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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 67 · 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.A shop sells an average of 44 kg of sugar a day for 5 days, and then 64 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  2. 2.Kavya’s batting average after 11 innings is 32 runs. How many runs must Kavya score in the next innings to raise the average to 33?
  3. 3.The average of 6 numbers is 43. When one more number is added, the average becomes 47. What number was added?
  4. 4.Marks of 4 friends in a quiz: 65, 56, 50, 69. What is their average mark?
  5. 5.The average of 7 numbers is 16. When one more number is added, the average becomes 20. What number was added?
  6. 6.A shop sells an average of 79 kg of sugar a day for 6 days, and then 69 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  7. 7.Marks of 5 friends in a quiz: 27, 47, 49, 25, 32. What is their average mark?
  8. 8.The average of 6 numbers is 15. When one more number is added, the average becomes 18. What number was added?
  9. 9.Marks of 6 friends in a quiz: 98, 83, 75, 75, 88, 79. What is their average mark?
  10. 10.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)?
  11. 11.Marks of 5 friends in a quiz: 28, 39, 40, 48, 60. What is their average mark?
  12. 12.A shop sells an average of 80 kg of sugar a day for 4 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.The average weight of 11 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 5 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  15. 15.The average weight of 7 children is 26 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 4 numbers is 48. When one more number is added, the average becomes 49. What number was added?
  17. 17.The average of 4 numbers is 23. When one more number is added, the average becomes 26. What number was added?
  18. 18.Marks of 5 friends in a quiz: 20, 6, 26, 33, 20. What is their average mark?
  19. 19.Marks of 5 friends in a quiz: 91, 87, 82, 81, 84. What is their average mark?
  20. 20.Marks of 6 friends in a quiz: 37, 28, 23, 20, 14, 16. What is their average mark?
  21. 21.The average of 5 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  22. 22.The average of 4 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  23. 23.Ishaan’s batting average after 9 innings is 47 runs. How many runs must Ishaan score in the next innings to raise the average to 52?
  24. 24.Marks of 6 friends in a quiz: 67, 49, 69, 64, 62, 61. What is their average mark?
  25. 25.The average of 8 numbers is 16. When one more number is added, the average becomes 19. What number was added?
  26. 26.The average weight of 6 children is 30 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 12 children is 31 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Ishaan’s batting average after 13 innings is 33 runs. How many runs must Ishaan score in the next innings to raise the average to 35?
  29. 29.The average weight of 5 children is 37 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.A shop sells an average of 25 kg of sugar a day for 4 days, and then 34 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  31. 31.Farhan’s batting average after 10 innings is 35 runs. How many runs must Farhan score in the next innings to raise the average to 38?
  32. 32.Marks of 5 friends in a quiz: 25, 42, 32, 34, 52. What is their average mark?
  33. 33.The average of 7 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  34. 34.A shop sells an average of 44 kg of sugar a day for 3 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  35. 35.The average weight of 8 children is 43 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 4 friends in a quiz: 48, 73, 73, 38. What is their average mark?
  37. 37.The average weight of 6 children is 40 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 5 children is 28 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 43 kg of sugar a day for 6 days, and then 69 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  40. 40.Kabir’s batting average after 5 innings is 22 runs. How many runs must Kabir score in the next innings to raise the average to 23?

Answer key

  1. 54
  2. 44
  3. 71
  4. 60
  5. 48
  6. 75
  7. 36
  8. 36
  9. 83
  10. 36
  11. 43
  12. 65
  13. 37
  14. 36
  15. 25
  16. 53
  17. 38
  18. 21
  19. 85
  20. 23
  21. 39
  22. 63
  23. 97
  24. 62
  25. 43
  26. 27
  27. 30
  28. 61
  29. 36
  30. 30
  31. 68
  32. 37
  33. 32
  34. 54
  35. 42
  36. 58
  37. 37
  38. 25
  39. 56
  40. 28

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