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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 438 · 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.A shop sells an average of 78 kg of sugar a day for 5 days, and then 76 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  2. 2.The average of 7 numbers is 31. When one more number is added, the average becomes 37. What number was added?
  3. 3.Marks of 4 friends in a quiz: 45, 60, 65, 66. What is their average mark?
  4. 4.The average of 7 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  5. 5.A shop sells an average of 61 kg of sugar a day for 5 days, and then 47 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  6. 6.Manav’s batting average after 10 innings is 49 runs. How many runs must Manav score in the next innings to raise the average to 52?
  7. 7.The average weight of 9 children is 33 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Aditya’s batting average after 15 innings is 21 runs. How many runs must Aditya score in the next innings to raise the average to 24?
  9. 9.The average weight of 6 children is 46 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 4 friends in a quiz: 36, 26, 35, 55. What is their average mark?
  11. 11.The average weight of 8 children is 30 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 6 friends in a quiz: 43, 45, 26, 21, 19, 26. What is their average mark?
  13. 13.The average weight of 7 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 8 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  15. 15.Marks of 5 friends in a quiz: 53, 44, 40, 32, 31. What is their average mark?
  16. 16.A shop sells an average of 62 kg of sugar a day for 2 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  17. 17.The average of 6 numbers is 57. When one more number is added, the average becomes 62. What number was added?
  18. 18.Marks of 4 friends in a quiz: 69, 85, 64, 94. What is their average mark?
  19. 19.The average weight of 5 children is 31 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Pooja’s batting average after 7 innings is 22 runs. How many runs must Pooja score in the next innings to raise the average to 25?
  21. 21.The average of 9 numbers is 23. When one more number is added, the average becomes 26. What number was added?
  22. 22.Marks of 6 friends in a quiz: 23, 35, 8, 18, 25, 29. What is their average mark?
  23. 23.The average weight of 6 children is 37 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 9 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  25. 25.Diya’s batting average after 8 innings is 34 runs. How many runs must Diya score in the next innings to raise the average to 35?
  26. 26.A shop sells an average of 61 kg of sugar a day for 4 days, and then 26 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  27. 27.A shop sells an average of 80 kg of sugar a day for 5 days, and then 52 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  28. 28.A shop sells an average of 71 kg of sugar a day for 2 days, and then 43 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.Marks of 5 friends in a quiz: 49, 32, 32, 32, 70. What is their average mark?
  30. 30.The average of 5 numbers is 58. When one more number is added, the average becomes 64. What number was added?
  31. 31.A shop sells an average of 74 kg of sugar a day for 3 days, and then 36 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  32. 32.Marks of 4 friends in a quiz: 86, 95, 83, 64. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 29, 27, 28, 40. What is their average mark?
  34. 34.A shop sells an average of 69 kg of sugar a day for 2 days, and then 57 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  35. 35.The average of 9 numbers is 46. When one more number is added, the average becomes 49. What number was added?
  36. 36.The average weight of 5 children is 33 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 6 friends in a quiz: 52, 70, 61, 53, 73, 63. What is their average mark?
  38. 38.A shop sells an average of 35 kg of sugar a day for 2 days, and then 53 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  39. 39.Marks of 5 friends in a quiz: 31, 46, 22, 25, 31. What is their average mark?
  40. 40.The average of 4 numbers is 34. When one more number is added, the average becomes 37. What number was added?

Answer key

  1. 77
  2. 79
  3. 59
  4. 34
  5. 54
  6. 82
  7. 31
  8. 69
  9. 45
  10. 38
  11. 27
  12. 30
  13. 29
  14. 44
  15. 40
  16. 55
  17. 92
  18. 78
  19. 30
  20. 46
  21. 53
  22. 23
  23. 36
  24. 98
  25. 43
  26. 40
  27. 72
  28. 50
  29. 43
  30. 94
  31. 55
  32. 82
  33. 31
  34. 63
  35. 76
  36. 31
  37. 62
  38. 47
  39. 31
  40. 49

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