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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 710 · 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 40. When one more number is added, the average becomes 42. What number was added?
  2. 2.Marks of 4 friends in a quiz: 64, 59, 50, 59. What is their average mark?
  3. 3.The average weight of 7 children is 39 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.A shop sells an average of 39 kg of sugar a day for 6 days, and then 33 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  5. 5.A shop sells an average of 31 kg of sugar a day for 2 days, and then 59 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  6. 6.The average weight of 10 children is 45 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Marks of 5 friends in a quiz: 87, 69, 89, 77, 98. What is their average mark?
  8. 8.The average of 9 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  9. 9.Ananya’s batting average after 11 innings is 49 runs. How many runs must Ananya score in the next innings to raise the average to 54?
  10. 10.A shop sells an average of 42 kg of sugar a day for 4 days, and then 20 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.The average of 9 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  12. 12.A shop sells an average of 32 kg of sugar a day for 6 days, and then 65 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  13. 13.The average of 9 numbers is 56. When one more number is added, the average becomes 59. What number was added?
  14. 14.Isha’s batting average after 7 innings is 44 runs. How many runs must Isha score in the next innings to raise the average to 45?
  15. 15.The average weight of 12 children is 36 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 4 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  17. 17.Marks of 6 friends in a quiz: 78, 86, 82, 83, 77, 80. What is their average mark?
  18. 18.The average of 6 numbers is 56. When one more number is added, the average becomes 58. What number was added?
  19. 19.Marks of 4 friends in a quiz: 36, 64, 51, 53. What is their average mark?
  20. 20.A shop sells an average of 36 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)?
  21. 21.Manav’s batting average after 7 innings is 22 runs. How many runs must Manav score in the next innings to raise the average to 27?
  22. 22.The average of 5 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  23. 23.Marks of 4 friends in a quiz: 82, 73, 87, 78. What is their average mark?
  24. 24.The average of 5 numbers is 56. When one more number is added, the average becomes 57. What number was added?
  25. 25.Marks of 6 friends in a quiz: 28, 45, 23, 23, 25, 72. What is their average mark?
  26. 26.Rahul’s batting average after 5 innings is 30 runs. How many runs must Rahul score in the next innings to raise the average to 34?
  27. 27.The average weight of 11 children is 36 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 70 kg of sugar a day for 6 days, and then 74 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.Marks of 4 friends in a quiz: 81, 72, 64, 83. What is their average mark?
  30. 30.Priya’s batting average after 14 innings is 29 runs. How many runs must Priya score in the next innings to raise the average to 33?
  31. 31.Aarav’s batting average after 9 innings is 42 runs. How many runs must Aarav score in the next innings to raise the average to 45?
  32. 32.Marks of 4 friends in a quiz: 68, 81, 72, 83. What is their average mark?
  33. 33.Diya’s batting average after 10 innings is 36 runs. How many runs must Diya score in the next innings to raise the average to 39?
  34. 34.The average weight of 6 children is 32 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 5 friends in a quiz: 22, 23, 17, 42, 56. What is their average mark?
  36. 36.The average of 9 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  37. 37.The average of 7 numbers is 38. When one more number is added, the average becomes 42. What number was added?
  38. 38.A shop sells an average of 75 kg of sugar a day for 6 days, and then 65 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  39. 39.Marks of 5 friends in a quiz: 73, 44, 72, 64, 42. What is their average mark?
  40. 40.Farhan’s batting average after 15 innings is 36 runs. How many runs must Farhan score in the next innings to raise the average to 40?

Answer key

  1. 50
  2. 58
  3. 38
  4. 37
  5. 51
  6. 44
  7. 84
  8. 63
  9. 109
  10. 31
  11. 76
  12. 43
  13. 86
  14. 52
  15. 34
  16. 22
  17. 81
  18. 70
  19. 51
  20. 39
  21. 62
  22. 64
  23. 80
  24. 62
  25. 36
  26. 54
  27. 34
  28. 71
  29. 75
  30. 89
  31. 72
  32. 76
  33. 69
  34. 31
  35. 32
  36. 81
  37. 70
  38. 71
  39. 59
  40. 100

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