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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 232 · 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.Diya’s batting average after 8 innings is 38 runs. How many runs must Diya score in the next innings to raise the average to 41?
  2. 2.The average of 9 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  3. 3.Rahul’s batting average after 10 innings is 45 runs. How many runs must Rahul score in the next innings to raise the average to 49?
  4. 4.The average of 5 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  5. 5.The average of 9 numbers is 59. When one more number is added, the average becomes 64. What number was added?
  6. 6.A shop sells an average of 28 kg of sugar a day for 6 days, and then 44 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  7. 7.The average of 5 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  8. 8.The average weight of 12 children is 33 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Pooja’s batting average after 11 innings is 48 runs. How many runs must Pooja score in the next innings to raise the average to 52?
  10. 10.Nisha’s batting average after 7 innings is 39 runs. How many runs must Nisha score in the next innings to raise the average to 44?
  11. 11.The average of 5 numbers is 45. When one more number is added, the average becomes 50. What number was added?
  12. 12.The average weight of 11 children is 34 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Marks of 6 friends in a quiz: 40, 54, 44, 39, 64, 59. What is their average mark?
  14. 14.Marks of 6 friends in a quiz: 76, 82, 89, 77, 81, 39. What is their average mark?
  15. 15.The average of 4 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  16. 16.A shop sells an average of 74 kg of sugar a day for 4 days, and then 59 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.Marks of 4 friends in a quiz: 40, 35, 20, 37. What is their average mark?
  18. 18.A shop sells an average of 25 kg of sugar a day for 2 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  19. 19.A shop sells an average of 31 kg of sugar a day for 4 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  20. 20.The average weight of 5 children is 46 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average weight of 5 children is 35 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average weight of 11 children is 48 kg. One child, who weighs 78 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.A shop sells an average of 75 kg of sugar a day for 6 days, and then 66 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  24. 24.The average weight of 5 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 9 children is 44 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 4 numbers is 43. When one more number is added, the average becomes 45. What number was added?
  27. 27.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)?
  28. 28.Tara’s batting average after 7 innings is 33 runs. How many runs must Tara score in the next innings to raise the average to 38?
  29. 29.The average of 8 numbers is 58. When one more number is added, the average becomes 64. What number was added?
  30. 30.Marks of 6 friends in a quiz: 76, 54, 80, 81, 81, 36. What is their average mark?
  31. 31.Ananya’s batting average after 13 innings is 40 runs. How many runs must Ananya score in the next innings to raise the average to 45?
  32. 32.The average of 9 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  33. 33.Ananya’s batting average after 12 innings is 49 runs. How many runs must Ananya score in the next innings to raise the average to 54?
  34. 34.Marks of 6 friends in a quiz: 74, 56, 71, 71, 51, 61. What is their average mark?
  35. 35.A shop sells an average of 38 kg of sugar a day for 5 days, and then 78 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  36. 36.The average weight of 12 children is 36 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Sneha’s batting average after 11 innings is 50 runs. How many runs must Sneha score in the next innings to raise the average to 54?
  38. 38.The average weight of 11 children is 42 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Ananya’s batting average after 7 innings is 32 runs. How many runs must Ananya score in the next innings to raise the average to 33?
  40. 40.The average of 4 numbers is 46. When one more number is added, the average becomes 51. What number was added?

Answer key

  1. 65
  2. 31
  3. 89
  4. 65
  5. 109
  6. 32
  7. 64
  8. 32
  9. 96
  10. 79
  11. 75
  12. 31
  13. 50
  14. 74
  15. 42
  16. 69
  17. 33
  18. 48
  19. 30
  20. 43
  21. 32
  22. 45
  23. 72
  24. 39
  25. 42
  26. 53
  27. 33
  28. 73
  29. 112
  30. 68
  31. 110
  32. 74
  33. 114
  34. 64
  35. 58
  36. 35
  37. 98
  38. 39
  39. 40
  40. 71

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