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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 616 · 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 54. When one more number is added, the average becomes 55. What number was added?
  2. 2.The average weight of 9 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average weight of 12 children is 27 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.A shop sells an average of 80 kg of sugar a day for 6 days, and then 20 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  5. 5.Marks of 6 friends in a quiz: 55, 43, 54, 43, 34, 65. What is their average mark?
  6. 6.Marks of 6 friends in a quiz: 15, 14, 23, 28, 16, 30. What is their average mark?
  7. 7.The average of 7 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  8. 8.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)?
  9. 9.The average of 7 numbers is 33. When one more number is added, the average becomes 36. What number was added?
  10. 10.The average weight of 5 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.A shop sells an average of 41 kg of sugar a day for 3 days, and then 47 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  12. 12.Aarav’s batting average after 11 innings is 49 runs. How many runs must Aarav score in the next innings to raise the average to 50?
  13. 13.The average of 5 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  14. 14.Marks of 5 friends in a quiz: 71, 59, 65, 61, 44. What is their average mark?
  15. 15.The average of 8 numbers is 34. When one more number is added, the average becomes 40. What number was added?
  16. 16.A shop sells an average of 38 kg of sugar a day for 2 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.The average of 4 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  18. 18.The average of 4 numbers is 39. When one more number is added, the average becomes 44. What number was added?
  19. 19.A shop sells an average of 76 kg of sugar a day for 5 days, and then 40 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  20. 20.A shop sells an average of 20 kg of sugar a day for 3 days, and then 36 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.Priya’s batting average after 8 innings is 42 runs. How many runs must Priya score in the next innings to raise the average to 47?
  22. 22.Marks of 5 friends in a quiz: 65, 64, 64, 65, 92. What is their average mark?
  23. 23.Marks of 5 friends in a quiz: 26, 31, 41, 40, 12. What is their average mark?
  24. 24.The average weight of 6 children is 48 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 6 children is 39 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 5 friends in a quiz: 45, 48, 40, 49, 53. What is their average mark?
  27. 27.The average of 8 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  28. 28.Kabir’s batting average after 15 innings is 38 runs. How many runs must Kabir score in the next innings to raise the average to 40?
  29. 29.Marks of 6 friends in a quiz: 47, 36, 46, 56, 28, 45. What is their average mark?
  30. 30.Meera’s batting average after 5 innings is 20 runs. How many runs must Meera score in the next innings to raise the average to 23?
  31. 31.Marks of 5 friends in a quiz: 21, 35, 28, 11, 15. What is their average mark?
  32. 32.The average weight of 12 children is 39 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Vivaan’s batting average after 9 innings is 21 runs. How many runs must Vivaan score in the next innings to raise the average to 22?
  34. 34.Kavya’s batting average after 7 innings is 49 runs. How many runs must Kavya score in the next innings to raise the average to 50?
  35. 35.The average weight of 7 children is 34 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average of 9 numbers is 16. When one more number is added, the average becomes 19. What number was added?
  37. 37.Karan’s batting average after 5 innings is 38 runs. How many runs must Karan score in the next innings to raise the average to 43?
  38. 38.The average weight of 11 children is 42 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average weight of 12 children is 26 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Karan’s batting average after 9 innings is 28 runs. How many runs must Karan score in the next innings to raise the average to 32?

Answer key

  1. 60
  2. 27
  3. 25
  4. 50
  5. 49
  6. 21
  7. 33
  8. 40
  9. 57
  10. 26
  11. 44
  12. 61
  13. 50
  14. 60
  15. 88
  16. 62
  17. 56
  18. 64
  19. 60
  20. 30
  21. 87
  22. 70
  23. 30
  24. 45
  25. 38
  26. 47
  27. 55
  28. 70
  29. 43
  30. 38
  31. 22
  32. 38
  33. 31
  34. 57
  35. 33
  36. 46
  37. 68
  38. 41
  39. 25
  40. 68

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