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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 100 · 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 30 kg of sugar a day for 6 days, and then 63 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  2. 2.Sneha’s batting average after 8 innings is 44 runs. How many runs must Sneha score in the next innings to raise the average to 46?
  3. 3.The average of 6 numbers is 44. When one more number is added, the average becomes 50. What number was added?
  4. 4.Rohan’s batting average after 15 innings is 47 runs. How many runs must Rohan score in the next innings to raise the average to 50?
  5. 5.Marks of 6 friends in a quiz: 75, 92, 74, 80, 79, 68. What is their average mark?
  6. 6.The average of 9 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  7. 7.Marks of 6 friends in a quiz: 55, 46, 38, 31, 37, 69. What is their average mark?
  8. 8.Marks of 5 friends in a quiz: 79, 77, 57, 84, 58. What is their average mark?
  9. 9.Marks of 5 friends in a quiz: 75, 62, 66, 71, 91. What is their average mark?
  10. 10.Marks of 4 friends in a quiz: 27, 43, 32, 38. What is their average mark?
  11. 11.Marks of 6 friends in a quiz: 42, 39, 44, 48, 42, 79. What is their average mark?
  12. 12.The average of 5 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  13. 13.The average of 6 numbers is 31. When one more number is added, the average becomes 32. What number was added?
  14. 14.Marks of 5 friends in a quiz: 42, 22, 44, 23, 54. What is their average mark?
  15. 15.Marks of 5 friends in a quiz: 46, 75, 62, 54, 63. What is their average mark?
  16. 16.The average weight of 7 children is 39 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Aditya’s batting average after 7 innings is 48 runs. How many runs must Aditya score in the next innings to raise the average to 51?
  18. 18.A shop sells an average of 21 kg of sugar a day for 2 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  19. 19.Marks of 5 friends in a quiz: 85, 69, 56, 59, 81. What is their average mark?
  20. 20.The average weight of 7 children is 31 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 6 friends in a quiz: 102, 90, 96, 78, 95, 79. What is their average mark?
  22. 22.Marks of 5 friends in a quiz: 70, 65, 66, 77, 97. What is their average mark?
  23. 23.A shop sells an average of 31 kg of sugar a day for 3 days, and then 75 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  24. 24.Marks of 5 friends in a quiz: 25, 26, 39, 28, 62. What is their average mark?
  25. 25.Marks of 6 friends in a quiz: 28, 21, 32, 17, 17, 23. What is their average mark?
  26. 26.Marks of 4 friends in a quiz: 84, 95, 69, 80. What is their average mark?
  27. 27.The average of 5 numbers is 20. When one more number is added, the average becomes 25. What number was added?
  28. 28.The average weight of 5 children is 29 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 5 friends in a quiz: 58, 52, 52, 60, 33. What is their average mark?
  30. 30.Marks of 4 friends in a quiz: 53, 48, 71, 76. What is their average mark?
  31. 31.Diya’s batting average after 7 innings is 23 runs. How many runs must Diya score in the next innings to raise the average to 24?
  32. 32.The average of 4 numbers is 23. When one more number is added, the average becomes 26. What number was added?
  33. 33.Marks of 4 friends in a quiz: 89, 73, 95, 91. What is their average mark?
  34. 34.A shop sells an average of 60 kg of sugar a day for 6 days, and then 45 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  35. 35.The average weight of 11 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 68 kg of sugar a day for 6 days, and then 46 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  37. 37.The average of 9 numbers is 31. When one more number is added, the average becomes 32. What number was added?
  38. 38.A shop sells an average of 50 kg of sugar a day for 2 days, and then 56 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  39. 39.The average weight of 8 children is 30 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 5 friends in a quiz: 18, 25, 31, 31, 40. What is their average mark?

Answer key

  1. 41
  2. 62
  3. 86
  4. 95
  5. 78
  6. 46
  7. 46
  8. 71
  9. 73
  10. 35
  11. 49
  12. 44
  13. 38
  14. 37
  15. 60
  16. 36
  17. 72
  18. 43
  19. 70
  20. 28
  21. 90
  22. 75
  23. 53
  24. 36
  25. 23
  26. 82
  27. 50
  28. 26
  29. 51
  30. 62
  31. 31
  32. 38
  33. 87
  34. 54
  35. 31
  36. 57
  37. 41
  38. 54
  39. 28
  40. 29

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