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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 537 · 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: 68, 63, 59, 50. What is their average mark?
  2. 2.Tara’s batting average after 7 innings is 37 runs. How many runs must Tara score in the next innings to raise the average to 39?
  3. 3.The average of 4 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  4. 4.A shop sells an average of 36 kg of sugar a day for 5 days, and then 28 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  5. 5.The average of 4 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  6. 6.Marks of 5 friends in a quiz: 55, 77, 59, 73, 76. What is their average mark?
  7. 7.The average of 9 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  8. 8.A shop sells an average of 40 kg of sugar a day for 6 days, and then 25 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  9. 9.The average weight of 11 children is 40 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.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)?
  11. 11.The average of 7 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  12. 12.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.A shop sells an average of 51 kg of sugar a day for 4 days, and then 61 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  14. 14.The average of 6 numbers is 19. When one more number is added, the average becomes 23. What number was added?
  15. 15.Karan’s batting average after 7 innings is 24 runs. How many runs must Karan score in the next innings to raise the average to 28?
  16. 16.The average weight of 5 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 25 kg of sugar a day for 2 days, and then 55 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.Nisha’s batting average after 14 innings is 24 runs. How many runs must Nisha score in the next innings to raise the average to 25?
  19. 19.The average of 6 numbers is 51. When one more number is added, the average becomes 52. What number was added?
  20. 20.The average of 4 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  21. 21.A shop sells an average of 80 kg of sugar a day for 3 days, and then 68 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  22. 22.A shop sells an average of 26 kg of sugar a day for 5 days, and then 42 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  23. 23.Zoya’s batting average after 13 innings is 22 runs. How many runs must Zoya score in the next innings to raise the average to 23?
  24. 24.Marks of 4 friends in a quiz: 93, 79, 82, 94. What is their average mark?
  25. 25.Marks of 5 friends in a quiz: 40, 64, 44, 62, 35. What is their average mark?
  26. 26.The average of 4 numbers is 57. When one more number is added, the average becomes 61. What number was added?
  27. 27.Aarav’s batting average after 7 innings is 50 runs. How many runs must Aarav score in the next innings to raise the average to 54?
  28. 28.The average weight of 9 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average weight of 5 children is 33 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Marks of 6 friends in a quiz: 32, 36, 30, 28, 40, 74. What is their average mark?
  31. 31.The average of 6 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  32. 32.The average of 5 numbers is 46. When one more number is added, the average becomes 52. What number was added?
  33. 33.A shop sells an average of 61 kg of sugar a day for 4 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.A shop sells an average of 66 kg of sugar a day for 5 days, and then 58 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  35. 35.The average of 9 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  36. 36.Ananya’s batting average after 8 innings is 27 runs. How many runs must Ananya score in the next innings to raise the average to 31?
  37. 37.The average weight of 9 children is 31 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 8 numbers is 39. When one more number is added, the average becomes 44. What number was added?
  39. 39.Aditya’s batting average after 12 innings is 25 runs. How many runs must Aditya score in the next innings to raise the average to 26?
  40. 40.The average of 8 numbers is 18. When one more number is added, the average becomes 21. What number was added?

Answer key

  1. 60
  2. 53
  3. 56
  4. 32
  5. 40
  6. 68
  7. 31
  8. 35
  9. 37
  10. 49
  11. 71
  12. 38
  13. 57
  14. 47
  15. 56
  16. 30
  17. 45
  18. 39
  19. 58
  20. 64
  21. 72
  22. 34
  23. 36
  24. 87
  25. 49
  26. 77
  27. 82
  28. 28
  29. 32
  30. 40
  31. 22
  32. 82
  33. 54
  34. 62
  35. 73
  36. 63
  37. 30
  38. 84
  39. 38
  40. 45

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