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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 643 · 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.Diya’s batting average after 8 innings is 23 runs. How many runs must Diya score in the next innings to raise the average to 24?
  2. 2.A shop sells an average of 35 kg of sugar a day for 5 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  3. 3.The average of 4 numbers is 21. When one more number is added, the average becomes 24. What number was added?
  4. 4.The average of 4 numbers is 58. When one more number is added, the average becomes 63. What number was added?
  5. 5.The average weight of 7 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 4 numbers is 29. When one more number is added, the average becomes 32. What number was added?
  7. 7.Marks of 4 friends in a quiz: 33, 34, 31, 22. What is their average mark?
  8. 8.Marks of 6 friends in a quiz: 31, 43, 24, 25, 40, 53. What is their average mark?
  9. 9.The average weight of 5 children is 45 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 6 friends in a quiz: 36, 60, 46, 51, 57, 20. What is their average mark?
  11. 11.The average of 8 numbers is 19. When one more number is added, the average becomes 21. What number was added?
  12. 12.Kabir’s batting average after 12 innings is 37 runs. How many runs must Kabir score in the next innings to raise the average to 42?
  13. 13.Marks of 6 friends in a quiz: 29, 45, 29, 23, 27, 27. What is their average mark?
  14. 14.The average of 4 numbers is 21. When one more number is added, the average becomes 27. What number was added?
  15. 15.The average of 4 numbers is 25. When one more number is added, the average becomes 27. What number was added?
  16. 16.The average weight of 12 children is 27 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 5 friends in a quiz: 92, 65, 74, 90, 74. What is their average mark?
  18. 18.A shop sells an average of 37 kg of sugar a day for 6 days, and then 53 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 5 friends in a quiz: 69, 69, 62, 72, 33. What is their average mark?
  20. 20.The average of 6 numbers is 45. When one more number is added, the average becomes 49. What number was added?
  21. 21.The average weight of 8 children is 36 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.A shop sells an average of 51 kg of sugar a day for 6 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  23. 23.The average of 7 numbers is 46. When one more number is added, the average becomes 52. What number was added?
  24. 24.The average of 6 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  25. 25.A shop sells an average of 29 kg of sugar a day for 6 days, and then 23 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  26. 26.Marks of 4 friends in a quiz: 71, 63, 89, 81. What is their average mark?
  27. 27.Diya’s batting average after 7 innings is 32 runs. How many runs must Diya score in the next innings to raise the average to 33?
  28. 28.The average of 8 numbers is 58. When one more number is added, the average becomes 63. What number was added?
  29. 29.The average weight of 11 children is 42 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Marks of 4 friends in a quiz: 74, 76, 60, 74. What is their average mark?
  31. 31.A shop sells an average of 48 kg of sugar a day for 2 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  32. 32.A shop sells an average of 76 kg of sugar a day for 2 days, and then 64 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  33. 33.The average of 4 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  34. 34.Marks of 4 friends in a quiz: 24, 35, 43, 10. What is their average mark?
  35. 35.Marks of 6 friends in a quiz: 58, 39, 36, 60, 39, 74. What is their average mark?
  36. 36.The average weight of 9 children is 42 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average weight of 11 children is 46 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.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)?
  39. 39.The average weight of 11 children is 36 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 5 friends in a quiz: 98, 85, 87, 77, 78. What is their average mark?

Answer key

  1. 32
  2. 37
  3. 36
  4. 83
  5. 26
  6. 44
  7. 30
  8. 36
  9. 43
  10. 45
  11. 37
  12. 102
  13. 30
  14. 51
  15. 35
  16. 26
  17. 79
  18. 45
  19. 61
  20. 73
  21. 33
  22. 61
  23. 94
  24. 69
  25. 27
  26. 76
  27. 40
  28. 103
  29. 41
  30. 71
  31. 45
  32. 67
  33. 38
  34. 28
  35. 51
  36. 40
  37. 45
  38. 37
  39. 34
  40. 85

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