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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 275 · 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 5 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 4 friends in a quiz: 99, 75, 87, 75. What is their average mark?
  3. 3.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)?
  4. 4.The average of 8 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  5. 5.Kabir’s batting average after 7 innings is 27 runs. How many runs must Kabir score in the next innings to raise the average to 32?
  6. 6.Marks of 5 friends in a quiz: 26, 25, 33, 19, 32. What is their average mark?
  7. 7.The average of 5 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  8. 8.The average of 9 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  9. 9.The average of 9 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  10. 10.The average of 7 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  11. 11.The average weight of 11 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 4 friends in a quiz: 43, 47, 29, 25. What is their average mark?
  13. 13.A shop sells an average of 53 kg of sugar a day for 3 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  14. 14.Aditya’s batting average after 13 innings is 32 runs. How many runs must Aditya score in the next innings to raise the average to 37?
  15. 15.Marks of 4 friends in a quiz: 74, 44, 68, 50. What is their average mark?
  16. 16.A shop sells an average of 32 kg of sugar a day for 3 days, and then 26 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.Marks of 4 friends in a quiz: 27, 28, 32, 81. What is their average mark?
  18. 18.The average of 7 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  19. 19.A shop sells an average of 61 kg of sugar a day for 3 days, and then 69 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  20. 20.A shop sells an average of 22 kg of sugar a day for 6 days, and then 74 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: 55, 44, 45, 58, 55, 91. What is their average mark?
  22. 22.The average of 9 numbers is 56. When one more number is added, the average becomes 62. What number was added?
  23. 23.The average of 8 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  24. 24.Marks of 6 friends in a quiz: 14, 35, 10, 10, 29, 40. What is their average mark?
  25. 25.A shop sells an average of 66 kg of sugar a day for 5 days, and then 40 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  26. 26.Rahul’s batting average after 9 innings is 33 runs. How many runs must Rahul score in the next innings to raise the average to 34?
  27. 27.Rohan’s batting average after 13 innings is 31 runs. How many runs must Rohan score in the next innings to raise the average to 32?
  28. 28.Marks of 6 friends in a quiz: 75, 87, 63, 90, 66, 75. What is their average mark?
  29. 29.A shop sells an average of 43 kg of sugar a day for 6 days, and then 63 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  30. 30.Manav’s batting average after 5 innings is 37 runs. How many runs must Manav score in the next innings to raise the average to 38?
  31. 31.Marks of 5 friends in a quiz: 70, 54, 56, 53, 72. What is their average mark?
  32. 32.The average of 9 numbers is 24. When one more number is added, the average becomes 28. What number was added?
  33. 33.Diya’s batting average after 8 innings is 45 runs. How many runs must Diya score in the next innings to raise the average to 48?
  34. 34.Tara’s batting average after 9 innings is 48 runs. How many runs must Tara score in the next innings to raise the average to 49?
  35. 35.The average of 7 numbers is 48. When one more number is added, the average becomes 50. What number was added?
  36. 36.Marks of 4 friends in a quiz: 46, 21, 24, 33. What is their average mark?
  37. 37.Arjun’s batting average after 15 innings is 47 runs. How many runs must Arjun score in the next innings to raise the average to 50?
  38. 38.Meera’s batting average after 11 innings is 44 runs. How many runs must Meera score in the next innings to raise the average to 49?
  39. 39.The average of 9 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  40. 40.The average of 7 numbers is 33. When one more number is added, the average becomes 34. What number was added?

Answer key

  1. 27
  2. 84
  3. 30
  4. 76
  5. 67
  6. 27
  7. 66
  8. 80
  9. 47
  10. 86
  11. 28
  12. 36
  13. 43
  14. 102
  15. 59
  16. 28
  17. 42
  18. 23
  19. 66
  20. 48
  21. 58
  22. 116
  23. 51
  24. 23
  25. 53
  26. 43
  27. 45
  28. 76
  29. 51
  30. 43
  31. 61
  32. 64
  33. 72
  34. 58
  35. 64
  36. 31
  37. 95
  38. 104
  39. 77
  40. 41

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