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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 720 · 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 7 children is 46 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 6 numbers is 30. When one more number is added, the average becomes 31. What number was added?
  3. 3.The average of 6 numbers is 33. When one more number is added, the average becomes 38. What number was added?
  4. 4.The average weight of 6 children is 46 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.A shop sells an average of 74 kg of sugar a day for 2 days, and then 22 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.The average weight of 7 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 54 kg of sugar a day for 3 days, and then 45 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  8. 8.The average of 8 numbers is 37. When one more number is added, the average becomes 42. What number was added?
  9. 9.Rahul’s batting average after 13 innings is 34 runs. How many runs must Rahul score in the next innings to raise the average to 38?
  10. 10.The average of 4 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  11. 11.Marks of 6 friends in a quiz: 43, 30, 53, 53, 42, 13. What is their average mark?
  12. 12.Marks of 4 friends in a quiz: 25, 22, 13, 48. What is their average mark?
  13. 13.Marks of 6 friends in a quiz: 28, 39, 50, 34, 48, 35. What is their average mark?
  14. 14.Marks of 4 friends in a quiz: 31, 26, 35, 60. What is their average mark?
  15. 15.Aarav’s batting average after 8 innings is 31 runs. How many runs must Aarav score in the next innings to raise the average to 34?
  16. 16.A shop sells an average of 54 kg of sugar a day for 4 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  17. 17.The average of 6 numbers is 21. When one more number is added, the average becomes 24. What number was added?
  18. 18.The average of 8 numbers is 15. When one more number is added, the average becomes 21. What number was added?
  19. 19.Marks of 4 friends in a quiz: 81, 71, 94, 94. What is their average mark?
  20. 20.Kavya’s batting average after 15 innings is 30 runs. How many runs must Kavya score in the next innings to raise the average to 35?
  21. 21.Marks of 5 friends in a quiz: 48, 63, 52, 51, 96. What is their average mark?
  22. 22.Ishaan’s batting average after 8 innings is 29 runs. How many runs must Ishaan score in the next innings to raise the average to 30?
  23. 23.The average of 6 numbers is 39. When one more number is added, the average becomes 41. What number was added?
  24. 24.Rohan’s batting average after 8 innings is 34 runs. How many runs must Rohan score in the next innings to raise the average to 36?
  25. 25.Rohan’s batting average after 14 innings is 43 runs. How many runs must Rohan score in the next innings to raise the average to 45?
  26. 26.Dev’s batting average after 15 innings is 22 runs. How many runs must Dev score in the next innings to raise the average to 24?
  27. 27.A shop sells an average of 32 kg of sugar a day for 3 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  28. 28.Aditya’s batting average after 5 innings is 26 runs. How many runs must Aditya score in the next innings to raise the average to 29?
  29. 29.Nisha’s batting average after 7 innings is 30 runs. How many runs must Nisha score in the next innings to raise the average to 31?
  30. 30.The average of 4 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  31. 31.Marks of 4 friends in a quiz: 26, 25, 48, 61. What is their average mark?
  32. 32.The average of 6 numbers is 25. When one more number is added, the average becomes 28. What number was added?
  33. 33.Marks of 6 friends in a quiz: 42, 31, 26, 26, 27, 34. What is their average mark?
  34. 34.Marks of 4 friends in a quiz: 38, 38, 42, 90. What is their average mark?
  35. 35.The average of 9 numbers is 25. When one more number is added, the average becomes 27. What number was added?
  36. 36.The average of 6 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  37. 37.The average of 5 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  38. 38.Aarav’s batting average after 11 innings is 34 runs. How many runs must Aarav score in the next innings to raise the average to 35?
  39. 39.A shop sells an average of 65 kg of sugar a day for 6 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  40. 40.A shop sells an average of 54 kg of sugar a day for 3 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 45
  2. 37
  3. 68
  4. 43
  5. 35
  6. 37
  7. 48
  8. 82
  9. 90
  10. 22
  11. 39
  12. 27
  13. 39
  14. 38
  15. 58
  16. 65
  17. 42
  18. 69
  19. 85
  20. 110
  21. 62
  22. 38
  23. 53
  24. 52
  25. 73
  26. 54
  27. 26
  28. 44
  29. 38
  30. 31
  31. 40
  32. 46
  33. 31
  34. 52
  35. 45
  36. 49
  37. 47
  38. 46
  39. 47
  40. 62

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