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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 585 · 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 38 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 10 children is 26 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 9 numbers is 29. When one more number is added, the average becomes 32. What number was added?
  4. 4.Karan’s batting average after 15 innings is 34 runs. How many runs must Karan score in the next innings to raise the average to 39?
  5. 5.The average weight of 7 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Tara’s batting average after 5 innings is 40 runs. How many runs must Tara score in the next innings to raise the average to 43?
  7. 7.The average of 9 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  8. 8.Marks of 5 friends in a quiz: 32, 37, 51, 32, 83. What is their average mark?
  9. 9.Marks of 5 friends in a quiz: 25, 30, 27, 34, 64. What is their average mark?
  10. 10.Farhan’s batting average after 12 innings is 22 runs. How many runs must Farhan score in the next innings to raise the average to 26?
  11. 11.A shop sells an average of 50 kg of sugar a day for 4 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  12. 12.The average weight of 8 children is 39 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average weight of 11 children is 39 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 4 friends in a quiz: 29, 24, 24, 51. What is their average mark?
  15. 15.A shop sells an average of 24 kg of sugar a day for 2 days, and then 29 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  16. 16.Vivaan’s batting average after 9 innings is 21 runs. How many runs must Vivaan score in the next innings to raise the average to 23?
  17. 17.The average of 5 numbers is 39. When one more number is added, the average becomes 43. What number was added?
  18. 18.The average of 8 numbers is 43. When one more number is added, the average becomes 48. What number was added?
  19. 19.Vivaan’s batting average after 6 innings is 21 runs. How many runs must Vivaan score in the next innings to raise the average to 26?
  20. 20.Marks of 5 friends in a quiz: 14, 23, 32, 25, 6. What is their average mark?
  21. 21.Marks of 5 friends in a quiz: 71, 85, 69, 64, 81. What is their average mark?
  22. 22.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)?
  23. 23.A shop sells an average of 76 kg of sugar a day for 3 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  24. 24.The average of 5 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  25. 25.Diya’s batting average after 14 innings is 41 runs. How many runs must Diya score in the next innings to raise the average to 43?
  26. 26.The average of 4 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  27. 27.Marks of 4 friends in a quiz: 41, 39, 12, 16. What is their average mark?
  28. 28.The average of 5 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  29. 29.The average of 5 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  30. 30.A shop sells an average of 25 kg of sugar a day for 3 days, and then 58 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  31. 31.The average of 4 numbers is 49. When one more number is added, the average becomes 53. What number was added?
  32. 32.A shop sells an average of 23 kg of sugar a day for 2 days, and then 55 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  33. 33.Marks of 4 friends in a quiz: 61, 41, 45, 45. What is their average mark?
  34. 34.Priya’s batting average after 5 innings is 44 runs. How many runs must Priya score in the next innings to raise the average to 45?
  35. 35.The average weight of 7 children is 26 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 43 kg of sugar a day for 3 days, and then 67 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  37. 37.The average of 5 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  38. 38.The average of 4 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  39. 39.A shop sells an average of 37 kg of sugar a day for 6 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  40. 40.Marks of 5 friends in a quiz: 78, 55, 63, 56, 83. What is their average mark?

Answer key

  1. 37
  2. 25
  3. 59
  4. 114
  5. 28
  6. 58
  7. 72
  8. 47
  9. 36
  10. 74
  11. 45
  12. 36
  13. 37
  14. 32
  15. 27
  16. 41
  17. 63
  18. 88
  19. 56
  20. 20
  21. 74
  22. 32
  23. 60
  24. 70
  25. 71
  26. 56
  27. 27
  28. 34
  29. 27
  30. 47
  31. 69
  32. 39
  33. 48
  34. 50
  35. 25
  36. 59
  37. 45
  38. 43
  39. 45
  40. 67

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