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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 404 · 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.The average of 7 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  2. 2.The average weight of 6 children is 39 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Marks of 4 friends in a quiz: 79, 62, 63, 56. What is their average mark?
  4. 4.Marks of 5 friends in a quiz: 67, 54, 61, 74, 89. What is their average mark?
  5. 5.Kabir’s batting average after 10 innings is 38 runs. How many runs must Kabir score in the next innings to raise the average to 43?
  6. 6.Ananya’s batting average after 14 innings is 39 runs. How many runs must Ananya score in the next innings to raise the average to 42?
  7. 7.The average of 5 numbers is 29. When one more number is added, the average becomes 32. What number was added?
  8. 8.The average of 7 numbers is 55. When one more number is added, the average becomes 60. What number was added?
  9. 9.The average weight of 12 children is 30 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Diya’s batting average after 10 innings is 47 runs. How many runs must Diya score in the next innings to raise the average to 51?
  11. 11.A shop sells an average of 21 kg of sugar a day for 2 days, and then 45 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  12. 12.Marks of 4 friends in a quiz: 76, 99, 99, 66. What is their average mark?
  13. 13.Marks of 4 friends in a quiz: 45, 35, 29, 31. What is their average mark?
  14. 14.Marks of 4 friends in a quiz: 44, 58, 47, 51. What is their average mark?
  15. 15.Aditya’s batting average after 6 innings is 32 runs. How many runs must Aditya score in the next innings to raise the average to 33?
  16. 16.Meera’s batting average after 7 innings is 35 runs. How many runs must Meera score in the next innings to raise the average to 36?
  17. 17.A shop sells an average of 22 kg of sugar a day for 5 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  18. 18.The average weight of 10 children is 45 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 8 numbers is 54. When one more number is added, the average becomes 60. What number was added?
  20. 20.The average weight of 12 children is 37 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average weight of 6 children is 43 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 6 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  23. 23.The average weight of 6 children is 32 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 56 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)?
  25. 25.Isha’s batting average after 6 innings is 41 runs. How many runs must Isha score in the next innings to raise the average to 42?
  26. 26.The average weight of 6 children is 33 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Zoya’s batting average after 13 innings is 43 runs. How many runs must Zoya score in the next innings to raise the average to 47?
  28. 28.A shop sells an average of 36 kg of sugar a day for 2 days, and then 56 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.A shop sells an average of 72 kg of sugar a day for 6 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  30. 30.Marks of 5 friends in a quiz: 25, 12, 13, 38, 32. What is their average mark?
  31. 31.The average weight of 8 children is 47 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A shop sells an average of 66 kg of sugar a day for 4 days, and then 51 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.The average of 6 numbers is 58. When one more number is added, the average becomes 62. What number was added?
  34. 34.The average of 9 numbers is 39. When one more number is added, the average becomes 45. What number was added?
  35. 35.A shop sells an average of 32 kg of sugar a day for 5 days, and then 80 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  36. 36.Ananya’s batting average after 13 innings is 29 runs. How many runs must Ananya score in the next innings to raise the average to 31?
  37. 37.The average of 5 numbers is 45. When one more number is added, the average becomes 50. What number was added?
  38. 38.Isha’s batting average after 11 innings is 30 runs. How many runs must Isha score in the next innings to raise the average to 32?
  39. 39.Dev’s batting average after 14 innings is 31 runs. How many runs must Dev score in the next innings to raise the average to 36?
  40. 40.A shop sells an average of 43 kg of sugar a day for 4 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 48
  2. 36
  3. 65
  4. 69
  5. 93
  6. 84
  7. 47
  8. 95
  9. 28
  10. 91
  11. 39
  12. 85
  13. 35
  14. 50
  15. 39
  16. 43
  17. 46
  18. 43
  19. 108
  20. 36
  21. 41
  22. 53
  23. 29
  24. 48
  25. 48
  26. 32
  27. 99
  28. 51
  29. 66
  30. 24
  31. 44
  32. 61
  33. 86
  34. 99
  35. 50
  36. 57
  37. 75
  38. 54
  39. 106
  40. 38

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