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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 72 · 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 6 friends in a quiz: 49, 49, 53, 51, 31, 37. What is their average mark?
  2. 2.Ananya’s batting average after 10 innings is 42 runs. How many runs must Ananya score in the next innings to raise the average to 43?
  3. 3.Marks of 6 friends in a quiz: 56, 67, 74, 74, 70, 73. What is their average mark?
  4. 4.Kabir’s batting average after 14 innings is 42 runs. How many runs must Kabir score in the next innings to raise the average to 43?
  5. 5.Marks of 5 friends in a quiz: 44, 28, 55, 46, 37. What is their average mark?
  6. 6.Arjun’s batting average after 9 innings is 24 runs. How many runs must Arjun score in the next innings to raise the average to 27?
  7. 7.Marks of 4 friends in a quiz: 26, 31, 5, 18. What is their average mark?
  8. 8.Ishaan’s batting average after 6 innings is 37 runs. How many runs must Ishaan score in the next innings to raise the average to 41?
  9. 9.Marks of 6 friends in a quiz: 47, 51, 71, 57, 61, 79. What is their average mark?
  10. 10.The average of 7 numbers is 19. When one more number is added, the average becomes 22. What number was added?
  11. 11.Marks of 4 friends in a quiz: 66, 68, 63, 27. What is their average mark?
  12. 12.Marks of 4 friends in a quiz: 39, 28, 21, 12. What is their average mark?
  13. 13.The average of 8 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  14. 14.The average weight of 10 children is 39 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.A shop sells an average of 71 kg of sugar a day for 4 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  16. 16.Marks of 5 friends in a quiz: 14, 12, 23, 32, 34. What is their average mark?
  17. 17.Priya’s batting average after 11 innings is 29 runs. How many runs must Priya score in the next innings to raise the average to 32?
  18. 18.Marks of 6 friends in a quiz: 28, 46, 47, 55, 56, 26. What is their average mark?
  19. 19.Marks of 4 friends in a quiz: 79, 71, 74, 76. What is their average mark?
  20. 20.The average of 4 numbers is 44. When one more number is added, the average becomes 48. What number was added?
  21. 21.Marks of 4 friends in a quiz: 13, 16, 17, 42. What is their average mark?
  22. 22.Kavya’s batting average after 5 innings is 26 runs. How many runs must Kavya score in the next innings to raise the average to 27?
  23. 23.Marks of 5 friends in a quiz: 58, 48, 60, 53, 76. What is their average mark?
  24. 24.The average weight of 6 children is 42 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 4 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  26. 26.Zoya’s batting average after 5 innings is 29 runs. How many runs must Zoya score in the next innings to raise the average to 30?
  27. 27.Marks of 4 friends in a quiz: 44, 50, 48, 30. What is their average mark?
  28. 28.A shop sells an average of 73 kg of sugar a day for 3 days, and then 75 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.The average of 5 numbers is 40. When one more number is added, the average becomes 43. What number was added?
  30. 30.The average of 9 numbers is 42. When one more number is added, the average becomes 48. What number was added?
  31. 31.Vivaan’s batting average after 11 innings is 30 runs. How many runs must Vivaan score in the next innings to raise the average to 35?
  32. 32.Marks of 6 friends in a quiz: 72, 91, 88, 82, 69, 90. What is their average mark?
  33. 33.A shop sells an average of 35 kg of sugar a day for 4 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.Manav’s batting average after 6 innings is 41 runs. How many runs must Manav score in the next innings to raise the average to 44?
  35. 35.Marks of 4 friends in a quiz: 48, 24, 47, 21. What is their average mark?
  36. 36.The average of 5 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  37. 37.Marks of 6 friends in a quiz: 13, 7, 9, 10, 15, 72. What is their average mark?
  38. 38.The average weight of 12 children is 44 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 4 friends in a quiz: 27, 38, 34, 13. What is their average mark?
  40. 40.The average weight of 5 children is 42 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 45
  2. 53
  3. 69
  4. 57
  5. 42
  6. 54
  7. 20
  8. 65
  9. 61
  10. 43
  11. 56
  12. 25
  13. 67
  14. 38
  15. 51
  16. 23
  17. 65
  18. 43
  19. 75
  20. 64
  21. 22
  22. 32
  23. 59
  24. 40
  25. 47
  26. 35
  27. 43
  28. 74
  29. 58
  30. 102
  31. 90
  32. 82
  33. 37
  34. 62
  35. 35
  36. 22
  37. 21
  38. 42
  39. 28
  40. 41

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