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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 647 · 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 7 numbers is 50. When one more number is added, the average becomes 51. What number was added?
  2. 2.Nisha’s batting average after 11 innings is 26 runs. How many runs must Nisha score in the next innings to raise the average to 27?
  3. 3.Marks of 5 friends in a quiz: 44, 16, 24, 20, 41. What is their average mark?
  4. 4.Tara’s batting average after 6 innings is 28 runs. How many runs must Tara score in the next innings to raise the average to 29?
  5. 5.A shop sells an average of 60 kg of sugar a day for 4 days, and then 75 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  6. 6.The average of 9 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  7. 7.A shop sells an average of 27 kg of sugar a day for 6 days, and then 67 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  8. 8.The average of 8 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  9. 9.The average of 5 numbers is 19. When one more number is added, the average becomes 22. What number was added?
  10. 10.The average of 9 numbers is 40. When one more number is added, the average becomes 45. What number was added?
  11. 11.Marks of 6 friends in a quiz: 77, 97, 88, 75, 84, 89. What is their average mark?
  12. 12.A shop sells an average of 62 kg of sugar a day for 4 days, and then 67 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  13. 13.The average of 8 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  14. 14.The average weight of 8 children is 38 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 5 friends in a quiz: 15, 20, 32, 25, 33. What is their average mark?
  16. 16.Sneha’s batting average after 7 innings is 36 runs. How many runs must Sneha score in the next innings to raise the average to 37?
  17. 17.Diya’s batting average after 5 innings is 29 runs. How many runs must Diya score in the next innings to raise the average to 34?
  18. 18.A shop sells an average of 67 kg of sugar a day for 5 days, and then 55 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  19. 19.Marks of 6 friends in a quiz: 67, 63, 57, 56, 46, 41. What is their average mark?
  20. 20.Saanvi’s batting average after 10 innings is 26 runs. How many runs must Saanvi score in the next innings to raise the average to 29?
  21. 21.A shop sells an average of 78 kg of sugar a day for 4 days, and then 21 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.Aarav’s batting average after 14 innings is 44 runs. How many runs must Aarav score in the next innings to raise the average to 47?
  23. 23.Marks of 5 friends in a quiz: 58, 85, 59, 67, 96. What is their average mark?
  24. 24.A shop sells an average of 26 kg of sugar a day for 5 days, and then 76 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  25. 25.The average of 4 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  26. 26.The average of 7 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  27. 27.The average of 9 numbers is 50. When one more number is added, the average becomes 53. What number was added?
  28. 28.Arjun’s batting average after 6 innings is 46 runs. How many runs must Arjun score in the next innings to raise the average to 51?
  29. 29.A shop sells an average of 47 kg of sugar a day for 6 days, and then 51 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  30. 30.The average weight of 7 children is 35 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 4 friends in a quiz: 73, 79, 70, 74. What is their average mark?
  32. 32.Marks of 5 friends in a quiz: 51, 30, 26, 35, 63. What is their average mark?
  33. 33.The average of 7 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  34. 34.The average weight of 7 children is 45 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 6 friends in a quiz: 40, 48, 52, 42, 34, 66. What is their average mark?
  36. 36.The average of 4 numbers is 50. When one more number is added, the average becomes 55. What number was added?
  37. 37.A shop sells an average of 43 kg of sugar a day for 4 days, and then 73 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.The average of 5 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  39. 39.The average weight of 11 children is 32 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.A shop sells an average of 79 kg of sugar a day for 6 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 58
  2. 38
  3. 29
  4. 35
  5. 69
  6. 85
  7. 47
  8. 94
  9. 37
  10. 90
  11. 85
  12. 65
  13. 24
  14. 36
  15. 25
  16. 44
  17. 59
  18. 61
  19. 55
  20. 59
  21. 59
  22. 89
  23. 73
  24. 51
  25. 74
  26. 57
  27. 80
  28. 81
  29. 49
  30. 34
  31. 74
  32. 41
  33. 60
  34. 44
  35. 47
  36. 75
  37. 58
  38. 59
  39. 30
  40. 76

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