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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 254 · 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 weight of 7 children is 44 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 5 numbers is 55. When one more number is added, the average becomes 61. What number was added?
  3. 3.A shop sells an average of 72 kg of sugar a day for 2 days, and then 58 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  4. 4.The average of 6 numbers is 32. When one more number is added, the average becomes 38. What number was added?
  5. 5.Karan’s batting average after 10 innings is 33 runs. How many runs must Karan score in the next innings to raise the average to 38?
  6. 6.The average weight of 8 children is 39 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 5 numbers is 30. When one more number is added, the average becomes 35. What number was added?
  8. 8.The average weight of 5 children is 34 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.A shop sells an average of 33 kg of sugar a day for 6 days, and then 22 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  10. 10.The average weight of 8 children is 26 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 4 friends in a quiz: 29, 37, 25, 53. What is their average mark?
  12. 12.The average of 4 numbers is 56. When one more number is added, the average becomes 61. What number was added?
  13. 13.The average of 9 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  14. 14.Aarav’s batting average after 13 innings is 48 runs. How many runs must Aarav score in the next innings to raise the average to 49?
  15. 15.The average weight of 10 children is 31 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Ishaan’s batting average after 7 innings is 37 runs. How many runs must Ishaan score in the next innings to raise the average to 38?
  17. 17.A shop sells an average of 42 kg of sugar a day for 2 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.Marks of 4 friends in a quiz: 45, 43, 48, 36. What is their average mark?
  19. 19.Marks of 5 friends in a quiz: 37, 42, 42, 16, 13. What is their average mark?
  20. 20.The average weight of 8 children is 47 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.A shop sells an average of 23 kg of sugar a day for 5 days, and then 79 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  22. 22.A shop sells an average of 26 kg of sugar a day for 4 days, and then 56 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  23. 23.A shop sells an average of 25 kg of sugar a day for 4 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  24. 24.Marks of 4 friends in a quiz: 48, 48, 38, 18. What is their average mark?
  25. 25.A shop sells an average of 22 kg of sugar a day for 4 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  26. 26.The average of 8 numbers is 40. When one more number is added, the average becomes 43. What number was added?
  27. 27.Marks of 6 friends in a quiz: 70, 72, 56, 66, 61, 89. What is their average mark?
  28. 28.The average of 6 numbers is 52. When one more number is added, the average becomes 57. What number was added?
  29. 29.A shop sells an average of 63 kg of sugar a day for 4 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.Ananya’s batting average after 6 innings is 30 runs. How many runs must Ananya score in the next innings to raise the average to 34?
  31. 31.Saanvi’s batting average after 14 innings is 30 runs. How many runs must Saanvi score in the next innings to raise the average to 33?
  32. 32.Marks of 5 friends in a quiz: 67, 58, 74, 77, 84. What is their average mark?
  33. 33.Marks of 6 friends in a quiz: 10, 33, 6, 15, 23, 33. What is their average mark?
  34. 34.A shop sells an average of 76 kg of sugar a day for 3 days, and then 70 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  35. 35.Marks of 4 friends in a quiz: 65, 49, 68, 50. What is their average mark?
  36. 36.The average of 7 numbers is 59. When one more number is added, the average becomes 64. What number was added?
  37. 37.A shop sells an average of 49 kg of sugar a day for 5 days, and then 60 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  38. 38.The average of 7 numbers is 46. When one more number is added, the average becomes 51. What number was added?
  39. 39.Marks of 6 friends in a quiz: 45, 47, 35, 29, 25, 41. What is their average mark?
  40. 40.The average of 5 numbers is 33. When one more number is added, the average becomes 37. What number was added?

Answer key

  1. 41
  2. 91
  3. 62
  4. 74
  5. 88
  6. 36
  7. 60
  8. 31
  9. 28
  10. 25
  11. 36
  12. 81
  13. 73
  14. 62
  15. 28
  16. 45
  17. 38
  18. 43
  19. 30
  20. 45
  21. 44
  22. 44
  23. 24
  24. 38
  25. 46
  26. 67
  27. 69
  28. 87
  29. 58
  30. 58
  31. 75
  32. 72
  33. 20
  34. 72
  35. 58
  36. 99
  37. 55
  38. 86
  39. 37
  40. 57

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