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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 7 · 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.Aarav’s batting average after 10 innings is 24 runs. How many runs must Aarav score in the next innings to raise the average to 25?
  2. 2.The average weight of 6 children is 32 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 9 numbers is 56. When one more number is added, the average becomes 57. What number was added?
  4. 4.Marks of 6 friends in a quiz: 38, 40, 37, 41, 30, 18. What is their average mark?
  5. 5.The average weight of 6 children is 37 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 9 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  7. 7.The average weight of 7 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 5 friends in a quiz: 28, 33, 18, 24, 47. What is their average mark?
  9. 9.Arjun’s batting average after 14 innings is 42 runs. How many runs must Arjun score in the next innings to raise the average to 47?
  10. 10.The average weight of 10 children is 45 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.A shop sells an average of 41 kg of sugar a day for 2 days, and then 71 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  12. 12.Karan’s batting average after 9 innings is 43 runs. How many runs must Karan score in the next innings to raise the average to 47?
  13. 13.A shop sells an average of 36 kg of sugar a day for 4 days, and then 31 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  14. 14.The average of 5 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  15. 15.Marks of 6 friends in a quiz: 59, 55, 65, 47, 56, 48. What is their average mark?
  16. 16.The average of 5 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  17. 17.The average of 6 numbers is 37. When one more number is added, the average becomes 40. What number was added?
  18. 18.A shop sells an average of 71 kg of sugar a day for 2 days, and then 55 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  19. 19.The average of 9 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  20. 20.A shop sells an average of 63 kg of sugar a day for 6 days, and then 61 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  21. 21.Marks of 6 friends in a quiz: 44, 44, 32, 39, 60, 51. What is their average mark?
  22. 22.Aarav’s batting average after 7 innings is 48 runs. How many runs must Aarav score in the next innings to raise the average to 50?
  23. 23.A shop sells an average of 52 kg of sugar a day for 3 days, and then 27 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 32. When one more number is added, the average becomes 34. What number was added?
  25. 25.The average weight of 11 children is 44 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Rohan’s batting average after 13 innings is 43 runs. How many runs must Rohan score in the next innings to raise the average to 48?
  27. 27.Marks of 6 friends in a quiz: 99, 94, 80, 102, 77, 82. What is their average mark?
  28. 28.The average of 5 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  29. 29.Dev’s batting average after 10 innings is 31 runs. How many runs must Dev score in the next innings to raise the average to 32?
  30. 30.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)?
  31. 31.Vivaan’s batting average after 11 innings is 40 runs. How many runs must Vivaan score in the next innings to raise the average to 42?
  32. 32.The average of 4 numbers is 46. When one more number is added, the average becomes 49. What number was added?
  33. 33.A shop sells an average of 23 kg of sugar a day for 6 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  34. 34.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)?
  35. 35.A shop sells an average of 34 kg of sugar a day for 3 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.Meera’s batting average after 10 innings is 47 runs. How many runs must Meera score in the next innings to raise the average to 52?
  37. 37.Ishaan’s batting average after 10 innings is 47 runs. How many runs must Ishaan score in the next innings to raise the average to 49?
  38. 38.The average of 7 numbers is 28. When one more number is added, the average becomes 30. What number was added?
  39. 39.Marks of 6 friends in a quiz: 25, 27, 24, 31, 30, 49. What is their average mark?
  40. 40.The average of 4 numbers is 32. When one more number is added, the average becomes 33. What number was added?

Answer key

  1. 35
  2. 31
  3. 66
  4. 34
  5. 36
  6. 57
  7. 26
  8. 30
  9. 117
  10. 44
  11. 61
  12. 83
  13. 33
  14. 33
  15. 55
  16. 48
  17. 58
  18. 59
  19. 54
  20. 62
  21. 45
  22. 64
  23. 42
  24. 44
  25. 43
  26. 113
  27. 89
  28. 40
  29. 42
  30. 42
  31. 64
  32. 61
  33. 32
  34. 25
  35. 30
  36. 102
  37. 69
  38. 44
  39. 31
  40. 37

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