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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 443 · 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 weight of 11 children is 35 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 7 children is 45 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average weight of 5 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Karan’s batting average after 5 innings is 21 runs. How many runs must Karan score in the next innings to raise the average to 25?
  5. 5.The average of 6 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  6. 6.The average of 5 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  7. 7.The average of 4 numbers is 50. When one more number is added, the average becomes 51. What number was added?
  8. 8.The average weight of 9 children is 36 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.A shop sells an average of 49 kg of sugar a day for 6 days, and then 67 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  10. 10.The average weight of 12 children is 36 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.A shop sells an average of 71 kg of sugar a day for 6 days, and then 61 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  12. 12.Marks of 4 friends in a quiz: 49, 50, 61, 60. What is their average mark?
  13. 13.A shop sells an average of 67 kg of sugar a day for 6 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.The average weight of 6 children is 43 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Rahul’s batting average after 15 innings is 38 runs. How many runs must Rahul score in the next innings to raise the average to 41?
  16. 16.Arjun’s batting average after 9 innings is 21 runs. How many runs must Arjun score in the next innings to raise the average to 25?
  17. 17.The average of 7 numbers is 29. When one more number is added, the average becomes 31. What number was added?
  18. 18.The average of 9 numbers is 39. When one more number is added, the average becomes 43. What number was added?
  19. 19.Marks of 4 friends in a quiz: 62, 62, 41, 39. What is their average mark?
  20. 20.The average weight of 11 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average of 7 numbers is 33. When one more number is added, the average becomes 36. What number was added?
  22. 22.Marks of 4 friends in a quiz: 12, 29, 19, 40. What is their average mark?
  23. 23.The average weight of 10 children is 45 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 73 kg of sugar a day for 2 days, and then 49 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.The average weight of 5 children is 37 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 4 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  27. 27.The average weight of 7 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 30 kg of sugar a day for 6 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  29. 29.A shop sells an average of 52 kg of sugar a day for 6 days, and then 22 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  30. 30.Marks of 5 friends in a quiz: 42, 63, 58, 63, 54. What is their average mark?
  31. 31.The average weight of 7 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 7 numbers is 34. When one more number is added, the average becomes 36. What number was added?
  33. 33.A shop sells an average of 26 kg of sugar a day for 3 days, and then 58 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.Aarav’s batting average after 8 innings is 43 runs. How many runs must Aarav score in the next innings to raise the average to 45?
  35. 35.Vivaan’s batting average after 13 innings is 33 runs. How many runs must Vivaan score in the next innings to raise the average to 34?
  36. 36.Marks of 6 friends in a quiz: 77, 72, 57, 55, 69, 78. What is their average mark?
  37. 37.A shop sells an average of 78 kg of sugar a day for 3 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.The average of 9 numbers is 58. When one more number is added, the average becomes 63. What number was added?
  39. 39.A shop sells an average of 72 kg of sugar a day for 5 days, and then 32 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  40. 40.Marks of 6 friends in a quiz: 56, 48, 39, 39, 55, 33. What is their average mark?

Answer key

  1. 32
  2. 44
  3. 28
  4. 45
  5. 43
  6. 23
  7. 55
  8. 34
  9. 55
  10. 35
  11. 66
  12. 55
  13. 62
  14. 42
  15. 86
  16. 61
  17. 45
  18. 79
  19. 51
  20. 29
  21. 57
  22. 25
  23. 43
  24. 55
  25. 34
  26. 42
  27. 29
  28. 29
  29. 40
  30. 56
  31. 30
  32. 50
  33. 42
  34. 61
  35. 47
  36. 68
  37. 52
  38. 108
  39. 52
  40. 45

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