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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 285 · 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 4 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  2. 2.Zoya’s batting average after 7 innings is 35 runs. How many runs must Zoya score in the next innings to raise the average to 37?
  3. 3.Diya’s batting average after 8 innings is 46 runs. How many runs must Diya score in the next innings to raise the average to 49?
  4. 4.The average weight of 6 children is 35 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average of 5 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  6. 6.Marks of 4 friends in a quiz: 30, 36, 33, 21. What is their average mark?
  7. 7.The average weight of 8 children is 39 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Aarav’s batting average after 11 innings is 23 runs. How many runs must Aarav score in the next innings to raise the average to 28?
  9. 9.Marks of 4 friends in a quiz: 57, 60, 50, 49. What is their average mark?
  10. 10.Pooja’s batting average after 9 innings is 28 runs. How many runs must Pooja score in the next innings to raise the average to 30?
  11. 11.A shop sells an average of 65 kg of sugar a day for 3 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  12. 12.A shop sells an average of 38 kg of sugar a day for 2 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  13. 13.Aditya’s batting average after 15 innings is 23 runs. How many runs must Aditya score in the next innings to raise the average to 25?
  14. 14.A shop sells an average of 61 kg of sugar a day for 5 days, and then 23 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  15. 15.A shop sells an average of 56 kg of sugar a day for 4 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  16. 16.Marks of 4 friends in a quiz: 93, 96, 87, 48. What is their average mark?
  17. 17.Aditya’s batting average after 9 innings is 27 runs. How many runs must Aditya score in the next innings to raise the average to 32?
  18. 18.The average weight of 12 children is 28 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 5 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  20. 20.The average weight of 6 children is 44 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Vivaan’s batting average after 5 innings is 33 runs. How many runs must Vivaan score in the next innings to raise the average to 36?
  22. 22.The average of 6 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  23. 23.Marks of 5 friends in a quiz: 100, 84, 98, 80, 73. What is their average mark?
  24. 24.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)?
  25. 25.Marks of 5 friends in a quiz: 101, 77, 101, 85, 66. What is their average mark?
  26. 26.A shop sells an average of 70 kg of sugar a day for 2 days, and then 34 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.Marks of 6 friends in a quiz: 45, 72, 62, 43, 55, 65. What is their average mark?
  28. 28.Marks of 6 friends in a quiz: 77, 67, 76, 76, 64, 84. What is their average mark?
  29. 29.The average of 5 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  30. 30.Marks of 4 friends in a quiz: 35, 35, 49, 17. What is their average mark?
  31. 31.The average of 4 numbers is 54. When one more number is added, the average becomes 59. What number was added?
  32. 32.Marks of 5 friends in a quiz: 59, 45, 53, 55, 43. What is their average mark?
  33. 33.A shop sells an average of 29 kg of sugar a day for 6 days, and then 73 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  34. 34.The average of 6 numbers is 31. When one more number is added, the average becomes 34. What number was added?
  35. 35.Marks of 6 friends in a quiz: 47, 34, 43, 53, 51, 60. What is their average mark?
  36. 36.The average of 4 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  37. 37.Arjun’s batting average after 11 innings is 31 runs. How many runs must Arjun score in the next innings to raise the average to 32?
  38. 38.The average weight of 11 children is 27 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average weight of 8 children is 31 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 9 children is 43 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 47
  2. 51
  3. 73
  4. 34
  5. 23
  6. 30
  7. 36
  8. 83
  9. 54
  10. 48
  11. 46
  12. 40
  13. 55
  14. 42
  15. 66
  16. 81
  17. 77
  18. 27
  19. 53
  20. 41
  21. 51
  22. 29
  23. 87
  24. 37
  25. 86
  26. 46
  27. 57
  28. 74
  29. 47
  30. 34
  31. 79
  32. 51
  33. 49
  34. 52
  35. 48
  36. 30
  37. 43
  38. 25
  39. 28
  40. 40

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