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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 529 · 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 4 numbers is 55. When one more number is added, the average becomes 61. What number was added?
  2. 2.Ananya’s batting average after 9 innings is 50 runs. How many runs must Ananya score in the next innings to raise the average to 55?
  3. 3.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)?
  4. 4.A shop sells an average of 49 kg of sugar a day for 3 days, and then 35 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  5. 5.Marks of 4 friends in a quiz: 35, 44, 47, 14. What is their average mark?
  6. 6.A shop sells an average of 35 kg of sugar a day for 5 days, and then 61 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  7. 7.The average weight of 6 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Kabir’s batting average after 7 innings is 30 runs. How many runs must Kabir score in the next innings to raise the average to 32?
  9. 9.The average weight of 7 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 4 friends in a quiz: 24, 10, 30, 32. What is their average mark?
  11. 11.Aarav’s batting average after 9 innings is 24 runs. How many runs must Aarav score in the next innings to raise the average to 28?
  12. 12.Marks of 4 friends in a quiz: 64, 68, 48, 64. What is their average mark?
  13. 13.The average of 8 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  14. 14.A shop sells an average of 38 kg of sugar a day for 2 days, and then 52 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  15. 15.The average of 5 numbers is 49. When one more number is added, the average becomes 50. What number was added?
  16. 16.A shop sells an average of 20 kg of sugar a day for 6 days, and then 80 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.Kabir’s batting average after 6 innings is 34 runs. How many runs must Kabir score in the next innings to raise the average to 39?
  18. 18.The average of 5 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  19. 19.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)?
  20. 20.Marks of 4 friends in a quiz: 85, 88, 104, 79. What is their average mark?
  21. 21.Marks of 6 friends in a quiz: 42, 49, 41, 40, 69, 83. What is their average mark?
  22. 22.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 5 friends in a quiz: 22, 33, 31, 34, 30. What is their average mark?
  24. 24.The average weight of 8 children is 30 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 7 children is 39 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Meera’s batting average after 11 innings is 26 runs. How many runs must Meera score in the next innings to raise the average to 27?
  27. 27.The average of 9 numbers is 17. When one more number is added, the average becomes 21. What number was added?
  28. 28.The average weight of 8 children is 44 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Aarav’s batting average after 13 innings is 34 runs. How many runs must Aarav score in the next innings to raise the average to 38?
  30. 30.Marks of 4 friends in a quiz: 33, 16, 32, 35. What is their average mark?
  31. 31.The average weight of 8 children is 31 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 6 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 73 kg of sugar a day for 3 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.Marks of 6 friends in a quiz: 13, 14, 32, 39, 21, 49. What is their average mark?
  35. 35.Marks of 4 friends in a quiz: 93, 73, 75, 91. What is their average mark?
  36. 36.Priya’s batting average after 6 innings is 26 runs. How many runs must Priya score in the next innings to raise the average to 28?
  37. 37.The average weight of 5 children is 43 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 4 friends in a quiz: 57, 30, 34, 55. What is their average mark?
  39. 39.The average of 4 numbers is 40. When one more number is added, the average becomes 46. What number was added?
  40. 40.A shop sells an average of 21 kg of sugar a day for 6 days, and then 71 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?

Answer key

  1. 85
  2. 100
  3. 29
  4. 41
  5. 35
  6. 48
  7. 28
  8. 46
  9. 34
  10. 24
  11. 64
  12. 61
  13. 58
  14. 45
  15. 55
  16. 40
  17. 69
  18. 32
  19. 25
  20. 89
  21. 54
  22. 27
  23. 30
  24. 29
  25. 36
  26. 38
  27. 57
  28. 43
  29. 90
  30. 29
  31. 28
  32. 43
  33. 50
  34. 28
  35. 83
  36. 40
  37. 40
  38. 44
  39. 70
  40. 41

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