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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 613 · 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 33 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 4 friends in a quiz: 55, 59, 48, 22. What is their average mark?
  3. 3.Marks of 5 friends in a quiz: 27, 29, 21, 35, 13. What is their average mark?
  4. 4.Pooja’s batting average after 7 innings is 37 runs. How many runs must Pooja score in the next innings to raise the average to 39?
  5. 5.Ananya’s batting average after 14 innings is 29 runs. How many runs must Ananya score in the next innings to raise the average to 30?
  6. 6.Marks of 4 friends in a quiz: 43, 48, 56, 33. What is their average mark?
  7. 7.Marks of 5 friends in a quiz: 66, 67, 71, 78, 68. What is their average mark?
  8. 8.Marks of 5 friends in a quiz: 82, 80, 65, 60, 63. What is their average mark?
  9. 9.Marks of 6 friends in a quiz: 32, 24, 37, 25, 21, 53. What is their average mark?
  10. 10.A shop sells an average of 79 kg of sugar a day for 3 days, and then 39 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.A shop sells an average of 32 kg of sugar a day for 3 days, and then 20 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  12. 12.A shop sells an average of 35 kg of sugar a day for 2 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  13. 13.Marks of 6 friends in a quiz: 98, 78, 82, 83, 95, 74. What is their average mark?
  14. 14.The average of 6 numbers is 46. When one more number is added, the average becomes 50. What number was added?
  15. 15.Vivaan’s batting average after 14 innings is 46 runs. How many runs must Vivaan score in the next innings to raise the average to 50?
  16. 16.Rohan’s batting average after 7 innings is 20 runs. How many runs must Rohan score in the next innings to raise the average to 21?
  17. 17.Marks of 5 friends in a quiz: 14, 19, 19, 33, 40. What is their average mark?
  18. 18.A shop sells an average of 43 kg of sugar a day for 2 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  19. 19.A shop sells an average of 22 kg of sugar a day for 2 days, and then 62 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  20. 20.The average of 5 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  21. 21.A shop sells an average of 52 kg of sugar a day for 6 days, and then 62 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  22. 22.Marks of 6 friends in a quiz: 95, 100, 72, 87, 100, 68. What is their average mark?
  23. 23.A shop sells an average of 57 kg of sugar a day for 2 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  24. 24.A shop sells an average of 68 kg of sugar a day for 3 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.The average weight of 8 children is 34 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 6 friends in a quiz: 33, 35, 34, 41, 47, 56. What is their average mark?
  27. 27.Kavya’s batting average after 12 innings is 22 runs. How many runs must Kavya score in the next innings to raise the average to 25?
  28. 28.The average weight of 9 children is 39 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 51 kg of sugar a day for 6 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  30. 30.The average of 4 numbers is 59. When one more number is added, the average becomes 60. What number was added?
  31. 31.Marks of 5 friends in a quiz: 52, 61, 59, 54, 54. What is their average mark?
  32. 32.Karan’s batting average after 11 innings is 24 runs. How many runs must Karan score in the next innings to raise the average to 25?
  33. 33.Marks of 6 friends in a quiz: 22, 31, 30, 15, 8, 14. What is their average mark?
  34. 34.Marks of 6 friends in a quiz: 39, 62, 61, 42, 34, 44. What is their average mark?
  35. 35.Marks of 4 friends in a quiz: 27, 22, 32, 7. What is their average mark?
  36. 36.A shop sells an average of 74 kg of sugar a day for 3 days, and then 46 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.The average weight of 8 children is 45 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 4 numbers is 32. When one more number is added, the average becomes 36. What number was added?
  39. 39.Marks of 5 friends in a quiz: 56, 46, 56, 38, 44. What is their average mark?
  40. 40.A shop sells an average of 36 kg of sugar a day for 4 days, and then 57 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?

Answer key

  1. 32
  2. 46
  3. 25
  4. 53
  5. 44
  6. 45
  7. 70
  8. 70
  9. 32
  10. 54
  11. 24
  12. 57
  13. 85
  14. 74
  15. 106
  16. 28
  17. 25
  18. 36
  19. 46
  20. 31
  21. 56
  22. 87
  23. 52
  24. 47
  25. 32
  26. 41
  27. 61
  28. 38
  29. 61
  30. 64
  31. 56
  32. 36
  33. 20
  34. 47
  35. 22
  36. 60
  37. 44
  38. 52
  39. 48
  40. 45

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