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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 58 · 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 5 numbers is 44. When one more number is added, the average becomes 50. What number was added?
  2. 2.Marks of 4 friends in a quiz: 54, 55, 45, 82. What is their average mark?
  3. 3.Arjun’s batting average after 14 innings is 50 runs. How many runs must Arjun score in the next innings to raise the average to 51?
  4. 4.A shop sells an average of 73 kg of sugar a day for 6 days, and then 55 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  5. 5.The average weight of 12 children is 44 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 9 children is 48 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 27 kg of sugar a day for 2 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  8. 8.Aarav’s batting average after 15 innings is 42 runs. How many runs must Aarav score in the next innings to raise the average to 43?
  9. 9.Arjun’s batting average after 6 innings is 24 runs. How many runs must Arjun score in the next innings to raise the average to 28?
  10. 10.Marks of 6 friends in a quiz: 42, 42, 51, 30, 32, 43. What is their average mark?
  11. 11.The average of 5 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  12. 12.The average of 8 numbers is 57. When one more number is added, the average becomes 61. What number was added?
  13. 13.The average of 8 numbers is 47. When one more number is added, the average becomes 53. What number was added?
  14. 14.The average weight of 8 children is 46 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Karan’s batting average after 15 innings is 29 runs. How many runs must Karan score in the next innings to raise the average to 30?
  16. 16.The average weight of 7 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 4 friends in a quiz: 35, 58, 58, 37. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 12, 24, 11, 33. What is their average mark?
  19. 19.The average of 7 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  20. 20.Marks of 6 friends in a quiz: 38, 33, 47, 35, 38, 85. What is their average mark?
  21. 21.The average of 5 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  22. 22.The average of 4 numbers is 37. When one more number is added, the average becomes 43. What number was added?
  23. 23.The average of 9 numbers is 59. When one more number is added, the average becomes 62. What number was added?
  24. 24.A shop sells an average of 27 kg of sugar a day for 4 days, and then 39 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.The average of 8 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  26. 26.Marks of 4 friends in a quiz: 24, 43, 45, 44. What is their average mark?
  27. 27.The average weight of 5 children is 34 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 6 numbers is 40. When one more number is added, the average becomes 41. What number was added?
  29. 29.The average of 4 numbers is 25. When one more number is added, the average becomes 27. What number was added?
  30. 30.The average weight of 10 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 9 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  32. 32.Sneha’s batting average after 9 innings is 24 runs. How many runs must Sneha score in the next innings to raise the average to 27?
  33. 33.A shop sells an average of 31 kg of sugar a day for 3 days, and then 76 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  34. 34.Marks of 6 friends in a quiz: 13, 17, 39, 23, 28, 36. What is their average mark?
  35. 35.A shop sells an average of 60 kg of sugar a day for 6 days, and then 76 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  36. 36.Marks of 5 friends in a quiz: 21, 35, 24, 27, 68. What is their average mark?
  37. 37.A shop sells an average of 47 kg of sugar a day for 3 days, and then 59 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  38. 38.Marks of 6 friends in a quiz: 19, 31, 34, 45, 43, 8. What is their average mark?
  39. 39.Marks of 6 friends in a quiz: 44, 40, 38, 51, 41, 50. What is their average mark?
  40. 40.Karan’s batting average after 14 innings is 44 runs. How many runs must Karan score in the next innings to raise the average to 49?

Answer key

  1. 80
  2. 59
  3. 65
  4. 64
  5. 42
  6. 45
  7. 28
  8. 58
  9. 52
  10. 40
  11. 79
  12. 93
  13. 101
  14. 45
  15. 45
  16. 42
  17. 47
  18. 20
  19. 77
  20. 46
  21. 93
  22. 67
  23. 89
  24. 31
  25. 27
  26. 39
  27. 33
  28. 47
  29. 35
  30. 30
  31. 66
  32. 54
  33. 49
  34. 26
  35. 68
  36. 35
  37. 55
  38. 30
  39. 44
  40. 119

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