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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 316 · 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 4 friends in a quiz: 6, 25, 29, 20. What is their average mark?
  2. 2.A shop sells an average of 45 kg of sugar a day for 5 days, and then 51 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  3. 3.Zoya’s batting average after 12 innings is 25 runs. How many runs must Zoya score in the next innings to raise the average to 30?
  4. 4.Marks of 4 friends in a quiz: 57, 45, 56, 58. What is their average mark?
  5. 5.A shop sells an average of 44 kg of sugar a day for 3 days, and then 38 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  6. 6.A shop sells an average of 51 kg of sugar a day for 2 days, and then 36 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  7. 7.The average of 5 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  8. 8.Diya’s batting average after 6 innings is 23 runs. How many runs must Diya score in the next innings to raise the average to 25?
  9. 9.The average weight of 6 children is 41 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 4 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  11. 11.Vivaan’s batting average after 5 innings is 49 runs. How many runs must Vivaan score in the next innings to raise the average to 53?
  12. 12.Dev’s batting average after 14 innings is 34 runs. How many runs must Dev score in the next innings to raise the average to 39?
  13. 13.The average of 8 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  14. 14.Manav’s batting average after 11 innings is 23 runs. How many runs must Manav score in the next innings to raise the average to 26?
  15. 15.Marks of 6 friends in a quiz: 39, 65, 40, 62, 58, 60. What is their average mark?
  16. 16.Marks of 4 friends in a quiz: 40, 44, 54, 70. What is their average mark?
  17. 17.A shop sells an average of 59 kg of sugar a day for 2 days, and then 55 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  18. 18.Marks of 4 friends in a quiz: 83, 74, 95, 68. What is their average mark?
  19. 19.A shop sells an average of 72 kg of sugar a day for 6 days, and then 68 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  20. 20.Marks of 4 friends in a quiz: 58, 46, 38, 34. What is their average mark?
  21. 21.Isha’s batting average after 7 innings is 22 runs. How many runs must Isha score in the next innings to raise the average to 27?
  22. 22.A shop sells an average of 46 kg of sugar a day for 5 days, and then 37 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  23. 23.The average of 7 numbers is 43. When one more number is added, the average becomes 45. What number was added?
  24. 24.The average weight of 12 children is 46 kg. One child, who weighs 79 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 9 numbers is 29. When one more number is added, the average becomes 32. What number was added?
  26. 26.The average of 4 numbers is 46. When one more number is added, the average becomes 50. What number was added?
  27. 27.A shop sells an average of 48 kg of sugar a day for 3 days, and then 64 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  28. 28.Rohan’s batting average after 8 innings is 27 runs. How many runs must Rohan score in the next innings to raise the average to 28?
  29. 29.The average of 6 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  30. 30.The average weight of 5 children is 29 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Meera’s batting average after 14 innings is 40 runs. How many runs must Meera score in the next innings to raise the average to 45?
  32. 32.Farhan’s batting average after 10 innings is 32 runs. How many runs must Farhan score in the next innings to raise the average to 34?
  33. 33.Marks of 4 friends in a quiz: 43, 45, 40, 88. What is their average mark?
  34. 34.The average weight of 8 children is 43 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Kabir’s batting average after 5 innings is 35 runs. How many runs must Kabir score in the next innings to raise the average to 40?
  36. 36.Marks of 6 friends in a quiz: 24, 32, 50, 24, 25, 73. What is their average mark?
  37. 37.Marks of 6 friends in a quiz: 66, 67, 44, 66, 51, 42. What is their average mark?
  38. 38.The average of 4 numbers is 42. When one more number is added, the average becomes 48. What number was added?
  39. 39.Marks of 6 friends in a quiz: 36, 42, 53, 43, 44, 82. What is their average mark?
  40. 40.The average of 9 numbers is 20. When one more number is added, the average becomes 22. What number was added?

Answer key

  1. 20
  2. 48
  3. 90
  4. 54
  5. 40
  6. 42
  7. 31
  8. 37
  9. 39
  10. 41
  11. 73
  12. 109
  13. 55
  14. 59
  15. 54
  16. 52
  17. 57
  18. 80
  19. 70
  20. 44
  21. 62
  22. 42
  23. 59
  24. 43
  25. 59
  26. 66
  27. 56
  28. 36
  29. 37
  30. 28
  31. 115
  32. 54
  33. 54
  34. 40
  35. 65
  36. 38
  37. 56
  38. 72
  39. 50
  40. 40

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