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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 592 · 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 5 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  2. 2.Marks of 4 friends in a quiz: 36, 19, 20, 17. What is their average mark?
  3. 3.Kabir’s batting average after 5 innings is 42 runs. How many runs must Kabir score in the next innings to raise the average to 45?
  4. 4.The average of 8 numbers is 49. When one more number is added, the average becomes 50. What number was added?
  5. 5.The average weight of 10 children is 44 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Kabir’s batting average after 14 innings is 29 runs. How many runs must Kabir score in the next innings to raise the average to 30?
  7. 7.The average of 7 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  8. 8.A shop sells an average of 28 kg of sugar a day for 6 days, and then 73 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  9. 9.The average weight of 10 children is 37 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.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)?
  11. 11.The average of 5 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  12. 12.The average weight of 6 children is 47 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 6 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  14. 14.Marks of 5 friends in a quiz: 98, 85, 95, 85, 62. What is their average mark?
  15. 15.Marks of 5 friends in a quiz: 39, 29, 30, 40, 82. What is their average mark?
  16. 16.A shop sells an average of 35 kg of sugar a day for 5 days, and then 61 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  17. 17.Saanvi’s batting average after 6 innings is 21 runs. How many runs must Saanvi score in the next innings to raise the average to 22?
  18. 18.Marks of 4 friends in a quiz: 80, 75, 79, 50. What is their average mark?
  19. 19.Marks of 4 friends in a quiz: 59, 65, 76, 92. What is their average mark?
  20. 20.The average of 9 numbers is 19. When one more number is added, the average becomes 25. What number was added?
  21. 21.Marks of 5 friends in a quiz: 43, 39, 23, 43, 12. What is their average mark?
  22. 22.A shop sells an average of 42 kg of sugar a day for 2 days, and then 78 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  23. 23.Marks of 6 friends in a quiz: 44, 29, 28, 53, 38, 42. What is their average mark?
  24. 24.The average of 7 numbers is 22. When one more number is added, the average becomes 28. What number was added?
  25. 25.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average weight of 8 children is 36 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 7 children is 28 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 5 friends in a quiz: 60, 85, 63, 87, 70. What is their average mark?
  29. 29.The average weight of 5 children is 29 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Aditya’s batting average after 6 innings is 20 runs. How many runs must Aditya score in the next innings to raise the average to 21?
  31. 31.The average of 9 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  32. 32.Marks of 4 friends in a quiz: 69, 56, 52, 91. What is their average mark?
  33. 33.A shop sells an average of 48 kg of sugar a day for 2 days, and then 28 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  34. 34.The average of 4 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  35. 35.The average of 7 numbers is 52. When one more number is added, the average becomes 56. What number was added?
  36. 36.Marks of 4 friends in a quiz: 14, 13, 30, 27. What is their average mark?
  37. 37.Vivaan’s batting average after 5 innings is 25 runs. How many runs must Vivaan score in the next innings to raise the average to 26?
  38. 38.Pooja’s batting average after 10 innings is 28 runs. How many runs must Pooja score in the next innings to raise the average to 32?
  39. 39.Marks of 5 friends in a quiz: 25, 30, 34, 28, 58. What is their average mark?
  40. 40.The average weight of 7 children is 38 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 43
  2. 23
  3. 60
  4. 58
  5. 43
  6. 44
  7. 37
  8. 46
  9. 35
  10. 28
  11. 47
  12. 45
  13. 84
  14. 85
  15. 44
  16. 48
  17. 28
  18. 71
  19. 73
  20. 79
  21. 32
  22. 60
  23. 39
  24. 70
  25. 27
  26. 34
  27. 27
  28. 73
  29. 28
  30. 27
  31. 62
  32. 67
  33. 33
  34. 63
  35. 84
  36. 21
  37. 31
  38. 72
  39. 35
  40. 37

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