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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 417 · 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 12 children is 41 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 21 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)?
  3. 3.The average of 9 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  4. 4.The average of 6 numbers is 33. When one more number is added, the average becomes 36. What number was added?
  5. 5.Marks of 4 friends in a quiz: 20, 20, 19, 21. What is their average mark?
  6. 6.Marks of 4 friends in a quiz: 14, 38, 33, 19. What is their average mark?
  7. 7.The average of 6 numbers is 54. When one more number is added, the average becomes 60. What number was added?
  8. 8.The average weight of 10 children is 35 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 5 friends in a quiz: 13, 23, 20, 42, 42. What is their average mark?
  10. 10.The average of 5 numbers is 22. When one more number is added, the average becomes 28. What number was added?
  11. 11.Meera’s batting average after 11 innings is 33 runs. How many runs must Meera score in the next innings to raise the average to 36?
  12. 12.Karan’s batting average after 10 innings is 31 runs. How many runs must Karan score in the next innings to raise the average to 34?
  13. 13.The average weight of 10 children is 40 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 4 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  15. 15.Kabir’s batting average after 11 innings is 30 runs. How many runs must Kabir score in the next innings to raise the average to 33?
  16. 16.The average of 4 numbers is 30. When one more number is added, the average becomes 36. What number was added?
  17. 17.Kabir’s batting average after 8 innings is 27 runs. How many runs must Kabir score in the next innings to raise the average to 29?
  18. 18.Aditya’s batting average after 15 innings is 28 runs. How many runs must Aditya score in the next innings to raise the average to 31?
  19. 19.Ishaan’s batting average after 5 innings is 44 runs. How many runs must Ishaan score in the next innings to raise the average to 47?
  20. 20.The average of 9 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  21. 21.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)?
  22. 22.The average weight of 12 children is 38 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average of 7 numbers is 54. When one more number is added, the average becomes 57. What number was added?
  24. 24.A shop sells an average of 60 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)?
  25. 25.The average of 7 numbers is 26. When one more number is added, the average becomes 29. What number was added?
  26. 26.Marks of 4 friends in a quiz: 60, 54, 62, 40. What is their average mark?
  27. 27.The average of 4 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  28. 28.A shop sells an average of 73 kg of sugar a day for 2 days, and then 52 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  29. 29.Marks of 4 friends in a quiz: 66, 67, 55, 80. What is their average mark?
  30. 30.The average weight of 6 children is 30 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 6 friends in a quiz: 37, 60, 58, 34, 53, 40. What is their average mark?
  32. 32.The average weight of 5 children is 30 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Aarav’s batting average after 7 innings is 20 runs. How many runs must Aarav score in the next innings to raise the average to 23?
  34. 34.The average weight of 6 children is 31 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 26 kg of sugar a day for 4 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.Pooja’s batting average after 15 innings is 37 runs. How many runs must Pooja score in the next innings to raise the average to 42?
  37. 37.Marks of 4 friends in a quiz: 43, 61, 72, 52. What is their average mark?
  38. 38.A shop sells an average of 27 kg of sugar a day for 2 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  39. 39.Nisha’s batting average after 13 innings is 31 runs. How many runs must Nisha score in the next innings to raise the average to 33?
  40. 40.Marks of 5 friends in a quiz: 24, 13, 12, 29, 42. What is their average mark?

Answer key

  1. 38
  2. 41
  3. 26
  4. 54
  5. 20
  6. 26
  7. 96
  8. 32
  9. 28
  10. 58
  11. 69
  12. 64
  13. 39
  14. 45
  15. 66
  16. 60
  17. 45
  18. 76
  19. 62
  20. 54
  21. 32
  22. 37
  23. 78
  24. 36
  25. 50
  26. 54
  27. 63
  28. 58
  29. 67
  30. 29
  31. 47
  32. 29
  33. 44
  34. 30
  35. 39
  36. 117
  37. 57
  38. 33
  39. 59
  40. 24

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