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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 706 · 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.Kavya’s batting average after 12 innings is 36 runs. How many runs must Kavya score in the next innings to raise the average to 38?
  2. 2.Marks of 6 friends in a quiz: 30, 38, 43, 45, 35, 19. What is their average mark?
  3. 3.Ananya’s batting average after 10 innings is 43 runs. How many runs must Ananya score in the next innings to raise the average to 47?
  4. 4.A shop sells an average of 78 kg of sugar a day for 4 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  5. 5.The average weight of 9 children is 44 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Meera’s batting average after 13 innings is 35 runs. How many runs must Meera score in the next innings to raise the average to 40?
  7. 7.Nisha’s batting average after 13 innings is 20 runs. How many runs must Nisha score in the next innings to raise the average to 25?
  8. 8.Rahul’s batting average after 12 innings is 23 runs. How many runs must Rahul score in the next innings to raise the average to 24?
  9. 9.Rahul’s batting average after 9 innings is 48 runs. How many runs must Rahul score in the next innings to raise the average to 50?
  10. 10.The average weight of 6 children is 27 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Tara’s batting average after 11 innings is 22 runs. How many runs must Tara score in the next innings to raise the average to 24?
  12. 12.The average weight of 6 children is 44 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Arjun’s batting average after 6 innings is 27 runs. How many runs must Arjun score in the next innings to raise the average to 30?
  14. 14.Marks of 6 friends in a quiz: 56, 29, 52, 39, 56, 32. What is their average mark?
  15. 15.A shop sells an average of 36 kg of sugar a day for 2 days, and then 29 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  16. 16.The average of 9 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  17. 17.A shop sells an average of 29 kg of sugar a day for 5 days, and then 31 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  18. 18.The average weight of 7 children is 28 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 4 friends in a quiz: 17, 39, 25, 35. What is their average mark?
  20. 20.Marks of 5 friends in a quiz: 91, 97, 91, 92, 54. What is their average mark?
  21. 21.Marks of 4 friends in a quiz: 66, 81, 60, 81. What is their average mark?
  22. 22.Marks of 6 friends in a quiz: 24, 23, 45, 34, 48, 48. What is their average mark?
  23. 23.The average of 6 numbers is 49. When one more number is added, the average becomes 50. What number was added?
  24. 24.The average weight of 7 children is 30 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.A shop sells an average of 74 kg of sugar a day for 4 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  26. 26.Kabir’s batting average after 7 innings is 22 runs. How many runs must Kabir score in the next innings to raise the average to 23?
  27. 27.Marks of 4 friends in a quiz: 50, 33, 48, 33. What is their average mark?
  28. 28.The average weight of 6 children is 38 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average of 9 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  30. 30.Zoya’s batting average after 13 innings is 30 runs. How many runs must Zoya score in the next innings to raise the average to 31?
  31. 31.The average of 5 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  32. 32.Karan’s batting average after 13 innings is 47 runs. How many runs must Karan score in the next innings to raise the average to 52?
  33. 33.Marks of 5 friends in a quiz: 79, 91, 67, 86, 72. What is their average mark?
  34. 34.A shop sells an average of 20 kg of sugar a day for 3 days, and then 24 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.The average of 9 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  36. 36.The average weight of 11 children is 45 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Manav’s batting average after 7 innings is 28 runs. How many runs must Manav score in the next innings to raise the average to 30?
  38. 38.The average of 8 numbers is 15. When one more number is added, the average becomes 21. What number was added?
  39. 39.The average of 9 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  40. 40.The average of 7 numbers is 17. When one more number is added, the average becomes 21. What number was added?

Answer key

  1. 62
  2. 35
  3. 87
  4. 76
  5. 43
  6. 105
  7. 90
  8. 36
  9. 68
  10. 26
  11. 46
  12. 42
  13. 48
  14. 44
  15. 31
  16. 29
  17. 30
  18. 25
  19. 29
  20. 85
  21. 72
  22. 37
  23. 56
  24. 27
  25. 58
  26. 30
  27. 41
  28. 37
  29. 81
  30. 44
  31. 62
  32. 117
  33. 79
  34. 22
  35. 57
  36. 43
  37. 44
  38. 69
  39. 47
  40. 49

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