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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 658 · 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 6 friends in a quiz: 40, 11, 26, 40, 19, 20. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 71, 61, 67, 49. What is their average mark?
  3. 3.Marks of 4 friends in a quiz: 60, 45, 48, 63. What is their average mark?
  4. 4.The average of 4 numbers is 27. When one more number is added, the average becomes 33. What number was added?
  5. 5.Marks of 4 friends in a quiz: 46, 71, 46, 65. What is their average mark?
  6. 6.The average of 5 numbers is 57. When one more number is added, the average becomes 61. What number was added?
  7. 7.Marks of 5 friends in a quiz: 33, 27, 23, 16, 6. What is their average mark?
  8. 8.Marks of 4 friends in a quiz: 47, 26, 31, 24. What is their average mark?
  9. 9.The average of 5 numbers is 43. When one more number is added, the average becomes 45. What number was added?
  10. 10.Ishaan’s batting average after 11 innings is 44 runs. How many runs must Ishaan score in the next innings to raise the average to 49?
  11. 11.Arjun’s batting average after 9 innings is 48 runs. How many runs must Arjun score in the next innings to raise the average to 51?
  12. 12.The average weight of 8 children is 36 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 6 numbers is 45. When one more number is added, the average becomes 46. What number was added?
  14. 14.The average weight of 5 children is 40 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Aarav’s batting average after 14 innings is 31 runs. How many runs must Aarav score in the next innings to raise the average to 33?
  16. 16.Meera’s batting average after 5 innings is 29 runs. How many runs must Meera score in the next innings to raise the average to 33?
  17. 17.The average weight of 9 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 8 numbers is 44. When one more number is added, the average becomes 47. What number was added?
  19. 19.The average of 4 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  20. 20.Aarav’s batting average after 13 innings is 44 runs. How many runs must Aarav score in the next innings to raise the average to 49?
  21. 21.A shop sells an average of 30 kg of sugar a day for 4 days, and then 48 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  22. 22.The average weight of 11 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 6 children is 33 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 4 friends in a quiz: 69, 78, 69, 84. What is their average mark?
  25. 25.Marks of 6 friends in a quiz: 80, 72, 75, 72, 53, 50. What is their average mark?
  26. 26.Marks of 5 friends in a quiz: 56, 59, 61, 57, 7. What is their average mark?
  27. 27.The average of 8 numbers is 50. When one more number is added, the average becomes 51. What number was added?
  28. 28.Marks of 6 friends in a quiz: 38, 40, 46, 48, 32, 66. What is their average mark?
  29. 29.The average weight of 11 children is 33 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.A shop sells an average of 67 kg of sugar a day for 4 days, and then 53 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  31. 31.The average of 8 numbers is 42. When one more number is added, the average becomes 46. What number was added?
  32. 32.Marks of 6 friends in a quiz: 73, 74, 91, 83, 100, 89. What is their average mark?
  33. 33.The average of 5 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  34. 34.The average of 6 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  35. 35.A shop sells an average of 79 kg of sugar a day for 2 days, and then 57 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  36. 36.The average of 9 numbers is 46. When one more number is added, the average becomes 48. What number was added?
  37. 37.The average weight of 11 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Farhan’s batting average after 8 innings is 27 runs. How many runs must Farhan score in the next innings to raise the average to 30?
  39. 39.A shop sells an average of 68 kg of sugar a day for 6 days, and then 52 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  40. 40.The average weight of 6 children is 46 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 26
  2. 62
  3. 54
  4. 57
  5. 57
  6. 81
  7. 21
  8. 32
  9. 55
  10. 104
  11. 78
  12. 35
  13. 52
  14. 38
  15. 61
  16. 53
  17. 26
  18. 71
  19. 37
  20. 114
  21. 39
  22. 35
  23. 30
  24. 75
  25. 67
  26. 48
  27. 59
  28. 45
  29. 31
  30. 61
  31. 78
  32. 85
  33. 42
  34. 33
  35. 68
  36. 66
  37. 26
  38. 54
  39. 64
  40. 45

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