← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 716 · 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 weight of 9 children is 41 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 30 kg of sugar a day for 4 days, and then 50 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.Rahul’s batting average after 9 innings is 38 runs. How many runs must Rahul score in the next innings to raise the average to 39?
  4. 4.Marks of 5 friends in a quiz: 40, 42, 61, 57, 35. What is their average mark?
  5. 5.The average weight of 6 children is 38 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 7 numbers is 48. When one more number is added, the average becomes 51. What number was added?
  7. 7.The average weight of 10 children is 41 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Dev’s batting average after 12 innings is 40 runs. How many runs must Dev score in the next innings to raise the average to 45?
  9. 9.Marks of 4 friends in a quiz: 38, 31, 12, 11. What is their average mark?
  10. 10.The average weight of 6 children is 37 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 6 friends in a quiz: 70, 52, 45, 47, 49, 97. What is their average mark?
  12. 12.A shop sells an average of 39 kg of sugar a day for 5 days, and then 27 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  13. 13.The average of 7 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  14. 14.Nisha’s batting average after 15 innings is 48 runs. How many runs must Nisha score in the next innings to raise the average to 51?
  15. 15.A shop sells an average of 38 kg of sugar a day for 4 days, and then 74 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.Kabir’s batting average after 13 innings is 46 runs. How many runs must Kabir score in the next innings to raise the average to 50?
  17. 17.The average of 9 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  18. 18.A shop sells an average of 53 kg of sugar a day for 5 days, and then 31 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  19. 19.The average of 9 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  20. 20.A shop sells an average of 28 kg of sugar a day for 6 days, and then 32 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  21. 21.Marks of 5 friends in a quiz: 18, 27, 30, 19, 26. What is their average mark?
  22. 22.The average of 5 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  23. 23.The average weight of 11 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 9 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.A shop sells an average of 35 kg of sugar a day for 6 days, and then 80 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: 60, 57, 58, 9. What is their average mark?
  27. 27.The average of 8 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  28. 28.Arjun’s batting average after 8 innings is 50 runs. How many runs must Arjun score in the next innings to raise the average to 53?
  29. 29.Marks of 4 friends in a quiz: 88, 79, 93, 92. What is their average mark?
  30. 30.The average of 7 numbers is 32. When one more number is added, the average becomes 38. What number was added?
  31. 31.A shop sells an average of 26 kg of sugar a day for 5 days, and then 61 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  32. 32.The average weight of 8 children is 34 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 4 friends in a quiz: 99, 102, 80, 71. What is their average mark?
  34. 34.Marks of 4 friends in a quiz: 97, 97, 76, 66. What is their average mark?
  35. 35.Meera’s batting average after 10 innings is 44 runs. How many runs must Meera score in the next innings to raise the average to 46?
  36. 36.Marks of 6 friends in a quiz: 27, 27, 18, 20, 26, 68. What is their average mark?
  37. 37.Isha’s batting average after 15 innings is 45 runs. How many runs must Isha score in the next innings to raise the average to 49?
  38. 38.The average weight of 6 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Meera’s batting average after 8 innings is 24 runs. How many runs must Meera score in the next innings to raise the average to 28?
  40. 40.Marks of 4 friends in a quiz: 61, 90, 89, 60. What is their average mark?

Answer key

  1. 39
  2. 40
  3. 48
  4. 47
  5. 37
  6. 72
  7. 38
  8. 105
  9. 23
  10. 36
  11. 60
  12. 33
  13. 62
  14. 96
  15. 50
  16. 102
  17. 32
  18. 42
  19. 62
  20. 30
  21. 24
  22. 36
  23. 31
  24. 36
  25. 50
  26. 46
  27. 47
  28. 77
  29. 88
  30. 80
  31. 36
  32. 33
  33. 88
  34. 84
  35. 66
  36. 31
  37. 109
  38. 43
  39. 60
  40. 75

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