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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 75 · 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.A shop sells an average of 56 kg of sugar a day for 6 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  2. 2.The average weight of 6 children is 45 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Manav’s batting average after 10 innings is 42 runs. How many runs must Manav score in the next innings to raise the average to 44?
  4. 4.The average weight of 9 children is 42 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Priya’s batting average after 7 innings is 23 runs. How many runs must Priya score in the next innings to raise the average to 24?
  6. 6.The average weight of 11 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Vivaan’s batting average after 9 innings is 20 runs. How many runs must Vivaan score in the next innings to raise the average to 23?
  8. 8.Rohan’s batting average after 10 innings is 40 runs. How many runs must Rohan score in the next innings to raise the average to 44?
  9. 9.The average of 7 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  10. 10.Marks of 5 friends in a quiz: 25, 20, 19, 26, 25. What is their average mark?
  11. 11.A shop sells an average of 78 kg of sugar a day for 6 days, and then 46 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  12. 12.Marks of 6 friends in a quiz: 98, 98, 95, 84, 69, 60. What is their average mark?
  13. 13.Aarav’s batting average after 9 innings is 35 runs. How many runs must Aarav score in the next innings to raise the average to 40?
  14. 14.Marks of 4 friends in a quiz: 65, 85, 95, 75. What is their average mark?
  15. 15.The average of 4 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  16. 16.Marks of 4 friends in a quiz: 36, 30, 39, 55. What is their average mark?
  17. 17.Marks of 6 friends in a quiz: 72, 61, 66, 83, 65, 61. What is their average mark?
  18. 18.A shop sells an average of 62 kg of sugar a day for 4 days, and then 57 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  19. 19.Ishaan’s batting average after 14 innings is 32 runs. How many runs must Ishaan score in the next innings to raise the average to 35?
  20. 20.Marks of 6 friends in a quiz: 21, 26, 26, 39, 17, 45. What is their average mark?
  21. 21.A shop sells an average of 69 kg of sugar a day for 2 days, and then 54 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.A shop sells an average of 41 kg of sugar a day for 2 days, and then 53 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  23. 23.Diya’s batting average after 8 innings is 20 runs. How many runs must Diya score in the next innings to raise the average to 24?
  24. 24.The average of 5 numbers is 39. When one more number is added, the average becomes 41. What number was added?
  25. 25.Aditya’s batting average after 8 innings is 43 runs. How many runs must Aditya score in the next innings to raise the average to 45?
  26. 26.Marks of 4 friends in a quiz: 101, 96, 98, 53. What is their average mark?
  27. 27.Marks of 5 friends in a quiz: 68, 51, 50, 47, 79. What is their average mark?
  28. 28.The average weight of 7 children is 38 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average of 7 numbers is 43. When one more number is added, the average becomes 48. What number was added?
  30. 30.Rohan’s batting average after 13 innings is 30 runs. How many runs must Rohan score in the next innings to raise the average to 33?
  31. 31.A shop sells an average of 30 kg of sugar a day for 5 days, and then 78 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  32. 32.Marks of 4 friends in a quiz: 52, 48, 36, 56. What is their average mark?
  33. 33.The average of 4 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  34. 34.The average weight of 12 children is 44 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 4 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  36. 36.The average of 6 numbers is 34. When one more number is added, the average becomes 36. What number was added?
  37. 37.Marks of 5 friends in a quiz: 24, 20, 36, 16, 14. What is their average mark?
  38. 38.Marks of 4 friends in a quiz: 63, 42, 53, 42. What is their average mark?
  39. 39.A shop sells an average of 68 kg of sugar a day for 2 days, and then 48 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  40. 40.Rohan’s batting average after 15 innings is 47 runs. How many runs must Rohan score in the next innings to raise the average to 48?

Answer key

  1. 52
  2. 44
  3. 64
  4. 39
  5. 31
  6. 35
  7. 50
  8. 84
  9. 71
  10. 23
  11. 62
  12. 84
  13. 85
  14. 80
  15. 24
  16. 40
  17. 68
  18. 59
  19. 77
  20. 29
  21. 59
  22. 49
  23. 56
  24. 51
  25. 61
  26. 87
  27. 59
  28. 37
  29. 83
  30. 72
  31. 54
  32. 48
  33. 45
  34. 43
  35. 52
  36. 48
  37. 22
  38. 50
  39. 56
  40. 63

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