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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 122 · 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 26. When one more number is added, the average becomes 27. What number was added?
  2. 2.The average of 4 numbers is 60. When one more number is added, the average becomes 62. What number was added?
  3. 3.The average of 5 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  4. 4.Marks of 4 friends in a quiz: 22, 24, 37, 53. What is their average mark?
  5. 5.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)?
  6. 6.A shop sells an average of 78 kg of sugar a day for 4 days, and then 56 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  7. 7.Marks of 4 friends in a quiz: 35, 23, 25, 53. What is their average mark?
  8. 8.A shop sells an average of 64 kg of sugar a day for 6 days, and then 73 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  9. 9.Marks of 6 friends in a quiz: 48, 59, 38, 58, 48, 67. What is their average mark?
  10. 10.The average of 9 numbers is 16. When one more number is added, the average becomes 20. What number was added?
  11. 11.The average weight of 5 children is 46 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 4 friends in a quiz: 51, 42, 39, 52. What is their average mark?
  13. 13.A shop sells an average of 27 kg of sugar a day for 4 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  14. 14.The average of 9 numbers is 60. When one more number is added, the average becomes 63. What number was added?
  15. 15.The average weight of 7 children is 26 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Arjun’s batting average after 6 innings is 25 runs. How many runs must Arjun score in the next innings to raise the average to 26?
  17. 17.The average of 6 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  18. 18.The average of 8 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  19. 19.Ananya’s batting average after 13 innings is 25 runs. How many runs must Ananya score in the next innings to raise the average to 30?
  20. 20.Meera’s batting average after 11 innings is 38 runs. How many runs must Meera score in the next innings to raise the average to 42?
  21. 21.The average weight of 8 children is 35 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Tara’s batting average after 9 innings is 33 runs. How many runs must Tara score in the next innings to raise the average to 35?
  23. 23.Farhan’s batting average after 15 innings is 32 runs. How many runs must Farhan score in the next innings to raise the average to 34?
  24. 24.The average of 4 numbers is 33. When one more number is added, the average becomes 37. What number was added?
  25. 25.A shop sells an average of 34 kg of sugar a day for 2 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  26. 26.The average weight of 11 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.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)?
  28. 28.The average of 9 numbers is 22. When one more number is added, the average becomes 27. What number was added?
  29. 29.The average weight of 8 children is 29 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Zoya’s batting average after 7 innings is 43 runs. How many runs must Zoya score in the next innings to raise the average to 48?
  31. 31.The average of 5 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  32. 32.The average of 5 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  33. 33.Marks of 4 friends in a quiz: 75, 88, 66, 91. What is their average mark?
  34. 34.Marks of 4 friends in a quiz: 59, 67, 56, 30. What is their average mark?
  35. 35.A shop sells an average of 24 kg of sugar a day for 3 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.The average weight of 11 children is 28 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Kabir’s batting average after 7 innings is 45 runs. How many runs must Kabir score in the next innings to raise the average to 49?
  38. 38.Farhan’s batting average after 5 innings is 34 runs. How many runs must Farhan score in the next innings to raise the average to 36?
  39. 39.Marks of 4 friends in a quiz: 63, 87, 68, 78. What is their average mark?
  40. 40.Marks of 4 friends in a quiz: 75, 92, 83, 98. What is their average mark?

Answer key

  1. 32
  2. 70
  3. 23
  4. 34
  5. 36
  6. 67
  7. 34
  8. 67
  9. 53
  10. 56
  11. 45
  12. 46
  13. 42
  14. 90
  15. 25
  16. 32
  17. 58
  18. 47
  19. 95
  20. 86
  21. 33
  22. 53
  23. 64
  24. 53
  25. 64
  26. 37
  27. 35
  28. 72
  29. 28
  30. 83
  31. 60
  32. 51
  33. 80
  34. 53
  35. 37
  36. 25
  37. 77
  38. 46
  39. 74
  40. 87

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