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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 631 · 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 8 numbers is 45. When one more number is added, the average becomes 48. What number was added?
  2. 2.The average of 7 numbers is 47. When one more number is added, the average becomes 49. What number was added?
  3. 3.The average weight of 9 children is 36 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.A shop sells an average of 52 kg of sugar a day for 3 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  5. 5.Kabir’s batting average after 10 innings is 45 runs. How many runs must Kabir score in the next innings to raise the average to 46?
  6. 6.Saanvi’s batting average after 9 innings is 41 runs. How many runs must Saanvi score in the next innings to raise the average to 42?
  7. 7.A shop sells an average of 56 kg of sugar a day for 6 days, and then 41 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  8. 8.The average of 8 numbers is 28. When one more number is added, the average becomes 31. What number was added?
  9. 9.Marks of 4 friends in a quiz: 18, 22, 37, 31. What is their average mark?
  10. 10.Marks of 4 friends in a quiz: 23, 26, 22, 69. What is their average mark?
  11. 11.The average of 6 numbers is 36. When one more number is added, the average becomes 39. What number was added?
  12. 12.A shop sells an average of 61 kg of sugar a day for 2 days, and then 31 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  13. 13.The average weight of 7 children is 38 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average weight of 5 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Ananya’s batting average after 6 innings is 26 runs. How many runs must Ananya score in the next innings to raise the average to 31?
  16. 16.The average weight of 7 children is 37 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 10 children is 37 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 28 kg of sugar a day for 2 days, and then 76 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  19. 19.A shop sells an average of 62 kg of sugar a day for 3 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  20. 20.Dev’s batting average after 14 innings is 47 runs. How many runs must Dev score in the next innings to raise the average to 50?
  21. 21.The average weight of 5 children is 38 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 5 friends in a quiz: 96, 93, 72, 77, 67. What is their average mark?
  23. 23.Aarav’s batting average after 6 innings is 40 runs. How many runs must Aarav score in the next innings to raise the average to 42?
  24. 24.Marks of 6 friends in a quiz: 63, 54, 40, 44, 49, 68. What is their average mark?
  25. 25.Marks of 5 friends in a quiz: 65, 64, 44, 59, 48. What is their average mark?
  26. 26.Marks of 5 friends in a quiz: 47, 44, 57, 43, 69. What is their average mark?
  27. 27.The average of 7 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  28. 28.The average of 9 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  29. 29.Aditya’s batting average after 9 innings is 23 runs. How many runs must Aditya score in the next innings to raise the average to 25?
  30. 30.Marks of 6 friends in a quiz: 59, 63, 76, 63, 69, 54. What is their average mark?
  31. 31.A shop sells an average of 78 kg of sugar a day for 4 days, and then 58 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  32. 32.The average weight of 5 children is 33 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Rahul’s batting average after 6 innings is 23 runs. How many runs must Rahul score in the next innings to raise the average to 24?
  34. 34.Arjun’s batting average after 8 innings is 29 runs. How many runs must Arjun score in the next innings to raise the average to 30?
  35. 35.Sneha’s batting average after 6 innings is 32 runs. How many runs must Sneha score in the next innings to raise the average to 34?
  36. 36.Karan’s batting average after 11 innings is 44 runs. How many runs must Karan score in the next innings to raise the average to 47?
  37. 37.A shop sells an average of 29 kg of sugar a day for 3 days, and then 41 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.Marks of 5 friends in a quiz: 20, 48, 28, 32, 37. What is their average mark?
  39. 39.A shop sells an average of 51 kg of sugar a day for 4 days, and then 21 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.Marks of 4 friends in a quiz: 98, 94, 75, 69. What is their average mark?

Answer key

  1. 72
  2. 63
  3. 33
  4. 56
  5. 56
  6. 51
  7. 50
  8. 55
  9. 27
  10. 35
  11. 57
  12. 46
  13. 35
  14. 28
  15. 61
  16. 35
  17. 34
  18. 64
  19. 47
  20. 92
  21. 37
  22. 81
  23. 54
  24. 53
  25. 56
  26. 52
  27. 50
  28. 36
  29. 43
  30. 64
  31. 66
  32. 32
  33. 30
  34. 38
  35. 46
  36. 80
  37. 35
  38. 33
  39. 41
  40. 84

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