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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 289 · 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 26 kg of sugar a day for 5 days, and then 58 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  2. 2.The average of 5 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  3. 3.The average of 6 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  4. 4.Marks of 6 friends in a quiz: 29, 20, 19, 33, 23, 50. What is their average mark?
  5. 5.Marks of 5 friends in a quiz: 58, 80, 71, 61, 95. What is their average mark?
  6. 6.Rahul’s batting average after 11 innings is 50 runs. How many runs must Rahul score in the next innings to raise the average to 51?
  7. 7.The average weight of 6 children is 32 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 8 children is 32 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 5 friends in a quiz: 48, 36, 55, 42, 59. What is their average mark?
  10. 10.A shop sells an average of 42 kg of sugar a day for 6 days, and then 57 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  11. 11.The average of 6 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  12. 12.Nisha’s batting average after 10 innings is 50 runs. How many runs must Nisha score in the next innings to raise the average to 52?
  13. 13.The average of 9 numbers is 35. When one more number is added, the average becomes 41. What number was added?
  14. 14.The average of 6 numbers is 25. When one more number is added, the average becomes 30. What number was added?
  15. 15.Karan’s batting average after 9 innings is 21 runs. How many runs must Karan score in the next innings to raise the average to 24?
  16. 16.Marks of 6 friends in a quiz: 71, 58, 73, 60, 52, 70. What is their average mark?
  17. 17.Marks of 6 friends in a quiz: 52, 34, 61, 35, 48, 64. What is their average mark?
  18. 18.A shop sells an average of 27 kg of sugar a day for 5 days, and then 67 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  19. 19.Pooja’s batting average after 5 innings is 45 runs. How many runs must Pooja score in the next innings to raise the average to 46?
  20. 20.The average weight of 6 children is 38 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Manav’s batting average after 15 innings is 23 runs. How many runs must Manav score in the next innings to raise the average to 27?
  22. 22.The average of 6 numbers is 48. When one more number is added, the average becomes 52. What number was added?
  23. 23.The average of 5 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  24. 24.Marks of 6 friends in a quiz: 67, 79, 59, 74, 74, 67. What is their average mark?
  25. 25.Marks of 4 friends in a quiz: 10, 16, 18, 48. What is their average mark?
  26. 26.Arjun’s batting average after 7 innings is 44 runs. How many runs must Arjun score in the next innings to raise the average to 46?
  27. 27.A shop sells an average of 38 kg of sugar a day for 3 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  28. 28.The average of 9 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  29. 29.Marks of 5 friends in a quiz: 18, 25, 21, 27, 74. What is their average mark?
  30. 30.The average of 9 numbers is 51. When one more number is added, the average becomes 55. What number was added?
  31. 31.Marks of 5 friends in a quiz: 65, 63, 53, 60, 79. What is their average mark?
  32. 32.A shop sells an average of 40 kg of sugar a day for 2 days, and then 67 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.Aarav’s batting average after 13 innings is 36 runs. How many runs must Aarav score in the next innings to raise the average to 40?
  34. 34.The average of 4 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  35. 35.The average weight of 10 children is 35 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average of 9 numbers is 57. When one more number is added, the average becomes 62. What number was added?
  37. 37.A shop sells an average of 64 kg of sugar a day for 2 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  38. 38.Rohan’s batting average after 6 innings is 50 runs. How many runs must Rohan score in the next innings to raise the average to 53?
  39. 39.The average of 8 numbers is 42. When one more number is added, the average becomes 45. What number was added?
  40. 40.The average of 5 numbers is 35. When one more number is added, the average becomes 36. What number was added?

Answer key

  1. 38
  2. 31
  3. 46
  4. 29
  5. 73
  6. 62
  7. 29
  8. 30
  9. 48
  10. 47
  11. 47
  12. 72
  13. 95
  14. 60
  15. 51
  16. 64
  17. 49
  18. 47
  19. 51
  20. 35
  21. 87
  22. 76
  23. 48
  24. 70
  25. 23
  26. 60
  27. 36
  28. 55
  29. 33
  30. 91
  31. 64
  32. 58
  33. 92
  34. 27
  35. 34
  36. 107
  37. 50
  38. 71
  39. 69
  40. 41

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