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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 451 · 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 5 numbers is 39. When one more number is added, the average becomes 42. What number was added?
  2. 2.Marks of 4 friends in a quiz: 59, 62, 61, 14. What is their average mark?
  3. 3.The average of 9 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  4. 4.A shop sells an average of 80 kg of sugar a day for 6 days, and then 56 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  5. 5.Rahul’s batting average after 8 innings is 22 runs. How many runs must Rahul score in the next innings to raise the average to 23?
  6. 6.Tara’s batting average after 9 innings is 32 runs. How many runs must Tara score in the next innings to raise the average to 33?
  7. 7.The average of 6 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  8. 8.A shop sells an average of 23 kg of sugar a day for 4 days, and then 68 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  9. 9.The average of 4 numbers is 40. When one more number is added, the average becomes 43. What number was added?
  10. 10.A shop sells an average of 26 kg of sugar a day for 4 days, and then 64 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.A shop sells an average of 39 kg of sugar a day for 6 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.Marks of 6 friends in a quiz: 63, 62, 41, 40, 62, 44. What is their average mark?
  13. 13.Karan’s batting average after 11 innings is 22 runs. How many runs must Karan score in the next innings to raise the average to 23?
  14. 14.A shop sells an average of 53 kg of sugar a day for 2 days, and then 21 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  15. 15.A shop sells an average of 52 kg of sugar a day for 3 days, and then 44 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  16. 16.A shop sells an average of 61 kg of sugar a day for 5 days, and then 63 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  17. 17.The average weight of 9 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 8 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  19. 19.The average of 4 numbers is 28. When one more number is added, the average becomes 30. What number was added?
  20. 20.The average of 5 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  21. 21.The average weight of 8 children is 35 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 6 numbers is 33. When one more number is added, the average becomes 39. What number was added?
  23. 23.Nisha’s batting average after 14 innings is 40 runs. How many runs must Nisha score in the next innings to raise the average to 43?
  24. 24.Aarav’s batting average after 13 innings is 44 runs. How many runs must Aarav score in the next innings to raise the average to 45?
  25. 25.Marks of 5 friends in a quiz: 39, 17, 35, 41, 23. What is their average mark?
  26. 26.Priya’s batting average after 5 innings is 48 runs. How many runs must Priya score in the next innings to raise the average to 50?
  27. 27.Marks of 4 friends in a quiz: 82, 88, 69, 85. What is their average mark?
  28. 28.The average weight of 7 children is 38 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 4 friends in a quiz: 45, 28, 27, 32. What is their average mark?
  30. 30.The average of 8 numbers is 18. When one more number is added, the average becomes 22. What number was added?
  31. 31.The average weight of 5 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 7 children is 28 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 5 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  34. 34.Tara’s batting average after 7 innings is 45 runs. How many runs must Tara score in the next innings to raise the average to 50?
  35. 35.Marks of 4 friends in a quiz: 61, 68, 63, 84. What is their average mark?
  36. 36.A shop sells an average of 64 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)?
  37. 37.Sneha’s batting average after 7 innings is 23 runs. How many runs must Sneha score in the next innings to raise the average to 24?
  38. 38.Aditya’s batting average after 6 innings is 36 runs. How many runs must Aditya score in the next innings to raise the average to 37?
  39. 39.Marks of 6 friends in a quiz: 89, 97, 89, 94, 90, 63. What is their average mark?
  40. 40.Farhan’s batting average after 14 innings is 33 runs. How many runs must Farhan score in the next innings to raise the average to 34?

Answer key

  1. 57
  2. 49
  3. 38
  4. 74
  5. 31
  6. 42
  7. 66
  8. 48
  9. 55
  10. 45
  11. 35
  12. 52
  13. 34
  14. 29
  15. 47
  16. 62
  17. 36
  18. 57
  19. 38
  20. 28
  21. 34
  22. 75
  23. 85
  24. 58
  25. 31
  26. 60
  27. 81
  28. 35
  29. 33
  30. 54
  31. 27
  32. 26
  33. 47
  34. 85
  35. 69
  36. 36
  37. 31
  38. 43
  39. 87
  40. 48

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