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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 264 · 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 54 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 11 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 36 kg of sugar a day for 2 days, and then 60 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  4. 4.Kabir’s batting average after 5 innings is 26 runs. How many runs must Kabir score in the next innings to raise the average to 29?
  5. 5.A shop sells an average of 49 kg of sugar a day for 4 days, and then 76 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.The average weight of 11 children is 40 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 8 children is 27 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.A shop sells an average of 65 kg of sugar a day for 2 days, and then 56 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  9. 9.Farhan’s batting average after 7 innings is 47 runs. How many runs must Farhan score in the next innings to raise the average to 51?
  10. 10.The average of 9 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  11. 11.Marks of 5 friends in a quiz: 36, 37, 23, 19, 35. What is their average mark?
  12. 12.The average of 7 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  13. 13.The average weight of 9 children is 40 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Nisha’s batting average after 15 innings is 20 runs. How many runs must Nisha score in the next innings to raise the average to 21?
  15. 15.A shop sells an average of 68 kg of sugar a day for 3 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.A shop sells an average of 61 kg of sugar a day for 2 days, and then 58 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.Marks of 5 friends in a quiz: 90, 96, 69, 69, 96. What is their average mark?
  18. 18.A shop sells an average of 49 kg of sugar a day for 4 days, and then 51 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  19. 19.Zoya’s batting average after 15 innings is 49 runs. How many runs must Zoya score in the next innings to raise the average to 52?
  20. 20.Manav’s batting average after 15 innings is 36 runs. How many runs must Manav score in the next innings to raise the average to 39?
  21. 21.The average of 8 numbers is 39. When one more number is added, the average becomes 41. What number was added?
  22. 22.A shop sells an average of 43 kg of sugar a day for 3 days, and then 53 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  23. 23.The average of 8 numbers is 45. When one more number is added, the average becomes 48. What number was added?
  24. 24.The average weight of 9 children is 46 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 6 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  26. 26.The average of 9 numbers is 27. When one more number is added, the average becomes 32. What number was added?
  27. 27.Marks of 6 friends in a quiz: 73, 80, 82, 75, 60, 38. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 38, 58, 66, 50. What is their average mark?
  29. 29.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)?
  30. 30.The average of 7 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  31. 31.Marks of 4 friends in a quiz: 78, 82, 83, 33. What is their average mark?
  32. 32.The average of 7 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  33. 33.The average of 4 numbers is 43. When one more number is added, the average becomes 45. What number was added?
  34. 34.The average of 6 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  35. 35.Marks of 5 friends in a quiz: 41, 31, 55, 32, 41. What is their average mark?
  36. 36.The average of 5 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  37. 37.The average of 5 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  38. 38.Karan’s batting average after 13 innings is 23 runs. How many runs must Karan score in the next innings to raise the average to 28?
  39. 39.The average of 5 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  40. 40.The average weight of 6 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 42
  2. 44
  3. 54
  4. 44
  5. 58
  6. 39
  7. 25
  8. 59
  9. 79
  10. 54
  11. 30
  12. 31
  13. 39
  14. 36
  15. 73
  16. 59
  17. 84
  18. 50
  19. 97
  20. 84
  21. 57
  22. 47
  23. 72
  24. 44
  25. 58
  26. 77
  27. 68
  28. 53
  29. 42
  30. 37
  31. 69
  32. 85
  33. 53
  34. 43
  35. 40
  36. 66
  37. 49
  38. 93
  39. 45
  40. 32

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