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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 453 · 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 62 kg of sugar a day for 6 days, and then 56 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  2. 2.The average of 7 numbers is 26. When one more number is added, the average becomes 32. What number was added?
  3. 3.Tara’s batting average after 7 innings is 24 runs. How many runs must Tara score in the next innings to raise the average to 25?
  4. 4.A shop sells an average of 20 kg of sugar a day for 2 days, and then 50 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  5. 5.The average weight of 6 children is 43 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Ananya’s batting average after 7 innings is 33 runs. How many runs must Ananya score in the next innings to raise the average to 36?
  7. 7.Vivaan’s batting average after 15 innings is 29 runs. How many runs must Vivaan score in the next innings to raise the average to 33?
  8. 8.A shop sells an average of 62 kg of sugar a day for 3 days, and then 47 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  9. 9.Marks of 4 friends in a quiz: 29, 41, 29, 9. What is their average mark?
  10. 10.Marks of 5 friends in a quiz: 86, 83, 76, 94, 81. What is their average mark?
  11. 11.The average weight of 8 children is 30 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average weight of 6 children is 43 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.A shop sells an average of 40 kg of sugar a day for 6 days, and then 68 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  14. 14.The average weight of 11 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.A shop sells an average of 72 kg of sugar a day for 5 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  16. 16.The average of 5 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  17. 17.A shop sells an average of 69 kg of sugar a day for 6 days, and then 51 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  18. 18.The average weight of 6 children is 40 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average weight of 11 children is 44 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.A shop sells an average of 64 kg of sugar a day for 4 days, and then 30 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.Meera’s batting average after 12 innings is 25 runs. How many runs must Meera score in the next innings to raise the average to 29?
  22. 22.The average weight of 8 children is 28 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 9 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 12 children is 43 kg. One child, who weighs 76 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 4 friends in a quiz: 94, 79, 97, 66. What is their average mark?
  26. 26.Marks of 4 friends in a quiz: 20, 36, 36, 28. What is their average mark?
  27. 27.Marks of 5 friends in a quiz: 71, 77, 89, 86, 87. What is their average mark?
  28. 28.The average of 9 numbers is 39. When one more number is added, the average becomes 45. What number was added?
  29. 29.The average of 4 numbers is 25. When one more number is added, the average becomes 30. What number was added?
  30. 30.A shop sells an average of 20 kg of sugar a day for 6 days, and then 60 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  31. 31.The average weight of 10 children is 42 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Tara’s batting average after 11 innings is 47 runs. How many runs must Tara score in the next innings to raise the average to 49?
  33. 33.The average of 4 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  34. 34.Marks of 5 friends in a quiz: 34, 14, 18, 21, 43. What is their average mark?
  35. 35.Marks of 6 friends in a quiz: 27, 54, 32, 30, 42, 49. What is their average mark?
  36. 36.Marks of 5 friends in a quiz: 74, 85, 86, 60, 60. What is their average mark?
  37. 37.The average weight of 12 children is 41 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.A shop sells an average of 77 kg of sugar a day for 5 days, and then 79 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  39. 39.The average of 8 numbers is 35. When one more number is added, the average becomes 38. What number was added?
  40. 40.Tara’s batting average after 9 innings is 41 runs. How many runs must Tara score in the next innings to raise the average to 43?

Answer key

  1. 60
  2. 74
  3. 32
  4. 35
  5. 41
  6. 57
  7. 93
  8. 52
  9. 27
  10. 84
  11. 28
  12. 40
  13. 54
  14. 31
  15. 60
  16. 39
  17. 63
  18. 39
  19. 43
  20. 47
  21. 77
  22. 27
  23. 36
  24. 40
  25. 84
  26. 30
  27. 82
  28. 99
  29. 50
  30. 36
  31. 41
  32. 71
  33. 61
  34. 26
  35. 39
  36. 73
  37. 40
  38. 78
  39. 62
  40. 61

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