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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 581 · 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 26 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Kabir’s batting average after 15 innings is 25 runs. How many runs must Kabir score in the next innings to raise the average to 28?
  3. 3.Zoya’s batting average after 10 innings is 32 runs. How many runs must Zoya score in the next innings to raise the average to 34?
  4. 4.A shop sells an average of 70 kg of sugar a day for 2 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  5. 5.A shop sells an average of 50 kg of sugar a day for 2 days, and then 55 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  6. 6.Ananya’s batting average after 15 innings is 24 runs. How many runs must Ananya score in the next innings to raise the average to 26?
  7. 7.Isha’s batting average after 7 innings is 42 runs. How many runs must Isha score in the next innings to raise the average to 43?
  8. 8.Marks of 6 friends in a quiz: 33, 20, 17, 43, 45, 28. What is their average mark?
  9. 9.Marks of 5 friends in a quiz: 65, 71, 85, 71, 93. What is their average mark?
  10. 10.Marks of 6 friends in a quiz: 63, 61, 59, 70, 77, 96. What is their average mark?
  11. 11.Marks of 4 friends in a quiz: 45, 51, 59, 61. What is their average mark?
  12. 12.The average of 8 numbers is 58. When one more number is added, the average becomes 62. What number was added?
  13. 13.Zoya’s batting average after 9 innings is 28 runs. How many runs must Zoya score in the next innings to raise the average to 29?
  14. 14.The average weight of 12 children is 26 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.A shop sells an average of 44 kg of sugar a day for 2 days, and then 23 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  16. 16.The average of 6 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  17. 17.Marks of 6 friends in a quiz: 68, 74, 63, 55, 58, 54. What is their average mark?
  18. 18.The average weight of 9 children is 42 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 5 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  20. 20.Vivaan’s batting average after 8 innings is 31 runs. How many runs must Vivaan score in the next innings to raise the average to 32?
  21. 21.The average weight of 5 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 6 friends in a quiz: 39, 17, 13, 18, 20, 55. What is their average mark?
  23. 23.A shop sells an average of 42 kg of sugar a day for 6 days, and then 36 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  24. 24.Marks of 4 friends in a quiz: 50, 50, 33, 35. What is their average mark?
  25. 25.Marks of 4 friends in a quiz: 93, 92, 89, 70. What is their average mark?
  26. 26.A shop sells an average of 72 kg of sugar a day for 3 days, and then 44 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.Isha’s batting average after 6 innings is 27 runs. How many runs must Isha score in the next innings to raise the average to 32?
  28. 28.Dev’s batting average after 11 innings is 39 runs. How many runs must Dev score in the next innings to raise the average to 41?
  29. 29.The average weight of 8 children is 40 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Priya’s batting average after 10 innings is 24 runs. How many runs must Priya score in the next innings to raise the average to 29?
  31. 31.Rahul’s batting average after 15 innings is 24 runs. How many runs must Rahul score in the next innings to raise the average to 26?
  32. 32.The average of 5 numbers is 58. When one more number is added, the average becomes 64. What number was added?
  33. 33.Rohan’s batting average after 11 innings is 25 runs. How many runs must Rohan score in the next innings to raise the average to 28?
  34. 34.Marks of 4 friends in a quiz: 45, 41, 44, 34. What is their average mark?
  35. 35.Marks of 5 friends in a quiz: 57, 63, 71, 83, 86. What is their average mark?
  36. 36.The average of 7 numbers is 50. When one more number is added, the average becomes 56. What number was added?
  37. 37.The average weight of 5 children is 27 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 9 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  39. 39.Marks of 4 friends in a quiz: 40, 27, 30, 19. What is their average mark?
  40. 40.A shop sells an average of 20 kg of sugar a day for 5 days, and then 38 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?

Answer key

  1. 25
  2. 73
  3. 54
  4. 46
  5. 53
  6. 56
  7. 50
  8. 31
  9. 77
  10. 71
  11. 54
  12. 94
  13. 38
  14. 25
  15. 29
  16. 55
  17. 62
  18. 40
  19. 78
  20. 40
  21. 33
  22. 27
  23. 40
  24. 42
  25. 86
  26. 58
  27. 62
  28. 63
  29. 37
  30. 79
  31. 56
  32. 94
  33. 61
  34. 41
  35. 72
  36. 98
  37. 26
  38. 70
  39. 29
  40. 28

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