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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 399 · 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.Nisha’s batting average after 14 innings is 43 runs. How many runs must Nisha score in the next innings to raise the average to 47?
  2. 2.The average weight of 10 children is 35 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 5 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  4. 4.Ishaan’s batting average after 12 innings is 46 runs. How many runs must Ishaan score in the next innings to raise the average to 51?
  5. 5.A shop sells an average of 22 kg of sugar a day for 5 days, and then 58 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  6. 6.A shop sells an average of 75 kg of sugar a day for 4 days, and then 55 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  7. 7.Marks of 5 friends in a quiz: 69, 78, 64, 74, 90. What is their average mark?
  8. 8.The average of 7 numbers is 30. When one more number is added, the average becomes 35. What number was added?
  9. 9.Nisha’s batting average after 6 innings is 50 runs. How many runs must Nisha score in the next innings to raise the average to 54?
  10. 10.The average of 4 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  11. 11.A shop sells an average of 39 kg of sugar a day for 5 days, and then 41 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.Marks of 4 friends in a quiz: 19, 36, 19, 50. What is their average mark?
  13. 13.Ishaan’s batting average after 9 innings is 50 runs. How many runs must Ishaan score in the next innings to raise the average to 53?
  14. 14.The average of 6 numbers is 19. When one more number is added, the average becomes 22. What number was added?
  15. 15.Isha’s batting average after 14 innings is 33 runs. How many runs must Isha score in the next innings to raise the average to 38?
  16. 16.Marks of 4 friends in a quiz: 68, 75, 87, 78. What is their average mark?
  17. 17.The average of 4 numbers is 23. When one more number is added, the average becomes 24. What number was added?
  18. 18.A shop sells an average of 35 kg of sugar a day for 3 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  19. 19.Marks of 4 friends in a quiz: 17, 14, 38, 47. What is their average mark?
  20. 20.A shop sells an average of 65 kg of sugar a day for 3 days, and then 29 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  21. 21.The average of 9 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  22. 22.Marks of 5 friends in a quiz: 80, 78, 68, 92, 82. What is their average mark?
  23. 23.Marks of 4 friends in a quiz: 33, 31, 46, 66. What is their average mark?
  24. 24.The average of 4 numbers is 56. When one more number is added, the average becomes 58. What number was added?
  25. 25.The average of 7 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  26. 26.Karan’s batting average after 12 innings is 37 runs. How many runs must Karan score in the next innings to raise the average to 40?
  27. 27.Marks of 4 friends in a quiz: 22, 11, 21, 42. What is their average mark?
  28. 28.The average of 7 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  29. 29.The average of 7 numbers is 38. When one more number is added, the average becomes 42. What number was added?
  30. 30.The average of 7 numbers is 42. When one more number is added, the average becomes 48. What number was added?
  31. 31.Marks of 6 friends in a quiz: 52, 55, 63, 44, 41, 75. What is their average mark?
  32. 32.Marks of 4 friends in a quiz: 49, 76, 63, 60. What is their average mark?
  33. 33.The average of 7 numbers is 29. When one more number is added, the average becomes 30. What number was added?
  34. 34.A shop sells an average of 59 kg of sugar a day for 2 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.The average of 7 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  36. 36.The average of 6 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  37. 37.Dev’s batting average after 15 innings is 24 runs. How many runs must Dev score in the next innings to raise the average to 25?
  38. 38.Priya’s batting average after 5 innings is 26 runs. How many runs must Priya score in the next innings to raise the average to 27?
  39. 39.Aarav’s batting average after 15 innings is 28 runs. How many runs must Aarav score in the next innings to raise the average to 30?
  40. 40.The average weight of 7 children is 30 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 103
  2. 33
  3. 61
  4. 111
  5. 38
  6. 65
  7. 75
  8. 70
  9. 78
  10. 57
  11. 40
  12. 31
  13. 80
  14. 40
  15. 108
  16. 77
  17. 28
  18. 47
  19. 29
  20. 47
  21. 81
  22. 80
  23. 44
  24. 66
  25. 61
  26. 76
  27. 24
  28. 54
  29. 70
  30. 90
  31. 55
  32. 62
  33. 37
  34. 51
  35. 41
  36. 63
  37. 40
  38. 32
  39. 60
  40. 29

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