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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 55 · 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 of 8 numbers is 39. When one more number is added, the average becomes 45. What number was added?
  2. 2.Marks of 6 friends in a quiz: 51, 40, 48, 61, 38, 38. What is their average mark?
  3. 3.Arjun’s batting average after 8 innings is 36 runs. How many runs must Arjun score in the next innings to raise the average to 41?
  4. 4.Diya’s batting average after 7 innings is 49 runs. How many runs must Diya score in the next innings to raise the average to 52?
  5. 5.Marks of 6 friends in a quiz: 76, 87, 96, 83, 102, 96. What is their average mark?
  6. 6.Marks of 6 friends in a quiz: 85, 84, 73, 66, 79, 33. What is their average mark?
  7. 7.Arjun’s batting average after 13 innings is 43 runs. How many runs must Arjun score in the next innings to raise the average to 47?
  8. 8.The average of 4 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  9. 9.A shop sells an average of 24 kg of sugar a day for 3 days, and then 66 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  10. 10.Marks of 6 friends in a quiz: 38, 43, 46, 19, 47, 5. What is their average mark?
  11. 11.Kavya’s batting average after 7 innings is 23 runs. How many runs must Kavya score in the next innings to raise the average to 25?
  12. 12.The average of 9 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  13. 13.The average weight of 7 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Ananya’s batting average after 6 innings is 25 runs. How many runs must Ananya score in the next innings to raise the average to 27?
  15. 15.The average weight of 12 children is 31 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Kavya’s batting average after 10 innings is 43 runs. How many runs must Kavya score in the next innings to raise the average to 47?
  17. 17.Priya’s batting average after 13 innings is 20 runs. How many runs must Priya score in the next innings to raise the average to 21?
  18. 18.The average weight of 11 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Arjun’s batting average after 11 innings is 31 runs. How many runs must Arjun score in the next innings to raise the average to 36?
  20. 20.The average of 8 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  21. 21.The average weight of 5 children is 32 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 4 friends in a quiz: 63, 78, 64, 47. What is their average mark?
  23. 23.A shop sells an average of 68 kg of sugar a day for 3 days, and then 48 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  24. 24.The average weight of 9 children is 46 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 5 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  26. 26.Zoya’s batting average after 10 innings is 36 runs. How many runs must Zoya score in the next innings to raise the average to 38?
  27. 27.A shop sells an average of 22 kg of sugar a day for 3 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  28. 28.Zoya’s batting average after 15 innings is 31 runs. How many runs must Zoya score in the next innings to raise the average to 32?
  29. 29.Aditya’s batting average after 6 innings is 36 runs. How many runs must Aditya score in the next innings to raise the average to 39?
  30. 30.Priya’s batting average after 14 innings is 20 runs. How many runs must Priya score in the next innings to raise the average to 21?
  31. 31.Ananya’s batting average after 11 innings is 28 runs. How many runs must Ananya score in the next innings to raise the average to 31?
  32. 32.Marks of 5 friends in a quiz: 53, 54, 52, 47, 19. What is their average mark?
  33. 33.A shop sells an average of 55 kg of sugar a day for 6 days, and then 29 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 6 children is 27 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 9 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  36. 36.Marks of 4 friends in a quiz: 18, 44, 34, 32. What is their average mark?
  37. 37.Marks of 6 friends in a quiz: 49, 70, 67, 48, 68, 64. What is their average mark?
  38. 38.Nisha’s batting average after 12 innings is 30 runs. How many runs must Nisha score in the next innings to raise the average to 31?
  39. 39.Marks of 4 friends in a quiz: 32, 14, 12, 42. What is their average mark?
  40. 40.Saanvi’s batting average after 9 innings is 41 runs. How many runs must Saanvi score in the next innings to raise the average to 43?

Answer key

  1. 93
  2. 46
  3. 81
  4. 73
  5. 90
  6. 70
  7. 99
  8. 35
  9. 52
  10. 33
  11. 39
  12. 29
  13. 30
  14. 39
  15. 28
  16. 87
  17. 34
  18. 30
  19. 91
  20. 60
  21. 29
  22. 63
  23. 58
  24. 45
  25. 61
  26. 58
  27. 32
  28. 47
  29. 57
  30. 35
  31. 64
  32. 45
  33. 42
  34. 26
  35. 46
  36. 32
  37. 61
  38. 43
  39. 25
  40. 61

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