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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 194 · 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 80 kg of sugar a day for 5 days, and then 52 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  2. 2.The average of 9 numbers is 49. When one more number is added, the average becomes 50. What number was added?
  3. 3.A shop sells an average of 64 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)?
  4. 4.The average weight of 7 children is 41 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average weight of 12 children is 32 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Priya’s batting average after 11 innings is 26 runs. How many runs must Priya score in the next innings to raise the average to 31?
  7. 7.Marks of 5 friends in a quiz: 88, 76, 95, 98, 93. What is their average mark?
  8. 8.The average of 8 numbers is 24. When one more number is added, the average becomes 29. What number was added?
  9. 9.A shop sells an average of 63 kg of sugar a day for 4 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  10. 10.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)?
  11. 11.Marks of 5 friends in a quiz: 34, 43, 40, 45, 83. What is their average mark?
  12. 12.Marks of 5 friends in a quiz: 81, 63, 53, 65, 73. What is their average mark?
  13. 13.The average weight of 11 children is 29 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 5 friends in a quiz: 36, 18, 19, 39, 8. What is their average mark?
  15. 15.Marks of 4 friends in a quiz: 88, 93, 69, 82. What is their average mark?
  16. 16.The average of 7 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  17. 17.The average of 5 numbers is 35. When one more number is added, the average becomes 39. What number was added?
  18. 18.Marks of 6 friends in a quiz: 98, 85, 70, 74, 84, 87. What is their average mark?
  19. 19.The average of 4 numbers is 58. When one more number is added, the average becomes 62. What number was added?
  20. 20.The average of 8 numbers is 19. When one more number is added, the average becomes 25. What number was added?
  21. 21.The average weight of 5 children is 33 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 4 friends in a quiz: 25, 39, 33, 11. What is their average mark?
  23. 23.Marks of 5 friends in a quiz: 83, 86, 89, 83, 79. What is their average mark?
  24. 24.A shop sells an average of 79 kg of sugar a day for 3 days, and then 59 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.Marks of 4 friends in a quiz: 54, 33, 40, 57. What is their average mark?
  26. 26.Aarav’s batting average after 12 innings is 45 runs. How many runs must Aarav score in the next innings to raise the average to 50?
  27. 27.Marks of 5 friends in a quiz: 59, 55, 55, 59, 92. What is their average mark?
  28. 28.The average of 6 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  29. 29.Marks of 4 friends in a quiz: 69, 58, 60, 89. What is their average mark?
  30. 30.Marks of 6 friends in a quiz: 63, 61, 47, 62, 47, 20. What is their average mark?
  31. 31.A shop sells an average of 39 kg of sugar a day for 4 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  32. 32.Sneha’s batting average after 5 innings is 24 runs. How many runs must Sneha score in the next innings to raise the average to 28?
  33. 33.Marks of 4 friends in a quiz: 101, 102, 94, 51. What is their average mark?
  34. 34.Kavya’s batting average after 7 innings is 44 runs. How many runs must Kavya score in the next innings to raise the average to 46?
  35. 35.Aditya’s batting average after 11 innings is 39 runs. How many runs must Aditya score in the next innings to raise the average to 43?
  36. 36.Marks of 6 friends in a quiz: 35, 28, 22, 38, 19, 50. What is their average mark?
  37. 37.A shop sells an average of 68 kg of sugar a day for 2 days, and then 64 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  38. 38.The average of 4 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  39. 39.Marks of 4 friends in a quiz: 78, 59, 53, 62. What is their average mark?
  40. 40.Marks of 6 friends in a quiz: 79, 63, 79, 73, 56, 46. What is their average mark?

Answer key

  1. 66
  2. 59
  3. 53
  4. 39
  5. 31
  6. 86
  7. 90
  8. 69
  9. 52
  10. 25
  11. 49
  12. 67
  13. 27
  14. 24
  15. 83
  16. 55
  17. 59
  18. 83
  19. 78
  20. 73
  21. 31
  22. 27
  23. 84
  24. 69
  25. 46
  26. 110
  27. 64
  28. 53
  29. 69
  30. 50
  31. 38
  32. 48
  33. 87
  34. 60
  35. 87
  36. 32
  37. 66
  38. 55
  39. 63
  40. 66

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