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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 463 · 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.Pooja’s batting average after 14 innings is 45 runs. How many runs must Pooja score in the next innings to raise the average to 47?
  2. 2.Marks of 6 friends in a quiz: 35, 35, 35, 30, 28, 5. What is their average mark?
  3. 3.Kabir’s batting average after 10 innings is 45 runs. How many runs must Kabir score in the next innings to raise the average to 46?
  4. 4.Dev’s batting average after 10 innings is 34 runs. How many runs must Dev score in the next innings to raise the average to 36?
  5. 5.Manav’s batting average after 12 innings is 44 runs. How many runs must Manav score in the next innings to raise the average to 47?
  6. 6.Marks of 5 friends in a quiz: 71, 81, 62, 62, 94. What is their average mark?
  7. 7.A shop sells an average of 55 kg of sugar a day for 5 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  8. 8.A shop sells an average of 40 kg of sugar a day for 4 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  9. 9.The average of 5 numbers is 31. When one more number is added, the average becomes 37. What number was added?
  10. 10.The average of 7 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  11. 11.Marks of 4 friends in a quiz: 27, 40, 23, 54. What is their average mark?
  12. 12.Nisha’s batting average after 8 innings is 45 runs. How many runs must Nisha score in the next innings to raise the average to 48?
  13. 13.The average weight of 6 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 4 friends in a quiz: 27, 22, 29, 10. What is their average mark?
  15. 15.Marks of 4 friends in a quiz: 38, 39, 35, 76. What is their average mark?
  16. 16.Marks of 5 friends in a quiz: 67, 64, 72, 46, 46. What is their average mark?
  17. 17.The average of 8 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  18. 18.The average of 6 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  19. 19.The average weight of 12 children is 35 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Marks of 6 friends in a quiz: 62, 52, 78, 66, 56, 70. What is their average mark?
  21. 21.Priya’s batting average after 10 innings is 43 runs. How many runs must Priya score in the next innings to raise the average to 47?
  22. 22.Rohan’s batting average after 5 innings is 40 runs. How many runs must Rohan score in the next innings to raise the average to 45?
  23. 23.Marks of 4 friends in a quiz: 67, 87, 73, 93. What is their average mark?
  24. 24.The average of 8 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  25. 25.A shop sells an average of 31 kg of sugar a day for 6 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  26. 26.The average weight of 9 children is 45 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Ishaan’s batting average after 10 innings is 23 runs. How many runs must Ishaan score in the next innings to raise the average to 28?
  28. 28.The average of 4 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  29. 29.Marks of 5 friends in a quiz: 27, 34, 28, 26, 90. What is their average mark?
  30. 30.Nisha’s batting average after 5 innings is 20 runs. How many runs must Nisha score in the next innings to raise the average to 24?
  31. 31.The average of 9 numbers is 57. When one more number is added, the average becomes 60. What number was added?
  32. 32.The average weight of 11 children is 26 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average weight of 11 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.A shop sells an average of 74 kg of sugar a day for 2 days, and then 77 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.The average weight of 5 children is 36 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average weight of 11 children is 33 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 5 friends in a quiz: 21, 33, 44, 29, 18. What is their average mark?
  38. 38.The average of 9 numbers is 51. When one more number is added, the average becomes 54. What number was added?
  39. 39.Meera’s batting average after 5 innings is 28 runs. How many runs must Meera score in the next innings to raise the average to 29?
  40. 40.The average of 7 numbers is 29. When one more number is added, the average becomes 30. What number was added?

Answer key

  1. 75
  2. 28
  3. 56
  4. 56
  5. 83
  6. 74
  7. 49
  8. 34
  9. 67
  10. 32
  11. 36
  12. 72
  13. 27
  14. 22
  15. 47
  16. 59
  17. 74
  18. 46
  19. 33
  20. 64
  21. 87
  22. 70
  23. 80
  24. 96
  25. 33
  26. 44
  27. 78
  28. 47
  29. 41
  30. 44
  31. 87
  32. 25
  33. 28
  34. 76
  35. 35
  36. 31
  37. 29
  38. 81
  39. 34
  40. 37

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