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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 620 · 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.A shop sells an average of 63 kg of sugar a day for 3 days, and then 73 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.The average of 8 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  3. 3.Marks of 4 friends in a quiz: 88, 95, 97, 60. What is their average mark?
  4. 4.Marks of 5 friends in a quiz: 83, 71, 89, 65, 87. What is their average mark?
  5. 5.Aditya’s batting average after 15 innings is 35 runs. How many runs must Aditya score in the next innings to raise the average to 38?
  6. 6.Marks of 6 friends in a quiz: 49, 61, 67, 62, 43, 60. What is their average mark?
  7. 7.The average of 4 numbers is 51. When one more number is added, the average becomes 57. What number was added?
  8. 8.The average of 7 numbers is 45. When one more number is added, the average becomes 50. What number was added?
  9. 9.Marks of 6 friends in a quiz: 27, 46, 30, 50, 37, 26. What is their average mark?
  10. 10.Marks of 6 friends in a quiz: 51, 59, 47, 47, 60, 96. What is their average mark?
  11. 11.The average of 5 numbers is 58. When one more number is added, the average becomes 60. What number was added?
  12. 12.Manav’s batting average after 13 innings is 40 runs. How many runs must Manav score in the next innings to raise the average to 43?
  13. 13.Marks of 6 friends in a quiz: 69, 72, 70, 92, 92, 97. What is their average mark?
  14. 14.The average of 7 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  15. 15.Marks of 6 friends in a quiz: 15, 21, 30, 19, 15, 62. What is their average mark?
  16. 16.Aarav’s batting average after 10 innings is 31 runs. How many runs must Aarav score in the next innings to raise the average to 33?
  17. 17.Dev’s batting average after 14 innings is 40 runs. How many runs must Dev score in the next innings to raise the average to 42?
  18. 18.The average of 7 numbers is 42. When one more number is added, the average becomes 47. What number was added?
  19. 19.The average weight of 5 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 6 numbers is 28. When one more number is added, the average becomes 30. What number was added?
  21. 21.The average of 8 numbers is 48. When one more number is added, the average becomes 53. What number was added?
  22. 22.A shop sells an average of 32 kg of sugar a day for 2 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  23. 23.The average weight of 12 children is 40 kg. One child, who weighs 73 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 6 numbers is 60. When one more number is added, the average becomes 66. What number was added?
  25. 25.A shop sells an average of 45 kg of sugar a day for 6 days, and then 70 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  26. 26.The average of 4 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  27. 27.Marks of 5 friends in a quiz: 74, 52, 67, 76, 36. What is their average mark?
  28. 28.Marks of 5 friends in a quiz: 62, 79, 88, 62, 89. What is their average mark?
  29. 29.The average of 5 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  30. 30.A shop sells an average of 51 kg of sugar a day for 2 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  31. 31.A shop sells an average of 56 kg of sugar a day for 2 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  32. 32.Marks of 4 friends in a quiz: 59, 52, 50, 79. What is their average mark?
  33. 33.A shop sells an average of 60 kg of sugar a day for 2 days, and then 54 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  34. 34.Marks of 5 friends in a quiz: 29, 45, 54, 50, 32. What is their average mark?
  35. 35.A shop sells an average of 80 kg of sugar a day for 4 days, and then 68 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  36. 36.Marks of 5 friends in a quiz: 50, 51, 77, 63, 74. What is their average mark?
  37. 37.Marks of 5 friends in a quiz: 53, 72, 61, 62, 67. What is their average mark?
  38. 38.The average weight of 5 children is 31 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 5 friends in a quiz: 25, 49, 50, 40, 11. What is their average mark?
  40. 40.The average weight of 6 children is 30 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 68
  2. 96
  3. 85
  4. 79
  5. 83
  6. 57
  7. 81
  8. 85
  9. 36
  10. 60
  11. 70
  12. 82
  13. 82
  14. 63
  15. 27
  16. 53
  17. 70
  18. 82
  19. 40
  20. 42
  21. 93
  22. 60
  23. 37
  24. 102
  25. 55
  26. 26
  27. 61
  28. 76
  29. 26
  30. 39
  31. 68
  32. 60
  33. 57
  34. 42
  35. 74
  36. 63
  37. 63
  38. 30
  39. 35
  40. 29

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