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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 554 · 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 26 kg of sugar a day for 6 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  2. 2.The average of 5 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  3. 3.Marks of 5 friends in a quiz: 61, 66, 62, 69, 77. What is their average mark?
  4. 4.Rohan’s batting average after 12 innings is 30 runs. How many runs must Rohan score in the next innings to raise the average to 34?
  5. 5.Arjun’s batting average after 14 innings is 45 runs. How many runs must Arjun score in the next innings to raise the average to 46?
  6. 6.The average of 9 numbers is 37. When one more number is added, the average becomes 43. What number was added?
  7. 7.Marks of 6 friends in a quiz: 64, 43, 49, 58, 60, 56. What is their average mark?
  8. 8.The average of 5 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  9. 9.Marks of 6 friends in a quiz: 8, 29, 12, 12, 27, 38. What is their average mark?
  10. 10.The average of 5 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  11. 11.The average of 5 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  12. 12.The average weight of 11 children is 37 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 9 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  14. 14.Marks of 6 friends in a quiz: 33, 54, 33, 49, 50, 45. What is their average mark?
  15. 15.The average weight of 5 children is 39 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average weight of 7 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 73 kg of sugar a day for 2 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  18. 18.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)?
  19. 19.The average of 7 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  20. 20.A shop sells an average of 29 kg of sugar a day for 5 days, and then 50 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  21. 21.Aarav’s batting average after 13 innings is 45 runs. How many runs must Aarav score in the next innings to raise the average to 46?
  22. 22.Nisha’s batting average after 14 innings is 24 runs. How many runs must Nisha score in the next innings to raise the average to 28?
  23. 23.The average of 6 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  24. 24.The average of 5 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  25. 25.The average of 9 numbers is 55. When one more number is added, the average becomes 57. What number was added?
  26. 26.The average weight of 9 children is 28 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.A shop sells an average of 75 kg of sugar a day for 3 days, and then 72 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  28. 28.A shop sells an average of 63 kg of sugar a day for 4 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.The average of 7 numbers is 32. When one more number is added, the average becomes 36. What number was added?
  30. 30.Marks of 5 friends in a quiz: 62, 51, 64, 61, 67. What is their average mark?
  31. 31.Saanvi’s batting average after 8 innings is 39 runs. How many runs must Saanvi score in the next innings to raise the average to 41?
  32. 32.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)?
  33. 33.Priya’s batting average after 10 innings is 49 runs. How many runs must Priya score in the next innings to raise the average to 50?
  34. 34.A shop sells an average of 68 kg of sugar a day for 4 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  35. 35.Meera’s batting average after 6 innings is 37 runs. How many runs must Meera score in the next innings to raise the average to 41?
  36. 36.Marks of 4 friends in a quiz: 68, 90, 67, 75. What is their average mark?
  37. 37.Kabir’s batting average after 11 innings is 24 runs. How many runs must Kabir score in the next innings to raise the average to 26?
  38. 38.The average of 5 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  39. 39.The average weight of 5 children is 33 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 5 friends in a quiz: 47, 24, 24, 32, 68. What is their average mark?

Answer key

  1. 29
  2. 34
  3. 67
  4. 82
  5. 60
  6. 97
  7. 55
  8. 27
  9. 21
  10. 48
  11. 39
  12. 34
  13. 89
  14. 44
  15. 38
  16. 34
  17. 54
  18. 67
  19. 68
  20. 35
  21. 59
  22. 84
  23. 46
  24. 21
  25. 75
  26. 26
  27. 73
  28. 60
  29. 64
  30. 61
  31. 57
  32. 29
  33. 60
  34. 50
  35. 65
  36. 75
  37. 48
  38. 58
  39. 32
  40. 39

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