← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 237 · 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 5 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  2. 2.Marks of 4 friends in a quiz: 46, 60, 76, 62. What is their average mark?
  3. 3.The average of 8 numbers is 26. When one more number is added, the average becomes 32. What number was added?
  4. 4.A shop sells an average of 63 kg of sugar a day for 2 days, and then 33 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.A shop sells an average of 77 kg of sugar a day for 5 days, and then 61 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.A shop sells an average of 34 kg of sugar a day for 4 days, and then 61 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  7. 7.A shop sells an average of 37 kg of sugar a day for 3 days, and then 49 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  8. 8.A shop sells an average of 44 kg of sugar a day for 4 days, and then 26 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  9. 9.The average of 4 numbers is 39. When one more number is added, the average becomes 43. What number was added?
  10. 10.The average of 4 numbers is 24. When one more number is added, the average becomes 28. What number was added?
  11. 11.The average weight of 12 children is 29 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 5 numbers is 56. When one more number is added, the average becomes 59. What number was added?
  13. 13.Sneha’s batting average after 14 innings is 49 runs. How many runs must Sneha score in the next innings to raise the average to 51?
  14. 14.Marks of 5 friends in a quiz: 70, 49, 49, 42, 75. What is their average mark?
  15. 15.A shop sells an average of 33 kg of sugar a day for 4 days, and then 24 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  16. 16.A shop sells an average of 43 kg of sugar a day for 2 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  17. 17.Marks of 6 friends in a quiz: 44, 55, 47, 33, 43, 24. What is their average mark?
  18. 18.The average of 6 numbers is 43. When one more number is added, the average becomes 47. What number was added?
  19. 19.The average of 5 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  20. 20.Tara’s batting average after 6 innings is 25 runs. How many runs must Tara score in the next innings to raise the average to 26?
  21. 21.Marks of 5 friends in a quiz: 43, 40, 38, 19, 15. What is their average mark?
  22. 22.A shop sells an average of 75 kg of sugar a day for 3 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  23. 23.Marks of 5 friends in a quiz: 30, 46, 28, 24, 42. What is their average mark?
  24. 24.Ishaan’s batting average after 12 innings is 23 runs. How many runs must Ishaan score in the next innings to raise the average to 25?
  25. 25.The average of 5 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  26. 26.The average weight of 6 children is 41 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.A shop sells an average of 27 kg of sugar a day for 3 days, and then 49 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  28. 28.The average weight of 9 children is 29 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 4 friends in a quiz: 33, 24, 28, 27. What is their average mark?
  30. 30.The average of 4 numbers is 43. When one more number is added, the average becomes 44. What number was added?
  31. 31.A shop sells an average of 60 kg of sugar a day for 2 days, and then 24 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.The average weight of 6 children is 35 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 61 kg of sugar a day for 6 days, and then 47 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  34. 34.Marks of 6 friends in a quiz: 45, 59, 48, 52, 43, 47. What is their average mark?
  35. 35.The average of 7 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  36. 36.Marks of 4 friends in a quiz: 98, 85, 97, 68. What is their average mark?
  37. 37.The average weight of 12 children is 44 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 4 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  39. 39.Isha’s batting average after 15 innings is 36 runs. How many runs must Isha score in the next innings to raise the average to 39?
  40. 40.The average of 4 numbers is 38. When one more number is added, the average becomes 40. What number was added?

Answer key

  1. 39
  2. 61
  3. 80
  4. 43
  5. 71
  6. 43
  7. 45
  8. 34
  9. 59
  10. 44
  11. 26
  12. 74
  13. 79
  14. 57
  15. 28
  16. 61
  17. 41
  18. 71
  19. 34
  20. 32
  21. 31
  22. 48
  23. 34
  24. 49
  25. 22
  26. 38
  27. 38
  28. 27
  29. 28
  30. 48
  31. 33
  32. 34
  33. 54
  34. 49
  35. 42
  36. 87
  37. 42
  38. 55
  39. 84
  40. 48

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