← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 568 · 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 28. When one more number is added, the average becomes 32. What number was added?
  2. 2.Marks of 4 friends in a quiz: 84, 73, 82, 77. What is their average mark?
  3. 3.A shop sells an average of 29 kg of sugar a day for 4 days, and then 23 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  4. 4.A shop sells an average of 43 kg of sugar a day for 2 days, and then 61 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.The average of 9 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  6. 6.Rohan’s batting average after 8 innings is 50 runs. How many runs must Rohan score in the next innings to raise the average to 54?
  7. 7.Ananya’s batting average after 5 innings is 20 runs. How many runs must Ananya score in the next innings to raise the average to 21?
  8. 8.Meera’s batting average after 12 innings is 38 runs. How many runs must Meera score in the next innings to raise the average to 42?
  9. 9.The average of 9 numbers is 57. When one more number is added, the average becomes 59. What number was added?
  10. 10.The average weight of 12 children is 37 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average weight of 9 children is 31 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 4 numbers is 30. When one more number is added, the average becomes 31. What number was added?
  13. 13.Marks of 4 friends in a quiz: 76, 101, 89, 86. What is their average mark?
  14. 14.A shop sells an average of 70 kg of sugar a day for 6 days, and then 30 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  15. 15.The average of 4 numbers is 58. When one more number is added, the average becomes 62. What number was added?
  16. 16.The average weight of 8 children is 32 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 6 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 5 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 8 numbers is 47. When one more number is added, the average becomes 52. What number was added?
  20. 20.A shop sells an average of 54 kg of sugar a day for 3 days, and then 38 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  21. 21.Marks of 4 friends in a quiz: 18, 14, 39, 29. What is their average mark?
  22. 22.Marks of 4 friends in a quiz: 18, 25, 32, 41. What is their average mark?
  23. 23.The average of 6 numbers is 60. When one more number is added, the average becomes 65. What number was added?
  24. 24.Ishaan’s batting average after 7 innings is 40 runs. How many runs must Ishaan score in the next innings to raise the average to 45?
  25. 25.The average of 4 numbers is 24. When one more number is added, the average becomes 29. What number was added?
  26. 26.The average of 9 numbers is 51. When one more number is added, the average becomes 57. What number was added?
  27. 27.Marks of 5 friends in a quiz: 51, 72, 73, 47, 57. What is their average mark?
  28. 28.A shop sells an average of 34 kg of sugar a day for 4 days, and then 24 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.The average weight of 12 children is 28 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Marks of 5 friends in a quiz: 24, 23, 40, 27, 76. What is their average mark?
  31. 31.Ananya’s batting average after 14 innings is 44 runs. How many runs must Ananya score in the next innings to raise the average to 49?
  32. 32.Marks of 6 friends in a quiz: 40, 35, 30, 19, 39, 11. What is their average mark?
  33. 33.Marks of 5 friends in a quiz: 34, 24, 50, 24, 63. What is their average mark?
  34. 34.Farhan’s batting average after 8 innings is 33 runs. How many runs must Farhan score in the next innings to raise the average to 35?
  35. 35.A shop sells an average of 25 kg of sugar a day for 5 days, and then 80 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  36. 36.Ananya’s batting average after 14 innings is 26 runs. How many runs must Ananya score in the next innings to raise the average to 30?
  37. 37.Diya’s batting average after 12 innings is 20 runs. How many runs must Diya score in the next innings to raise the average to 22?
  38. 38.Isha’s batting average after 7 innings is 34 runs. How many runs must Isha score in the next innings to raise the average to 36?
  39. 39.The average of 7 numbers is 44. When one more number is added, the average becomes 50. What number was added?
  40. 40.Diya’s batting average after 5 innings is 24 runs. How many runs must Diya score in the next innings to raise the average to 25?

Answer key

  1. 60
  2. 79
  3. 26
  4. 55
  5. 52
  6. 86
  7. 26
  8. 90
  9. 77
  10. 34
  11. 30
  12. 35
  13. 88
  14. 50
  15. 78
  16. 30
  17. 27
  18. 41
  19. 92
  20. 46
  21. 25
  22. 29
  23. 95
  24. 80
  25. 49
  26. 111
  27. 60
  28. 29
  29. 25
  30. 38
  31. 119
  32. 29
  33. 39
  34. 51
  35. 55
  36. 86
  37. 46
  38. 50
  39. 92
  40. 30

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude