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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 178 · 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 4 friends in a quiz: 83, 87, 85, 65. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 42, 65, 45, 56. What is their average mark?
  3. 3.The average of 4 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  4. 4.Marks of 6 friends in a quiz: 20, 14, 25, 27, 39, 49. What is their average mark?
  5. 5.Marks of 4 friends in a quiz: 51, 44, 63, 66. What is their average mark?
  6. 6.A shop sells an average of 26 kg of sugar a day for 4 days, and then 28 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  7. 7.The average of 7 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  8. 8.Ananya’s batting average after 8 innings is 36 runs. How many runs must Ananya score in the next innings to raise the average to 39?
  9. 9.A shop sells an average of 52 kg of sugar a day for 2 days, and then 61 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  10. 10.A shop sells an average of 51 kg of sugar a day for 3 days, and then 42 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  11. 11.The average of 4 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  12. 12.A shop sells an average of 30 kg of sugar a day for 2 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  13. 13.A shop sells an average of 46 kg of sugar a day for 3 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  14. 14.Marks of 6 friends in a quiz: 27, 13, 7, 6, 25, 48. What is their average mark?
  15. 15.Karan’s batting average after 15 innings is 33 runs. How many runs must Karan score in the next innings to raise the average to 38?
  16. 16.Kavya’s batting average after 6 innings is 39 runs. How many runs must Kavya score in the next innings to raise the average to 44?
  17. 17.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)?
  18. 18.The average weight of 12 children is 32 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 4 numbers is 58. When one more number is added, the average becomes 61. What number was added?
  20. 20.Farhan’s batting average after 9 innings is 26 runs. How many runs must Farhan score in the next innings to raise the average to 29?
  21. 21.A shop sells an average of 20 kg of sugar a day for 3 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.The average weight of 11 children is 40 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Karan’s batting average after 15 innings is 31 runs. How many runs must Karan score in the next innings to raise the average to 35?
  24. 24.Saanvi’s batting average after 11 innings is 48 runs. How many runs must Saanvi score in the next innings to raise the average to 52?
  25. 25.Diya’s batting average after 9 innings is 21 runs. How many runs must Diya score in the next innings to raise the average to 22?
  26. 26.The average weight of 10 children is 38 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 4 friends in a quiz: 58, 66, 70, 38. What is their average mark?
  28. 28.Marks of 5 friends in a quiz: 48, 54, 49, 55, 84. What is their average mark?
  29. 29.The average of 5 numbers is 41. When one more number is added, the average becomes 47. What number was added?
  30. 30.Farhan’s batting average after 6 innings is 25 runs. How many runs must Farhan score in the next innings to raise the average to 30?
  31. 31.The average of 7 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  32. 32.The average of 6 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  33. 33.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)?
  34. 34.The average of 5 numbers is 36. When one more number is added, the average becomes 38. What number was added?
  35. 35.A shop sells an average of 78 kg of sugar a day for 2 days, and then 69 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.Marks of 5 friends in a quiz: 28, 45, 29, 31, 82. What is their average mark?
  37. 37.Kavya’s batting average after 9 innings is 33 runs. How many runs must Kavya score in the next innings to raise the average to 37?
  38. 38.Marks of 5 friends in a quiz: 42, 44, 56, 35, 48. What is their average mark?
  39. 39.Marks of 4 friends in a quiz: 65, 58, 58, 67. What is their average mark?
  40. 40.The average weight of 9 children is 44 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 80
  2. 52
  3. 55
  4. 29
  5. 56
  6. 27
  7. 63
  8. 63
  9. 58
  10. 45
  11. 32
  12. 45
  13. 62
  14. 21
  15. 113
  16. 74
  17. 32
  18. 30
  19. 73
  20. 56
  21. 49
  22. 39
  23. 95
  24. 96
  25. 31
  26. 37
  27. 58
  28. 58
  29. 77
  30. 60
  31. 43
  32. 68
  33. 30
  34. 48
  35. 72
  36. 43
  37. 73
  38. 45
  39. 62
  40. 43

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