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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 42 · 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: 39, 22, 32, 39, 13. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 16, 20, 40, 28. What is their average mark?
  3. 3.Kabir’s batting average after 7 innings is 31 runs. How many runs must Kabir score in the next innings to raise the average to 32?
  4. 4.A shop sells an average of 61 kg of sugar a day for 5 days, and then 73 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  5. 5.Sneha’s batting average after 9 innings is 29 runs. How many runs must Sneha score in the next innings to raise the average to 32?
  6. 6.Dev’s batting average after 15 innings is 39 runs. How many runs must Dev score in the next innings to raise the average to 40?
  7. 7.Arjun’s batting average after 12 innings is 49 runs. How many runs must Arjun score in the next innings to raise the average to 52?
  8. 8.The average of 5 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  9. 9.The average of 4 numbers is 20. When one more number is added, the average becomes 25. What number was added?
  10. 10.Marks of 6 friends in a quiz: 15, 38, 12, 31, 16, 44. What is their average mark?
  11. 11.The average weight of 12 children is 29 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 9 numbers is 44. When one more number is added, the average becomes 46. What number was added?
  13. 13.The average of 7 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  14. 14.A shop sells an average of 44 kg of sugar a day for 3 days, and then 51 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  15. 15.The average weight of 6 children is 45 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 5 friends in a quiz: 90, 96, 76, 70, 93. What is their average mark?
  17. 17.The average of 8 numbers is 58. When one more number is added, the average becomes 60. What number was added?
  18. 18.The average weight of 11 children is 38 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Vivaan’s batting average after 11 innings is 31 runs. How many runs must Vivaan score in the next innings to raise the average to 36?
  20. 20.Priya’s batting average after 9 innings is 26 runs. How many runs must Priya score in the next innings to raise the average to 27?
  21. 21.The average of 5 numbers is 36. When one more number is added, the average becomes 39. What number was added?
  22. 22.Priya’s batting average after 5 innings is 26 runs. How many runs must Priya score in the next innings to raise the average to 27?
  23. 23.A shop sells an average of 77 kg of sugar a day for 3 days, and then 37 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  24. 24.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 5 numbers is 40. When one more number is added, the average becomes 45. What number was added?
  26. 26.Priya’s batting average after 6 innings is 23 runs. How many runs must Priya score in the next innings to raise the average to 27?
  27. 27.The average of 6 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  28. 28.Marks of 4 friends in a quiz: 62, 72, 49, 57. What is their average mark?
  29. 29.The average of 9 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  30. 30.The average weight of 11 children is 47 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Arjun’s batting average after 11 innings is 24 runs. How many runs must Arjun score in the next innings to raise the average to 27?
  32. 32.Sneha’s batting average after 7 innings is 40 runs. How many runs must Sneha score in the next innings to raise the average to 45?
  33. 33.Marks of 5 friends in a quiz: 25, 21, 13, 22, 24. What is their average mark?
  34. 34.A shop sells an average of 40 kg of sugar a day for 2 days, and then 76 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  35. 35.The average of 7 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  36. 36.The average weight of 6 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average weight of 7 children is 42 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 5 children is 45 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average of 4 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  40. 40.The average weight of 7 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 29
  2. 26
  3. 39
  4. 67
  5. 59
  6. 55
  7. 88
  8. 65
  9. 45
  10. 26
  11. 26
  12. 64
  13. 57
  14. 48
  15. 42
  16. 85
  17. 76
  18. 36
  19. 91
  20. 36
  21. 54
  22. 32
  23. 57
  24. 38
  25. 70
  26. 51
  27. 34
  28. 60
  29. 94
  30. 45
  31. 60
  32. 80
  33. 21
  34. 58
  35. 64
  36. 32
  37. 41
  38. 44
  39. 87
  40. 31

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