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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 565 · 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 16. When one more number is added, the average becomes 21. What number was added?
  2. 2.Marks of 6 friends in a quiz: 59, 48, 49, 62, 63, 37. What is their average mark?
  3. 3.Meera’s batting average after 11 innings is 39 runs. How many runs must Meera score in the next innings to raise the average to 43?
  4. 4.Marks of 5 friends in a quiz: 101, 78, 79, 83, 89. What is their average mark?
  5. 5.Diya’s batting average after 13 innings is 35 runs. How many runs must Diya score in the next innings to raise the average to 39?
  6. 6.Marks of 5 friends in a quiz: 28, 29, 31, 25, 22. What is their average mark?
  7. 7.Nisha’s batting average after 10 innings is 20 runs. How many runs must Nisha score in the next innings to raise the average to 22?
  8. 8.A shop sells an average of 41 kg of sugar a day for 3 days, and then 37 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  9. 9.The average of 9 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  10. 10.Ishaan’s batting average after 15 innings is 39 runs. How many runs must Ishaan score in the next innings to raise the average to 44?
  11. 11.The average of 5 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  12. 12.Rohan’s batting average after 9 innings is 25 runs. How many runs must Rohan score in the next innings to raise the average to 27?
  13. 13.A shop sells an average of 27 kg of sugar a day for 2 days, and then 39 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.A shop sells an average of 62 kg of sugar a day for 6 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  15. 15.Priya’s batting average after 13 innings is 44 runs. How many runs must Priya score in the next innings to raise the average to 47?
  16. 16.Marks of 5 friends in a quiz: 29, 50, 47, 33, 26. What is their average mark?
  17. 17.The average weight of 10 children is 42 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Priya’s batting average after 5 innings is 36 runs. How many runs must Priya score in the next innings to raise the average to 38?
  19. 19.A shop sells an average of 28 kg of sugar a day for 6 days, and then 40 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  20. 20.A shop sells an average of 24 kg of sugar a day for 5 days, and then 36 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  21. 21.Aditya’s batting average after 12 innings is 40 runs. How many runs must Aditya score in the next innings to raise the average to 41?
  22. 22.Marks of 5 friends in a quiz: 59, 51, 47, 45, 98. What is their average mark?
  23. 23.A shop sells an average of 40 kg of sugar a day for 4 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  24. 24.The average of 9 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  25. 25.Priya’s batting average after 15 innings is 20 runs. How many runs must Priya score in the next innings to raise the average to 21?
  26. 26.The average of 8 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  27. 27.Nisha’s batting average after 8 innings is 37 runs. How many runs must Nisha score in the next innings to raise the average to 40?
  28. 28.The average of 7 numbers is 39. When one more number is added, the average becomes 43. What number was added?
  29. 29.A shop sells an average of 57 kg of sugar a day for 6 days, and then 49 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  30. 30.The average of 5 numbers is 43. When one more number is added, the average becomes 46. What number was added?
  31. 31.The average of 6 numbers is 58. When one more number is added, the average becomes 60. What number was added?
  32. 32.The average weight of 11 children is 31 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 44 kg of sugar a day for 6 days, and then 46 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  34. 34.Manav’s batting average after 10 innings is 30 runs. How many runs must Manav score in the next innings to raise the average to 32?
  35. 35.The average weight of 9 children is 44 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 42 kg of sugar a day for 3 days, and then 30 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  37. 37.The average of 8 numbers is 53. When one more number is added, the average becomes 59. What number was added?
  38. 38.The average weight of 8 children is 46 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.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)?
  40. 40.The average weight of 12 children is 41 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 46
  2. 53
  3. 87
  4. 86
  5. 91
  6. 27
  7. 42
  8. 39
  9. 93
  10. 119
  11. 48
  12. 45
  13. 36
  14. 56
  15. 86
  16. 37
  17. 39
  18. 48
  19. 34
  20. 30
  21. 53
  22. 60
  23. 37
  24. 74
  25. 36
  26. 83
  27. 64
  28. 71
  29. 55
  30. 61
  31. 72
  32. 28
  33. 45
  34. 52
  35. 43
  36. 34
  37. 107
  38. 45
  39. 27
  40. 39

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