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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 488 · 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.Marks of 5 friends in a quiz: 28, 24, 37, 17, 29. What is their average mark?
  2. 2.The average weight of 9 children is 33 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Marks of 5 friends in a quiz: 88, 84, 80, 85, 43. What is their average mark?
  4. 4.The average of 6 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  5. 5.Marks of 4 friends in a quiz: 46, 21, 36, 29. What is their average mark?
  6. 6.Vivaan’s batting average after 11 innings is 46 runs. How many runs must Vivaan score in the next innings to raise the average to 49?
  7. 7.Marks of 4 friends in a quiz: 96, 96, 75, 89. What is their average mark?
  8. 8.A shop sells an average of 31 kg of sugar a day for 4 days, and then 77 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  9. 9.Nisha’s batting average after 11 innings is 45 runs. How many runs must Nisha score in the next innings to raise the average to 47?
  10. 10.A shop sells an average of 61 kg of sugar a day for 4 days, and then 43 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.Nisha’s batting average after 15 innings is 46 runs. How many runs must Nisha score in the next innings to raise the average to 49?
  12. 12.A shop sells an average of 73 kg of sugar a day for 6 days, and then 61 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  13. 13.Marks of 4 friends in a quiz: 56, 55, 50, 59. What is their average mark?
  14. 14.A shop sells an average of 49 kg of sugar a day for 2 days, and then 22 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.Karan’s batting average after 12 innings is 23 runs. How many runs must Karan score in the next innings to raise the average to 26?
  16. 16.Farhan’s batting average after 7 innings is 48 runs. How many runs must Farhan score in the next innings to raise the average to 52?
  17. 17.A shop sells an average of 21 kg of sugar a day for 3 days, and then 66 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  18. 18.Marks of 6 friends in a quiz: 63, 57, 60, 62, 63, 85. What is their average mark?
  19. 19.The average of 6 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  20. 20.Marks of 4 friends in a quiz: 14, 12, 38, 44. What is their average mark?
  21. 21.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)?
  22. 22.The average of 9 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  23. 23.Isha’s batting average after 11 innings is 25 runs. How many runs must Isha score in the next innings to raise the average to 27?
  24. 24.Nisha’s batting average after 8 innings is 42 runs. How many runs must Nisha score in the next innings to raise the average to 44?
  25. 25.The average weight of 7 children is 40 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 7 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  27. 27.A shop sells an average of 45 kg of sugar a day for 3 days, and then 75 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  28. 28.The average of 6 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  29. 29.Kavya’s batting average after 13 innings is 28 runs. How many runs must Kavya score in the next innings to raise the average to 32?
  30. 30.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)?
  31. 31.Diya’s batting average after 11 innings is 44 runs. How many runs must Diya score in the next innings to raise the average to 48?
  32. 32.Marks of 4 friends in a quiz: 14, 16, 21, 61. What is their average mark?
  33. 33.Ishaan’s batting average after 6 innings is 23 runs. How many runs must Ishaan score in the next innings to raise the average to 26?
  34. 34.The average of 4 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  35. 35.The average weight of 12 children is 42 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 4 friends in a quiz: 102, 97, 86, 75. What is their average mark?
  37. 37.The average weight of 11 children is 46 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 5 numbers is 59. When one more number is added, the average becomes 65. What number was added?
  39. 39.Kabir’s batting average after 15 innings is 45 runs. How many runs must Kabir score in the next innings to raise the average to 49?
  40. 40.The average of 5 numbers is 30. When one more number is added, the average becomes 35. What number was added?

Answer key

  1. 27
  2. 30
  3. 76
  4. 31
  5. 33
  6. 82
  7. 89
  8. 54
  9. 69
  10. 52
  11. 94
  12. 69
  13. 55
  14. 31
  15. 62
  16. 80
  17. 39
  18. 65
  19. 40
  20. 27
  21. 44
  22. 48
  23. 49
  24. 60
  25. 38
  26. 47
  27. 65
  28. 67
  29. 84
  30. 40
  31. 92
  32. 28
  33. 44
  34. 53
  35. 41
  36. 90
  37. 45
  38. 95
  39. 109
  40. 60

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