← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 485 · 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 6 children is 38 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 11 children is 41 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Marks of 6 friends in a quiz: 43, 45, 52, 59, 51, 68. What is their average mark?
  4. 4.The average of 9 numbers is 19. When one more number is added, the average becomes 22. What number was added?
  5. 5.Rahul’s batting average after 6 innings is 33 runs. How many runs must Rahul score in the next innings to raise the average to 37?
  6. 6.The average weight of 8 children is 41 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 5 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  8. 8.The average of 4 numbers is 52. When one more number is added, the average becomes 57. What number was added?
  9. 9.A shop sells an average of 71 kg of sugar a day for 3 days, and then 57 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  10. 10.A shop sells an average of 54 kg of sugar a day for 3 days, and then 68 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.Marks of 6 friends in a quiz: 91, 98, 73, 78, 86, 90. What is their average mark?
  12. 12.Rohan’s batting average after 8 innings is 25 runs. How many runs must Rohan score in the next innings to raise the average to 28?
  13. 13.Marks of 4 friends in a quiz: 89, 78, 67, 62. What is their average mark?
  14. 14.The average weight of 11 children is 38 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average weight of 7 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 4 numbers is 29. When one more number is added, the average becomes 32. What number was added?
  17. 17.A shop sells an average of 68 kg of sugar a day for 4 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.A shop sells an average of 27 kg of sugar a day for 6 days, and then 21 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  19. 19.The average weight of 12 children is 30 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Marks of 4 friends in a quiz: 40, 33, 43, 20. What is their average mark?
  21. 21.The average of 7 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  22. 22.Vivaan’s batting average after 15 innings is 34 runs. How many runs must Vivaan score in the next innings to raise the average to 39?
  23. 23.A shop sells an average of 25 kg of sugar a day for 6 days, and then 53 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.Priya’s batting average after 6 innings is 22 runs. How many runs must Priya score in the next innings to raise the average to 25?
  25. 25.Marks of 6 friends in a quiz: 26, 35, 38, 18, 23, 28. What is their average mark?
  26. 26.Aarav’s batting average after 14 innings is 22 runs. How many runs must Aarav score in the next innings to raise the average to 23?
  27. 27.Dev’s batting average after 11 innings is 38 runs. How many runs must Dev score in the next innings to raise the average to 40?
  28. 28.Marks of 4 friends in a quiz: 69, 54, 59, 46. What is their average mark?
  29. 29.The average weight of 6 children is 34 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Ishaan’s batting average after 6 innings is 47 runs. How many runs must Ishaan score in the next innings to raise the average to 52?
  31. 31.The average of 4 numbers is 36. When one more number is added, the average becomes 38. What number was added?
  32. 32.The average of 9 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  33. 33.The average of 8 numbers is 33. When one more number is added, the average becomes 37. What number was added?
  34. 34.A shop sells an average of 26 kg of sugar a day for 6 days, and then 50 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  35. 35.Aditya’s batting average after 7 innings is 42 runs. How many runs must Aditya score in the next innings to raise the average to 47?
  36. 36.Nisha’s batting average after 11 innings is 24 runs. How many runs must Nisha score in the next innings to raise the average to 29?
  37. 37.Kabir’s batting average after 8 innings is 26 runs. How many runs must Kabir score in the next innings to raise the average to 28?
  38. 38.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)?
  39. 39.A shop sells an average of 29 kg of sugar a day for 2 days, and then 53 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.The average of 7 numbers is 17. When one more number is added, the average becomes 19. What number was added?

Answer key

  1. 35
  2. 40
  3. 53
  4. 49
  5. 61
  6. 40
  7. 30
  8. 77
  9. 63
  10. 61
  11. 86
  12. 52
  13. 74
  14. 36
  15. 42
  16. 44
  17. 57
  18. 24
  19. 27
  20. 34
  21. 42
  22. 114
  23. 32
  24. 43
  25. 28
  26. 37
  27. 62
  28. 57
  29. 31
  30. 82
  31. 46
  32. 68
  33. 69
  34. 38
  35. 82
  36. 84
  37. 44
  38. 43
  39. 45
  40. 33

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