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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 677 · 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.Kabir’s batting average after 8 innings is 28 runs. How many runs must Kabir score in the next innings to raise the average to 32?
  2. 2.Aarav’s batting average after 9 innings is 38 runs. How many runs must Aarav score in the next innings to raise the average to 40?
  3. 3.The average weight of 12 children is 39 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Marks of 4 friends in a quiz: 32, 35, 30, 39. What is their average mark?
  5. 5.The average of 6 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  6. 6.Marks of 4 friends in a quiz: 92, 91, 88, 69. What is their average mark?
  7. 7.The average weight of 12 children is 30 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Tara’s batting average after 7 innings is 32 runs. How many runs must Tara score in the next innings to raise the average to 35?
  9. 9.The average weight of 7 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 9 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  11. 11.The average weight of 9 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Nisha’s batting average after 9 innings is 22 runs. How many runs must Nisha score in the next innings to raise the average to 23?
  13. 13.The average weight of 9 children is 39 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.A shop sells an average of 29 kg of sugar a day for 3 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.The average weight of 6 children is 30 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Aditya’s batting average after 9 innings is 22 runs. How many runs must Aditya score in the next innings to raise the average to 26?
  17. 17.The average of 7 numbers is 42. When one more number is added, the average becomes 48. What number was added?
  18. 18.Marks of 6 friends in a quiz: 56, 70, 65, 54, 61, 60. What is their average mark?
  19. 19.A shop sells an average of 23 kg of sugar a day for 2 days, and then 32 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  20. 20.Marks of 5 friends in a quiz: 37, 22, 33, 30, 33. What is their average mark?
  21. 21.The average of 4 numbers is 58. When one more number is added, the average becomes 61. What number was added?
  22. 22.The average weight of 11 children is 42 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 5 friends in a quiz: 38, 26, 38, 10, 13. What is their average mark?
  24. 24.The average of 4 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  25. 25.Kavya’s batting average after 15 innings is 20 runs. How many runs must Kavya score in the next innings to raise the average to 21?
  26. 26.The average of 4 numbers is 29. When one more number is added, the average becomes 30. What number was added?
  27. 27.Zoya’s batting average after 10 innings is 45 runs. How many runs must Zoya score in the next innings to raise the average to 48?
  28. 28.The average of 5 numbers is 23. When one more number is added, the average becomes 24. What number was added?
  29. 29.A shop sells an average of 77 kg of sugar a day for 5 days, and then 66 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  30. 30.The average weight of 11 children is 40 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 6 friends in a quiz: 61, 74, 48, 55, 69, 53. What is their average mark?
  32. 32.The average of 4 numbers is 50. When one more number is added, the average becomes 56. What number was added?
  33. 33.Marks of 5 friends in a quiz: 51, 34, 44, 25, 41. What is their average mark?
  34. 34.The average of 6 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  35. 35.The average of 5 numbers is 24. When one more number is added, the average becomes 30. What number was added?
  36. 36.A shop sells an average of 43 kg of sugar a day for 2 days, and then 61 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  37. 37.The average of 9 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  38. 38.The average of 8 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  39. 39.The average of 6 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  40. 40.The average of 9 numbers is 19. When one more number is added, the average becomes 23. What number was added?

Answer key

  1. 64
  2. 58
  3. 37
  4. 34
  5. 39
  6. 85
  7. 29
  8. 56
  9. 29
  10. 30
  11. 36
  12. 32
  13. 37
  14. 28
  15. 29
  16. 62
  17. 90
  18. 61
  19. 29
  20. 31
  21. 73
  22. 39
  23. 25
  24. 61
  25. 36
  26. 34
  27. 78
  28. 29
  29. 71
  30. 39
  31. 60
  32. 80
  33. 39
  34. 22
  35. 60
  36. 52
  37. 61
  38. 83
  39. 73
  40. 59

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