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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 350 · 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 6 friends in a quiz: 40, 37, 45, 23, 28, 25. What is their average mark?
  2. 2.The average weight of 10 children is 46 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Kabir’s batting average after 11 innings is 46 runs. How many runs must Kabir score in the next innings to raise the average to 51?
  4. 4.Marks of 4 friends in a quiz: 13, 25, 35, 19. What is their average mark?
  5. 5.The average weight of 11 children is 35 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Diya’s batting average after 15 innings is 32 runs. How many runs must Diya score in the next innings to raise the average to 36?
  7. 7.Kabir’s batting average after 12 innings is 32 runs. How many runs must Kabir score in the next innings to raise the average to 34?
  8. 8.The average weight of 11 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 9 numbers is 40. When one more number is added, the average becomes 44. What number was added?
  10. 10.Marks of 6 friends in a quiz: 74, 92, 79, 89, 74, 66. What is their average mark?
  11. 11.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)?
  12. 12.Marks of 4 friends in a quiz: 23, 26, 33, 58. What is their average mark?
  13. 13.Meera’s batting average after 15 innings is 33 runs. How many runs must Meera score in the next innings to raise the average to 35?
  14. 14.The average of 5 numbers is 49. When one more number is added, the average becomes 52. What number was added?
  15. 15.Aarav’s batting average after 11 innings is 26 runs. How many runs must Aarav score in the next innings to raise the average to 28?
  16. 16.Marks of 4 friends in a quiz: 25, 38, 19, 42. What is their average mark?
  17. 17.Marks of 4 friends in a quiz: 81, 83, 91, 85. What is their average mark?
  18. 18.Sneha’s batting average after 15 innings is 22 runs. How many runs must Sneha score in the next innings to raise the average to 25?
  19. 19.A shop sells an average of 62 kg of sugar a day for 3 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  20. 20.Ananya’s batting average after 9 innings is 42 runs. How many runs must Ananya score in the next innings to raise the average to 46?
  21. 21.Marks of 5 friends in a quiz: 29, 52, 42, 34, 53. What is their average mark?
  22. 22.A shop sells an average of 41 kg of sugar a day for 2 days, and then 45 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  23. 23.Arjun’s batting average after 11 innings is 21 runs. How many runs must Arjun score in the next innings to raise the average to 26?
  24. 24.Arjun’s batting average after 6 innings is 36 runs. How many runs must Arjun score in the next innings to raise the average to 37?
  25. 25.Marks of 4 friends in a quiz: 58, 58, 68, 72. What is their average mark?
  26. 26.A shop sells an average of 56 kg of sugar a day for 3 days, and then 58 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.The average of 5 numbers is 53. When one more number is added, the average becomes 58. What number was added?
  28. 28.Marks of 5 friends in a quiz: 72, 71, 70, 74, 28. What is their average mark?
  29. 29.A shop sells an average of 27 kg of sugar a day for 2 days, and then 45 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.A shop sells an average of 61 kg of sugar a day for 5 days, and then 79 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  31. 31.A shop sells an average of 22 kg of sugar a day for 4 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  32. 32.The average weight of 7 children is 37 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 34 kg of sugar a day for 4 days, and then 50 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  34. 34.Marks of 6 friends in a quiz: 8, 35, 18, 20, 8, 31. What is their average mark?
  35. 35.The average of 7 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  36. 36.Ishaan’s batting average after 9 innings is 32 runs. How many runs must Ishaan score in the next innings to raise the average to 34?
  37. 37.A shop sells an average of 68 kg of sugar a day for 5 days, and then 26 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  38. 38.Vivaan’s batting average after 5 innings is 23 runs. How many runs must Vivaan score in the next innings to raise the average to 28?
  39. 39.The average of 5 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  40. 40.Marks of 5 friends in a quiz: 89, 78, 72, 86, 75. What is their average mark?

Answer key

  1. 33
  2. 44
  3. 106
  4. 23
  5. 32
  6. 96
  7. 58
  8. 37
  9. 80
  10. 79
  11. 33
  12. 35
  13. 65
  14. 67
  15. 50
  16. 31
  17. 85
  18. 70
  19. 44
  20. 82
  21. 42
  22. 43
  23. 81
  24. 43
  25. 64
  26. 57
  27. 83
  28. 63
  29. 39
  30. 70
  31. 28
  32. 34
  33. 42
  34. 20
  35. 42
  36. 52
  37. 47
  38. 53
  39. 40
  40. 80

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