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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 29 · 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.A shop sells an average of 51 kg of sugar a day for 6 days, and then 27 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  2. 2.Sneha’s batting average after 5 innings is 27 runs. How many runs must Sneha score in the next innings to raise the average to 31?
  3. 3.Kabir’s batting average after 15 innings is 36 runs. How many runs must Kabir score in the next innings to raise the average to 38?
  4. 4.Marks of 4 friends in a quiz: 17, 9, 8, 58. What is their average mark?
  5. 5.The average of 7 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  6. 6.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)?
  7. 7.The average weight of 9 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 12 children is 42 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 6 friends in a quiz: 71, 85, 79, 81, 77, 87. What is their average mark?
  10. 10.The average weight of 5 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average weight of 9 children is 33 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Karan’s batting average after 7 innings is 32 runs. How many runs must Karan score in the next innings to raise the average to 37?
  13. 13.Karan’s batting average after 7 innings is 28 runs. How many runs must Karan score in the next innings to raise the average to 31?
  14. 14.Isha’s batting average after 13 innings is 32 runs. How many runs must Isha score in the next innings to raise the average to 37?
  15. 15.A shop sells an average of 41 kg of sugar a day for 3 days, and then 56 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  16. 16.A shop sells an average of 40 kg of sugar a day for 5 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  17. 17.Marks of 4 friends in a quiz: 37, 47, 43, 69. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 79, 81, 83, 77. What is their average mark?
  19. 19.The average weight of 6 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 5 numbers is 53. When one more number is added, the average becomes 59. What number was added?
  21. 21.The average weight of 12 children is 28 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Farhan’s batting average after 10 innings is 26 runs. How many runs must Farhan score in the next innings to raise the average to 31?
  23. 23.The average of 9 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  24. 24.Dev’s batting average after 11 innings is 25 runs. How many runs must Dev score in the next innings to raise the average to 28?
  25. 25.Marks of 6 friends in a quiz: 28, 58, 44, 40, 30, 58. What is their average mark?
  26. 26.The average of 8 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  27. 27.The average of 6 numbers is 34. When one more number is added, the average becomes 35. What number was added?
  28. 28.The average of 6 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  29. 29.Dev’s batting average after 12 innings is 27 runs. How many runs must Dev score in the next innings to raise the average to 30?
  30. 30.The average weight of 7 children is 32 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average weight of 9 children is 43 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Sneha’s batting average after 14 innings is 26 runs. How many runs must Sneha score in the next innings to raise the average to 28?
  33. 33.A shop sells an average of 77 kg of sugar a day for 5 days, and then 35 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  34. 34.Manav’s batting average after 11 innings is 39 runs. How many runs must Manav score in the next innings to raise the average to 42?
  35. 35.Marks of 4 friends in a quiz: 26, 41, 48, 41. What is their average mark?
  36. 36.Rahul’s batting average after 13 innings is 30 runs. How many runs must Rahul score in the next innings to raise the average to 33?
  37. 37.The average of 7 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  38. 38.Marks of 4 friends in a quiz: 64, 86, 81, 81. What is their average mark?
  39. 39.The average of 7 numbers is 31. When one more number is added, the average becomes 33. What number was added?
  40. 40.The average weight of 6 children is 33 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 45
  2. 51
  3. 68
  4. 23
  5. 60
  6. 38
  7. 40
  8. 40
  9. 80
  10. 27
  11. 31
  12. 72
  13. 52
  14. 102
  15. 47
  16. 34
  17. 49
  18. 80
  19. 34
  20. 89
  21. 27
  22. 81
  23. 98
  24. 61
  25. 43
  26. 42
  27. 41
  28. 37
  29. 66
  30. 30
  31. 41
  32. 56
  33. 56
  34. 75
  35. 39
  36. 72
  37. 76
  38. 78
  39. 47
  40. 30

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