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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 214 · 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 5 friends in a quiz: 95, 70, 82, 79, 79. What is their average mark?
  2. 2.The average weight of 11 children is 47 kg. One child, who weighs 77 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Aarav’s batting average after 5 innings is 33 runs. How many runs must Aarav score in the next innings to raise the average to 34?
  4. 4.The average of 5 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  5. 5.Marks of 5 friends in a quiz: 10, 13, 17, 36, 49. What is their average mark?
  6. 6.A shop sells an average of 65 kg of sugar a day for 3 days, and then 55 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  7. 7.Karan’s batting average after 11 innings is 20 runs. How many runs must Karan score in the next innings to raise the average to 21?
  8. 8.Marks of 4 friends in a quiz: 86, 68, 84, 74. What is their average mark?
  9. 9.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)?
  10. 10.Marks of 6 friends in a quiz: 64, 64, 77, 64, 79, 90. What is their average mark?
  11. 11.Nisha’s batting average after 9 innings is 21 runs. How many runs must Nisha score in the next innings to raise the average to 23?
  12. 12.Marks of 4 friends in a quiz: 37, 41, 19, 7. What is their average mark?
  13. 13.Marks of 5 friends in a quiz: 32, 26, 29, 41, 47. What is their average mark?
  14. 14.The average of 6 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  15. 15.Marks of 4 friends in a quiz: 66, 77, 82, 75. What is their average mark?
  16. 16.Marks of 6 friends in a quiz: 33, 26, 36, 46, 27, 72. What is their average mark?
  17. 17.The average weight of 7 children is 35 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 50 kg of sugar a day for 3 days, and then 70 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  19. 19.Marks of 4 friends in a quiz: 22, 25, 20, 65. What is their average mark?
  20. 20.Marks of 6 friends in a quiz: 65, 43, 71, 51, 43, 75. What is their average mark?
  21. 21.The average weight of 12 children is 34 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.A shop sells an average of 55 kg of sugar a day for 5 days, and then 27 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  23. 23.Meera’s batting average after 10 innings is 29 runs. How many runs must Meera score in the next innings to raise the average to 31?
  24. 24.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)?
  25. 25.The average of 7 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  26. 26.A shop sells an average of 76 kg of sugar a day for 2 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  27. 27.Marks of 6 friends in a quiz: 22, 20, 21, 28, 28, 85. What is their average mark?
  28. 28.Marks of 5 friends in a quiz: 25, 25, 9, 13, 48. What is their average mark?
  29. 29.A shop sells an average of 34 kg of sugar a day for 4 days, and then 58 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.The average of 8 numbers is 46. When one more number is added, the average becomes 52. What number was added?
  31. 31.The average of 8 numbers is 36. When one more number is added, the average becomes 42. What number was added?
  32. 32.Marks of 5 friends in a quiz: 31, 5, 22, 27, 15. What is their average mark?
  33. 33.The average of 5 numbers is 34. When one more number is added, the average becomes 39. What number was added?
  34. 34.The average of 4 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  35. 35.Marks of 5 friends in a quiz: 35, 41, 42, 28, 69. What is their average mark?
  36. 36.Marks of 5 friends in a quiz: 72, 83, 62, 89, 74. What is their average mark?
  37. 37.Marks of 4 friends in a quiz: 90, 95, 98, 61. What is their average mark?
  38. 38.The average weight of 6 children is 41 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 6 friends in a quiz: 53, 63, 59, 38, 35, 40. What is their average mark?
  40. 40.Marks of 4 friends in a quiz: 36, 29, 31, 64. What is their average mark?

Answer key

  1. 81
  2. 44
  3. 39
  4. 62
  5. 25
  6. 60
  7. 32
  8. 78
  9. 30
  10. 73
  11. 41
  12. 26
  13. 35
  14. 41
  15. 75
  16. 40
  17. 33
  18. 58
  19. 33
  20. 58
  21. 33
  22. 41
  23. 51
  24. 28
  25. 54
  26. 65
  27. 34
  28. 24
  29. 42
  30. 100
  31. 90
  32. 20
  33. 64
  34. 67
  35. 43
  36. 76
  37. 86
  38. 38
  39. 48
  40. 40

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