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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 564 · 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.Ishaan’s batting average after 6 innings is 45 runs. How many runs must Ishaan score in the next innings to raise the average to 46?
  2. 2.Marks of 6 friends in a quiz: 50, 57, 53, 47, 58, 53. What is their average mark?
  3. 3.The average of 4 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  4. 4.A shop sells an average of 80 kg of sugar a day for 6 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  5. 5.Marks of 6 friends in a quiz: 77, 57, 57, 61, 67, 59. What is their average mark?
  6. 6.The average weight of 6 children is 43 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Vivaan’s batting average after 6 innings is 47 runs. How many runs must Vivaan score in the next innings to raise the average to 49?
  8. 8.Marks of 6 friends in a quiz: 18, 43, 26, 36, 22, 47. What is their average mark?
  9. 9.A shop sells an average of 30 kg of sugar a day for 3 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  10. 10.The average of 5 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  11. 11.The average weight of 6 children is 36 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 5 friends in a quiz: 21, 46, 21, 46, 21. What is their average mark?
  13. 13.The average weight of 8 children is 44 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 7 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  15. 15.The average of 7 numbers is 41. When one more number is added, the average becomes 47. What number was added?
  16. 16.The average of 5 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  17. 17.Marks of 4 friends in a quiz: 29, 41, 30, 24. What is their average mark?
  18. 18.Ishaan’s batting average after 13 innings is 45 runs. How many runs must Ishaan score in the next innings to raise the average to 50?
  19. 19.Marks of 5 friends in a quiz: 90, 64, 67, 73, 86. What is their average mark?
  20. 20.The average weight of 6 children is 32 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Isha’s batting average after 14 innings is 37 runs. How many runs must Isha score in the next innings to raise the average to 41?
  22. 22.The average of 6 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  23. 23.The average of 4 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  24. 24.The average of 9 numbers is 55. When one more number is added, the average becomes 57. What number was added?
  25. 25.Meera’s batting average after 10 innings is 28 runs. How many runs must Meera score in the next innings to raise the average to 29?
  26. 26.Marks of 6 friends in a quiz: 24, 32, 44, 30, 46, 58. What is their average mark?
  27. 27.Meera’s batting average after 15 innings is 31 runs. How many runs must Meera score in the next innings to raise the average to 36?
  28. 28.The average of 9 numbers is 29. When one more number is added, the average becomes 31. What number was added?
  29. 29.Marks of 4 friends in a quiz: 75, 68, 51, 66. What is their average mark?
  30. 30.Marks of 5 friends in a quiz: 17, 23, 40, 20, 40. What is their average mark?
  31. 31.Rohan’s batting average after 10 innings is 27 runs. How many runs must Rohan score in the next innings to raise the average to 32?
  32. 32.A shop sells an average of 47 kg of sugar a day for 6 days, and then 71 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  33. 33.Kabir’s batting average after 7 innings is 24 runs. How many runs must Kabir score in the next innings to raise the average to 27?
  34. 34.Rahul’s batting average after 7 innings is 20 runs. How many runs must Rahul score in the next innings to raise the average to 21?
  35. 35.The average of 7 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  36. 36.A shop sells an average of 37 kg of sugar a day for 3 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.Marks of 4 friends in a quiz: 57, 35, 40, 68. What is their average mark?
  38. 38.Nisha’s batting average after 11 innings is 41 runs. How many runs must Nisha score in the next innings to raise the average to 42?
  39. 39.Marks of 5 friends in a quiz: 77, 92, 92, 98, 71. What is their average mark?
  40. 40.The average of 7 numbers is 19. When one more number is added, the average becomes 24. What number was added?

Answer key

  1. 52
  2. 53
  3. 33
  4. 64
  5. 63
  6. 41
  7. 61
  8. 32
  9. 40
  10. 65
  11. 35
  12. 31
  13. 41
  14. 68
  15. 89
  16. 64
  17. 31
  18. 115
  19. 76
  20. 29
  21. 97
  22. 27
  23. 40
  24. 75
  25. 39
  26. 39
  27. 111
  28. 49
  29. 65
  30. 28
  31. 82
  32. 55
  33. 48
  34. 28
  35. 63
  36. 36
  37. 50
  38. 53
  39. 86
  40. 59

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