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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 663 · 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.Arjun’s batting average after 14 innings is 43 runs. How many runs must Arjun score in the next innings to raise the average to 47?
  2. 2.Marks of 5 friends in a quiz: 58, 73, 72, 66, 56. What is their average mark?
  3. 3.The average weight of 12 children is 31 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 8 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  5. 5.Marks of 4 friends in a quiz: 44, 27, 24, 53. What is their average mark?
  6. 6.The average weight of 10 children is 32 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 68 kg of sugar a day for 4 days, and then 43 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  8. 8.The average weight of 5 children is 26 kg. One child, who weighs 30 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 6 friends in a quiz: 20, 32, 24, 35, 39, 24. What is their average mark?
  10. 10.The average weight of 6 children is 46 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.A shop sells an average of 25 kg of sugar a day for 3 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  12. 12.The average weight of 5 children is 47 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.A shop sells an average of 26 kg of sugar a day for 5 days, and then 48 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  14. 14.Marks of 4 friends in a quiz: 93, 79, 83, 85. What is their average mark?
  15. 15.Marks of 4 friends in a quiz: 37, 53, 55, 19. What is their average mark?
  16. 16.The average of 8 numbers is 45. When one more number is added, the average becomes 49. What number was added?
  17. 17.A shop sells an average of 38 kg of sugar a day for 3 days, and then 68 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.The average of 8 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  19. 19.Kabir’s batting average after 7 innings is 21 runs. How many runs must Kabir score in the next innings to raise the average to 22?
  20. 20.The average of 5 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  21. 21.Aditya’s batting average after 7 innings is 39 runs. How many runs must Aditya score in the next innings to raise the average to 40?
  22. 22.A shop sells an average of 24 kg of sugar a day for 2 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  23. 23.Marks of 5 friends in a quiz: 21, 16, 35, 27, 31. What is their average mark?
  24. 24.The average of 4 numbers is 29. When one more number is added, the average becomes 33. What number was added?
  25. 25.The average of 5 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  26. 26.The average weight of 8 children is 40 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 11 children is 40 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 9 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  29. 29.The average of 8 numbers is 43. When one more number is added, the average becomes 47. What number was added?
  30. 30.Ananya’s batting average after 7 innings is 27 runs. How many runs must Ananya score in the next innings to raise the average to 32?
  31. 31.The average of 4 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  32. 32.A shop sells an average of 44 kg of sugar a day for 3 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.The average of 8 numbers is 21. When one more number is added, the average becomes 24. What number was added?
  34. 34.Rahul’s batting average after 14 innings is 48 runs. How many runs must Rahul score in the next innings to raise the average to 52?
  35. 35.Marks of 6 friends in a quiz: 63, 49, 40, 65, 54, 59. What is their average mark?
  36. 36.A shop sells an average of 70 kg of sugar a day for 4 days, and then 38 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  37. 37.The average of 9 numbers is 38. When one more number is added, the average becomes 40. What number was added?
  38. 38.A shop sells an average of 52 kg of sugar a day for 5 days, and then 44 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  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.Nisha’s batting average after 9 innings is 33 runs. How many runs must Nisha score in the next innings to raise the average to 35?

Answer key

  1. 103
  2. 65
  3. 30
  4. 82
  5. 37
  6. 31
  7. 53
  8. 25
  9. 29
  10. 45
  11. 45
  12. 44
  13. 38
  14. 85
  15. 41
  16. 81
  17. 53
  18. 77
  19. 29
  20. 74
  21. 47
  22. 29
  23. 26
  24. 49
  25. 47
  26. 38
  27. 37
  28. 68
  29. 79
  30. 67
  31. 44
  32. 57
  33. 48
  34. 108
  35. 55
  36. 54
  37. 58
  38. 49
  39. 43
  40. 53

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