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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 546 · 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.The average of 9 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  2. 2.Marks of 5 friends in a quiz: 48, 59, 56, 38, 29. What is their average mark?
  3. 3.The average of 8 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  4. 4.The average of 6 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  5. 5.Vivaan’s batting average after 12 innings is 37 runs. How many runs must Vivaan score in the next innings to raise the average to 39?
  6. 6.A shop sells an average of 65 kg of sugar a day for 2 days, and then 33 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  7. 7.Marks of 4 friends in a quiz: 88, 84, 101, 75. What is their average mark?
  8. 8.Saanvi’s batting average after 15 innings is 48 runs. How many runs must Saanvi score in the next innings to raise the average to 51?
  9. 9.Marks of 6 friends in a quiz: 55, 43, 60, 62, 37, 55. What is their average mark?
  10. 10.Marks of 6 friends in a quiz: 28, 30, 47, 28, 30, 89. What is their average mark?
  11. 11.Dev’s batting average after 14 innings is 36 runs. How many runs must Dev score in the next innings to raise the average to 40?
  12. 12.The average weight of 8 children is 28 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.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)?
  14. 14.Nisha’s batting average after 5 innings is 39 runs. How many runs must Nisha score in the next innings to raise the average to 44?
  15. 15.Aditya’s batting average after 9 innings is 32 runs. How many runs must Aditya score in the next innings to raise the average to 35?
  16. 16.The average weight of 9 children is 48 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Rohan’s batting average after 15 innings is 36 runs. How many runs must Rohan score in the next innings to raise the average to 40?
  18. 18.Farhan’s batting average after 15 innings is 24 runs. How many runs must Farhan score in the next innings to raise the average to 26?
  19. 19.Marks of 5 friends in a quiz: 63, 64, 61, 67, 75. What is their average mark?
  20. 20.Farhan’s batting average after 9 innings is 37 runs. How many runs must Farhan score in the next innings to raise the average to 40?
  21. 21.The average weight of 9 children is 44 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average weight of 5 children is 38 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Pooja’s batting average after 9 innings is 29 runs. How many runs must Pooja score in the next innings to raise the average to 31?
  24. 24.Tara’s batting average after 9 innings is 20 runs. How many runs must Tara score in the next innings to raise the average to 21?
  25. 25.Meera’s batting average after 14 innings is 42 runs. How many runs must Meera score in the next innings to raise the average to 43?
  26. 26.The average of 4 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  27. 27.Marks of 5 friends in a quiz: 43, 37, 38, 23, 14. What is their average mark?
  28. 28.A shop sells an average of 49 kg of sugar a day for 4 days, and then 77 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.Ishaan’s batting average after 14 innings is 35 runs. How many runs must Ishaan score in the next innings to raise the average to 40?
  30. 30.Marks of 4 friends in a quiz: 46, 73, 50, 63. What is their average mark?
  31. 31.The average of 7 numbers is 47. When one more number is added, the average becomes 53. What number was added?
  32. 32.A shop sells an average of 51 kg of sugar a day for 4 days, and then 69 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  33. 33.Marks of 6 friends in a quiz: 14, 8, 24, 32, 38, 22. What is their average mark?
  34. 34.The average of 4 numbers is 60. When one more number is added, the average becomes 65. What number was added?
  35. 35.A shop sells an average of 35 kg of sugar a day for 2 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  36. 36.The average weight of 11 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.A shop sells an average of 61 kg of sugar a day for 2 days, and then 28 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.Aarav’s batting average after 10 innings is 25 runs. How many runs must Aarav score in the next innings to raise the average to 28?
  39. 39.Marks of 6 friends in a quiz: 62, 88, 88, 87, 79, 40. What is their average mark?
  40. 40.A shop sells an average of 32 kg of sugar a day for 2 days, and then 80 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 25
  2. 46
  3. 51
  4. 53
  5. 63
  6. 49
  7. 87
  8. 96
  9. 52
  10. 42
  11. 96
  12. 25
  13. 38
  14. 69
  15. 62
  16. 45
  17. 100
  18. 56
  19. 66
  20. 67
  21. 43
  22. 36
  23. 49
  24. 30
  25. 57
  26. 53
  27. 31
  28. 63
  29. 110
  30. 58
  31. 95
  32. 60
  33. 23
  34. 85
  35. 53
  36. 44
  37. 39
  38. 58
  39. 74
  40. 68

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