← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 378 · 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 8 numbers is 16. When one more number is added, the average becomes 20. What number was added?
  2. 2.The average weight of 12 children is 42 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 63 kg of sugar a day for 4 days, and then 56 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  4. 4.The average of 9 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  5. 5.Aarav’s batting average after 7 innings is 46 runs. How many runs must Aarav score in the next innings to raise the average to 47?
  6. 6.Sneha’s batting average after 9 innings is 33 runs. How many runs must Sneha score in the next innings to raise the average to 38?
  7. 7.Sneha’s batting average after 8 innings is 47 runs. How many runs must Sneha score in the next innings to raise the average to 49?
  8. 8.The average weight of 12 children is 27 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average weight of 11 children is 46 kg. One child, who weighs 76 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 6 friends in a quiz: 26, 35, 33, 23, 25, 86. What is their average mark?
  11. 11.Meera’s batting average after 8 innings is 46 runs. How many runs must Meera score in the next innings to raise the average to 47?
  12. 12.Marks of 5 friends in a quiz: 74, 54, 63, 61, 93. What is their average mark?
  13. 13.The average weight of 7 children is 47 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.A shop sells an average of 44 kg of sugar a day for 4 days, and then 62 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  15. 15.A shop sells an average of 48 kg of sugar a day for 6 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  16. 16.Marks of 4 friends in a quiz: 58, 73, 85, 68. What is their average mark?
  17. 17.Marks of 4 friends in a quiz: 57, 76, 61, 66. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 14, 38, 26, 22. What is their average mark?
  19. 19.The average of 9 numbers is 29. When one more number is added, the average becomes 30. What number was added?
  20. 20.Marks of 5 friends in a quiz: 57, 60, 73, 70, 85. What is their average mark?
  21. 21.The average of 8 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  22. 22.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)?
  23. 23.The average weight of 7 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 9 children is 33 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 4 friends in a quiz: 36, 47, 22, 39. What is their average mark?
  26. 26.A shop sells an average of 61 kg of sugar a day for 2 days, and then 25 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.Kavya’s batting average after 15 innings is 40 runs. How many runs must Kavya score in the next innings to raise the average to 42?
  28. 28.Marks of 6 friends in a quiz: 29, 36, 26, 42, 17, 42. What is their average mark?
  29. 29.Nisha’s batting average after 6 innings is 34 runs. How many runs must Nisha score in the next innings to raise the average to 35?
  30. 30.Marks of 4 friends in a quiz: 37, 35, 26, 6. What is their average mark?
  31. 31.Farhan’s batting average after 15 innings is 20 runs. How many runs must Farhan score in the next innings to raise the average to 21?
  32. 32.Marks of 5 friends in a quiz: 68, 59, 53, 66, 19. What is their average mark?
  33. 33.The average weight of 7 children is 41 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average of 7 numbers is 32. When one more number is added, the average becomes 37. What number was added?
  35. 35.The average of 7 numbers is 41. When one more number is added, the average becomes 42. What number was added?
  36. 36.Marks of 6 friends in a quiz: 18, 47, 42, 23, 37, 31. What is their average mark?
  37. 37.Marks of 6 friends in a quiz: 33, 36, 16, 23, 41, 13. What is their average mark?
  38. 38.Rohan’s batting average after 15 innings is 20 runs. How many runs must Rohan score in the next innings to raise the average to 22?
  39. 39.Marks of 6 friends in a quiz: 62, 65, 48, 60, 67, 28. What is their average mark?
  40. 40.The average weight of 6 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 52
  2. 39
  3. 60
  4. 48
  5. 54
  6. 83
  7. 65
  8. 25
  9. 43
  10. 38
  11. 55
  12. 69
  13. 45
  14. 53
  15. 46
  16. 71
  17. 65
  18. 25
  19. 39
  20. 69
  21. 80
  22. 44
  23. 31
  24. 30
  25. 36
  26. 37
  27. 72
  28. 32
  29. 41
  30. 26
  31. 36
  32. 53
  33. 40
  34. 72
  35. 49
  36. 33
  37. 27
  38. 52
  39. 55
  40. 34

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