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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 428 · 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 12 children is 43 kg. One child, who weighs 76 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 6 children is 42 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 70 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)?
  4. 4.Marks of 5 friends in a quiz: 47, 31, 43, 26, 48. What is their average mark?
  5. 5.A shop sells an average of 48 kg of sugar a day for 4 days, and then 73 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  6. 6.Marks of 6 friends in a quiz: 35, 8, 27, 22, 23, 17. What is their average mark?
  7. 7.The average of 4 numbers is 34. When one more number is added, the average becomes 37. What number was added?
  8. 8.Marks of 6 friends in a quiz: 40, 27, 20, 20, 39, 52. What is their average mark?
  9. 9.The average weight of 11 children is 47 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 6 numbers is 40. When one more number is added, the average becomes 46. What number was added?
  11. 11.The average of 9 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  12. 12.A shop sells an average of 26 kg of sugar a day for 6 days, and then 66 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  13. 13.A shop sells an average of 68 kg of sugar a day for 3 days, and then 44 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.Marks of 6 friends in a quiz: 61, 66, 76, 74, 65, 90. What is their average mark?
  15. 15.Marks of 5 friends in a quiz: 45, 38, 19, 38, 30. What is their average mark?
  16. 16.A shop sells an average of 32 kg of sugar a day for 5 days, and then 41 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.The average of 4 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  18. 18.Marks of 5 friends in a quiz: 25, 30, 21, 44, 25. What is their average mark?
  19. 19.Aarav’s batting average after 6 innings is 23 runs. How many runs must Aarav score in the next innings to raise the average to 24?
  20. 20.The average weight of 10 children is 29 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average weight of 11 children is 36 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Ananya’s batting average after 6 innings is 46 runs. How many runs must Ananya score in the next innings to raise the average to 47?
  23. 23.Marks of 4 friends in a quiz: 81, 60, 62, 93. What is their average mark?
  24. 24.The average of 4 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  25. 25.The average weight of 10 children is 38 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 5 friends in a quiz: 58, 55, 61, 62, 94. What is their average mark?
  27. 27.Ishaan’s batting average after 12 innings is 37 runs. How many runs must Ishaan score in the next innings to raise the average to 38?
  28. 28.A shop sells an average of 76 kg of sugar a day for 4 days, and then 31 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  29. 29.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)?
  30. 30.The average weight of 7 children is 37 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.A shop sells an average of 70 kg of sugar a day for 2 days, and then 66 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.The average of 4 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  33. 33.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)?
  34. 34.The average of 6 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  35. 35.Nisha’s batting average after 13 innings is 32 runs. How many runs must Nisha score in the next innings to raise the average to 35?
  36. 36.The average of 9 numbers is 48. When one more number is added, the average becomes 49. What number was added?
  37. 37.Marks of 5 friends in a quiz: 14, 15, 22, 38, 56. What is their average mark?
  38. 38.The average of 6 numbers is 27. When one more number is added, the average becomes 33. What number was added?
  39. 39.The average weight of 10 children is 46 kg. One child, who weighs 73 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 12 children is 42 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 40
  2. 39
  3. 60
  4. 39
  5. 63
  6. 22
  7. 49
  8. 33
  9. 45
  10. 82
  11. 65
  12. 46
  13. 53
  14. 72
  15. 34
  16. 36
  17. 74
  18. 29
  19. 30
  20. 26
  21. 34
  22. 53
  23. 74
  24. 44
  25. 35
  26. 66
  27. 50
  28. 51
  29. 34
  30. 35
  31. 67
  32. 53
  33. 29
  34. 26
  35. 74
  36. 58
  37. 29
  38. 69
  39. 43
  40. 40

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