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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 329 · 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 6 numbers is 45. When one more number is added, the average becomes 50. What number was added?
  2. 2.The average of 6 numbers is 49. When one more number is added, the average becomes 54. What number was added?
  3. 3.Meera’s batting average after 5 innings is 34 runs. How many runs must Meera score in the next innings to raise the average to 38?
  4. 4.The average weight of 10 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average of 4 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  6. 6.The average weight of 11 children is 27 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 7 numbers is 59. When one more number is added, the average becomes 62. What number was added?
  8. 8.Marks of 5 friends in a quiz: 74, 67, 54, 74, 41. What is their average mark?
  9. 9.Arjun’s batting average after 15 innings is 50 runs. How many runs must Arjun score in the next innings to raise the average to 51?
  10. 10.The average of 8 numbers is 26. When one more number is added, the average becomes 32. What number was added?
  11. 11.The average of 9 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  12. 12.Kavya’s batting average after 15 innings is 44 runs. How many runs must Kavya score in the next innings to raise the average to 48?
  13. 13.The average of 5 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  14. 14.The average of 5 numbers is 41. When one more number is added, the average becomes 47. What number was added?
  15. 15.Marks of 5 friends in a quiz: 49, 33, 37, 46, 40. What is their average mark?
  16. 16.A shop sells an average of 53 kg of sugar a day for 6 days, and then 45 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  17. 17.Marks of 5 friends in a quiz: 72, 67, 61, 54, 61. What is their average mark?
  18. 18.The average weight of 7 children is 42 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average weight of 9 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average weight of 10 children is 38 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Tara’s batting average after 9 innings is 28 runs. How many runs must Tara score in the next innings to raise the average to 33?
  22. 22.The average of 7 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  23. 23.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)?
  24. 24.The average weight of 11 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.A shop sells an average of 44 kg of sugar a day for 4 days, and then 59 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  26. 26.Zoya’s batting average after 15 innings is 25 runs. How many runs must Zoya score in the next innings to raise the average to 28?
  27. 27.Marks of 6 friends in a quiz: 66, 85, 76, 84, 68, 89. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 19, 20, 35, 14. What is their average mark?
  29. 29.Farhan’s batting average after 14 innings is 49 runs. How many runs must Farhan score in the next innings to raise the average to 52?
  30. 30.Ananya’s batting average after 6 innings is 21 runs. How many runs must Ananya score in the next innings to raise the average to 23?
  31. 31.Diya’s batting average after 7 innings is 31 runs. How many runs must Diya score in the next innings to raise the average to 35?
  32. 32.The average of 7 numbers is 45. When one more number is added, the average becomes 46. What number was added?
  33. 33.The average weight of 8 children is 39 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 4 friends in a quiz: 40, 40, 44, 56. What is their average mark?
  35. 35.The average weight of 7 children is 35 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Ananya’s batting average after 6 innings is 45 runs. How many runs must Ananya score in the next innings to raise the average to 49?
  37. 37.A shop sells an average of 39 kg of sugar a day for 2 days, and then 23 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  38. 38.Kabir’s batting average after 10 innings is 27 runs. How many runs must Kabir score in the next innings to raise the average to 32?
  39. 39.The average weight of 5 children is 36 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.A shop sells an average of 58 kg of sugar a day for 6 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?

Answer key

  1. 80
  2. 84
  3. 58
  4. 32
  5. 51
  6. 25
  7. 83
  8. 62
  9. 66
  10. 80
  11. 88
  12. 108
  13. 44
  14. 77
  15. 41
  16. 51
  17. 63
  18. 40
  19. 42
  20. 37
  21. 78
  22. 46
  23. 44
  24. 35
  25. 53
  26. 73
  27. 78
  28. 22
  29. 94
  30. 35
  31. 63
  32. 53
  33. 36
  34. 45
  35. 33
  36. 73
  37. 31
  38. 82
  39. 35
  40. 53

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