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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 500 · 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.Marks of 5 friends in a quiz: 35, 30, 30, 25, 80. What is their average mark?
  2. 2.A shop sells an average of 32 kg of sugar a day for 5 days, and then 56 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  3. 3.The average of 9 numbers is 34. When one more number is added, the average becomes 37. What number was added?
  4. 4.Manav’s batting average after 5 innings is 39 runs. How many runs must Manav score in the next innings to raise the average to 44?
  5. 5.Marks of 5 friends in a quiz: 30, 29, 34, 28, 39. What is their average mark?
  6. 6.The average of 5 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  7. 7.A shop sells an average of 57 kg of sugar a day for 2 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  8. 8.Marks of 6 friends in a quiz: 54, 30, 60, 53, 48, 25. What is their average mark?
  9. 9.The average weight of 5 children is 43 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Rohan’s batting average after 7 innings is 30 runs. How many runs must Rohan score in the next innings to raise the average to 31?
  11. 11.Tara’s batting average after 7 innings is 47 runs. How many runs must Tara score in the next innings to raise the average to 52?
  12. 12.A shop sells an average of 73 kg of sugar a day for 2 days, and then 49 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  13. 13.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)?
  14. 14.The average of 6 numbers is 36. When one more number is added, the average becomes 38. What number was added?
  15. 15.Marks of 4 friends in a quiz: 37, 53, 61, 33. What is their average mark?
  16. 16.Marks of 4 friends in a quiz: 50, 37, 25, 48. What is their average mark?
  17. 17.Marks of 6 friends in a quiz: 48, 20, 41, 49, 29, 23. What is their average mark?
  18. 18.The average of 7 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  19. 19.Marks of 5 friends in a quiz: 37, 31, 15, 14, 43. What is their average mark?
  20. 20.The average of 7 numbers is 34. When one more number is added, the average becomes 37. What number was added?
  21. 21.Marks of 4 friends in a quiz: 75, 99, 95, 87. What is their average mark?
  22. 22.Marks of 6 friends in a quiz: 81, 53, 70, 57, 69, 66. What is their average mark?
  23. 23.Marks of 4 friends in a quiz: 82, 103, 97, 78. What is their average mark?
  24. 24.The average of 4 numbers is 58. When one more number is added, the average becomes 60. What number was added?
  25. 25.The average of 9 numbers is 49. When one more number is added, the average becomes 53. What number was added?
  26. 26.Kabir’s batting average after 12 innings is 21 runs. How many runs must Kabir score in the next innings to raise the average to 26?
  27. 27.The average weight of 10 children is 27 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Aarav’s batting average after 5 innings is 28 runs. How many runs must Aarav score in the next innings to raise the average to 33?
  29. 29.Aditya’s batting average after 13 innings is 37 runs. How many runs must Aditya score in the next innings to raise the average to 38?
  30. 30.The average weight of 8 children is 43 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average weight of 8 children is 34 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 4 friends in a quiz: 12, 9, 27, 32. What is their average mark?
  33. 33.The average weight of 5 children is 26 kg. One child, who weighs 30 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.A shop sells an average of 51 kg of sugar a day for 5 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.The average weight of 10 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 67 kg of sugar a day for 5 days, and then 37 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  37. 37.Diya’s batting average after 5 innings is 50 runs. How many runs must Diya score in the next innings to raise the average to 55?
  38. 38.Marks of 5 friends in a quiz: 74, 88, 92, 93, 83. What is their average mark?
  39. 39.A shop sells an average of 78 kg of sugar a day for 4 days, and then 58 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  40. 40.A shop sells an average of 25 kg of sugar a day for 3 days, and then 75 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 40
  2. 44
  3. 64
  4. 69
  5. 32
  6. 27
  7. 63
  8. 45
  9. 42
  10. 38
  11. 87
  12. 61
  13. 31
  14. 50
  15. 46
  16. 40
  17. 35
  18. 40
  19. 28
  20. 58
  21. 89
  22. 66
  23. 90
  24. 68
  25. 89
  26. 86
  27. 26
  28. 58
  29. 51
  30. 42
  31. 32
  32. 20
  33. 25
  34. 42
  35. 31
  36. 52
  37. 80
  38. 86
  39. 68
  40. 50

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