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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 276 · 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 5 friends in a quiz: 68, 52, 54, 73, 88. What is their average mark?
  2. 2.The average of 5 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  3. 3.Marks of 5 friends in a quiz: 86, 84, 98, 83, 99. What is their average mark?
  4. 4.The average of 8 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  5. 5.The average weight of 7 children is 37 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Meera’s batting average after 5 innings is 47 runs. How many runs must Meera score in the next innings to raise the average to 52?
  7. 7.The average of 9 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  8. 8.The average of 4 numbers is 29. When one more number is added, the average becomes 30. What number was added?
  9. 9.A shop sells an average of 35 kg of sugar a day for 2 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  10. 10.The average weight of 12 children is 29 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 4 friends in a quiz: 62, 74, 80, 68. What is their average mark?
  12. 12.The average weight of 5 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.A shop sells an average of 58 kg of sugar a day for 6 days, and then 67 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  14. 14.A shop sells an average of 27 kg of sugar a day for 2 days, and then 43 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  15. 15.Ishaan’s batting average after 9 innings is 33 runs. How many runs must Ishaan score in the next innings to raise the average to 37?
  16. 16.Meera’s batting average after 15 innings is 41 runs. How many runs must Meera score in the next innings to raise the average to 46?
  17. 17.Dev’s batting average after 15 innings is 38 runs. How many runs must Dev score in the next innings to raise the average to 42?
  18. 18.A shop sells an average of 46 kg of sugar a day for 6 days, and then 80 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  19. 19.Marks of 4 friends in a quiz: 51, 40, 44, 45. What is their average mark?
  20. 20.Farhan’s batting average after 7 innings is 24 runs. How many runs must Farhan score in the next innings to raise the average to 29?
  21. 21.Farhan’s batting average after 9 innings is 45 runs. How many runs must Farhan score in the next innings to raise the average to 46?
  22. 22.The average of 5 numbers is 48. When one more number is added, the average becomes 49. What number was added?
  23. 23.Marks of 5 friends in a quiz: 9, 30, 15, 27, 24. What is their average mark?
  24. 24.The average weight of 9 children is 31 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 4 friends in a quiz: 24, 33, 15, 24. What is their average mark?
  26. 26.A shop sells an average of 58 kg of sugar a day for 2 days, and then 66 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  27. 27.Priya’s batting average after 6 innings is 34 runs. How many runs must Priya score in the next innings to raise the average to 37?
  28. 28.The average of 8 numbers is 24. When one more number is added, the average becomes 29. What number was added?
  29. 29.The average of 5 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  30. 30.Marks of 4 friends in a quiz: 55, 60, 73, 84. What is their average mark?
  31. 31.The average of 5 numbers is 58. When one more number is added, the average becomes 63. What number was added?
  32. 32.Marks of 4 friends in a quiz: 35, 37, 22, 46. What is their average mark?
  33. 33.The average of 8 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  34. 34.The average of 4 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  35. 35.The average of 4 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  36. 36.Marks of 4 friends in a quiz: 12, 38, 32, 14. What is their average mark?
  37. 37.The average of 4 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  38. 38.The average weight of 6 children is 37 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Dev’s batting average after 14 innings is 36 runs. How many runs must Dev score in the next innings to raise the average to 38?
  40. 40.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)?

Answer key

  1. 67
  2. 24
  3. 90
  4. 61
  5. 35
  6. 77
  7. 43
  8. 34
  9. 31
  10. 27
  11. 71
  12. 33
  13. 61
  14. 39
  15. 73
  16. 121
  17. 102
  18. 63
  19. 45
  20. 64
  21. 55
  22. 54
  23. 21
  24. 29
  25. 24
  26. 62
  27. 55
  28. 69
  29. 38
  30. 68
  31. 88
  32. 35
  33. 59
  34. 68
  35. 32
  36. 24
  37. 68
  38. 35
  39. 66
  40. 33

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