How many runs must Dev score in the next innings to raise the average to 27?

Answer key

  1. 55
  2. 63
  3. 50
  4. 42
  5. 55
  6. 53
  7. 29
  8. 30
  9. 24
  10. 46
  11. 43
  12. 65
  13. 30
  14. 37
  15. 30
  16. 29
  17. 65
  18. 50
  19. 67
  20. 42
  21. 54
  22. 40
  23. 33
  24. 80
  25. 36
  26. 58
  27. 65
  28. 92
  29. 27
  30. 80
  31. 36
  32. 79
  33. 70
  34. 59
  35. 20
  36. 84
  37. 50
  38. 67
  39. 73
  40. 38

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