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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 385 · 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 7 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  2. 2.The average of 9 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  3. 3.Kabir’s batting average after 14 innings is 38 runs. How many runs must Kabir score in the next innings to raise the average to 42?
  4. 4.A shop sells an average of 34 kg of sugar a day for 2 days, and then 78 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  5. 5.A shop sells an average of 61 kg of sugar a day for 5 days, and then 69 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.The average weight of 7 children is 38 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Kavya’s batting average after 7 innings is 45 runs. How many runs must Kavya score in the next innings to raise the average to 46?
  8. 8.The average of 8 numbers is 51. When one more number is added, the average becomes 57. What number was added?
  9. 9.Dev’s batting average after 15 innings is 42 runs. How many runs must Dev score in the next innings to raise the average to 47?
  10. 10.Pooja’s batting average after 7 innings is 40 runs. How many runs must Pooja score in the next innings to raise the average to 41?
  11. 11.A shop sells an average of 36 kg of sugar a day for 5 days, and then 28 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.The average weight of 11 children is 34 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Farhan’s batting average after 15 innings is 33 runs. How many runs must Farhan score in the next innings to raise the average to 34?
  14. 14.Nisha’s batting average after 8 innings is 28 runs. How many runs must Nisha score in the next innings to raise the average to 33?
  15. 15.A shop sells an average of 48 kg of sugar a day for 2 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  16. 16.A shop sells an average of 22 kg of sugar a day for 6 days, and then 64 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.The average weight of 5 children is 38 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 6 friends in a quiz: 64, 47, 65, 43, 53, 58. What is their average mark?
  19. 19.Marks of 6 friends in a quiz: 57, 73, 57, 69, 54, 86. What is their average mark?
  20. 20.Aarav’s batting average after 9 innings is 48 runs. How many runs must Aarav score in the next innings to raise the average to 53?
  21. 21.The average of 4 numbers is 59. When one more number is added, the average becomes 61. What number was added?
  22. 22.Marks of 4 friends in a quiz: 41, 58, 38, 47. What is their average mark?
  23. 23.Marks of 4 friends in a quiz: 28, 17, 27, 40. What is their average mark?
  24. 24.A shop sells an average of 62 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)?
  25. 25.Marks of 4 friends in a quiz: 58, 60, 76, 50. What is their average mark?
  26. 26.Marks of 6 friends in a quiz: 44, 43, 49, 40, 46, 84. What is their average mark?
  27. 27.The average weight of 8 children is 32 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 5 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 42 kg of sugar a day for 6 days, and then 20 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  30. 30.Marks of 6 friends in a quiz: 39, 45, 36, 55, 43, 58. What is their average mark?
  31. 31.A shop sells an average of 33 kg of sugar a day for 2 days, and then 39 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  32. 32.Marks of 5 friends in a quiz: 41, 18, 17, 30, 24. What is their average mark?
  33. 33.Kabir’s batting average after 11 innings is 41 runs. How many runs must Kabir score in the next innings to raise the average to 44?
  34. 34.Marks of 6 friends in a quiz: 54, 68, 46, 67, 64, 37. What is their average mark?
  35. 35.The average weight of 12 children is 27 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 52 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)?
  37. 37.The average of 5 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  38. 38.A shop sells an average of 41 kg of sugar a day for 5 days, and then 45 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  39. 39.The average of 7 numbers is 48. When one more number is added, the average becomes 52. What number was added?
  40. 40.Marks of 5 friends in a quiz: 74, 100, 100, 96, 70. What is their average mark?

Answer key

  1. 65
  2. 46
  3. 98
  4. 56
  5. 64
  6. 36
  7. 53
  8. 105
  9. 122
  10. 48
  11. 32
  12. 32
  13. 49
  14. 73
  15. 37
  16. 36
  17. 37
  18. 55
  19. 66
  20. 98
  21. 69
  22. 46
  23. 28
  24. 56
  25. 61
  26. 51
  27. 29
  28. 41
  29. 32
  30. 46
  31. 36
  32. 26
  33. 77
  34. 56
  35. 26
  36. 59
  37. 45
  38. 43
  39. 80
  40. 88

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