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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 324 · 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 6 friends in a quiz: 53, 30, 45, 38, 40, 40. What is their average mark?
  2. 2.A shop sells an average of 31 kg of sugar a day for 2 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.Marks of 6 friends in a quiz: 64, 72, 66, 81, 76, 67. What is their average mark?
  4. 4.Priya’s batting average after 11 innings is 20 runs. How many runs must Priya score in the next innings to raise the average to 22?
  5. 5.The average of 4 numbers is 38. When one more number is added, the average becomes 40. What number was added?
  6. 6.Diya’s batting average after 11 innings is 34 runs. How many runs must Diya score in the next innings to raise the average to 36?
  7. 7.The average of 6 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  8. 8.Saanvi’s batting average after 9 innings is 40 runs. How many runs must Saanvi score in the next innings to raise the average to 42?
  9. 9.The average of 7 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  10. 10.Nisha’s batting average after 6 innings is 48 runs. How many runs must Nisha score in the next innings to raise the average to 51?
  11. 11.The average of 8 numbers is 34. When one more number is added, the average becomes 36. What number was added?
  12. 12.The average weight of 6 children is 36 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Zoya’s batting average after 8 innings is 26 runs. How many runs must Zoya score in the next innings to raise the average to 28?
  14. 14.Marks of 4 friends in a quiz: 56, 49, 44, 83. What is their average mark?
  15. 15.The average of 9 numbers is 45. When one more number is added, the average becomes 46. What number was added?
  16. 16.Marks of 4 friends in a quiz: 34, 22, 21, 19. What is their average mark?
  17. 17.The average of 8 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  18. 18.A shop sells an average of 43 kg of sugar a day for 4 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  19. 19.A shop sells an average of 68 kg of sugar a day for 2 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  20. 20.Saanvi’s batting average after 5 innings is 26 runs. How many runs must Saanvi score in the next innings to raise the average to 27?
  21. 21.Marks of 4 friends in a quiz: 14, 8, 36, 26. What is their average mark?
  22. 22.The average weight of 8 children is 47 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 6 children is 46 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Sneha’s batting average after 13 innings is 50 runs. How many runs must Sneha score in the next innings to raise the average to 51?
  25. 25.The average of 9 numbers is 35. When one more number is added, the average becomes 41. What number was added?
  26. 26.Marks of 5 friends in a quiz: 27, 25, 31, 43, 24. What is their average mark?
  27. 27.Diya’s batting average after 12 innings is 49 runs. How many runs must Diya score in the next innings to raise the average to 51?
  28. 28.A shop sells an average of 62 kg of sugar a day for 5 days, and then 70 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  29. 29.Marks of 4 friends in a quiz: 77, 67, 78, 86. What is their average mark?
  30. 30.The average of 4 numbers is 48. When one more number is added, the average becomes 51. What number was added?
  31. 31.The average weight of 6 children is 29 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 5 children is 26 kg. One child, who weighs 30 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 5 friends in a quiz: 59, 38, 60, 55, 23. What is their average mark?
  34. 34.The average weight of 5 children is 45 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 6 friends in a quiz: 46, 35, 35, 22, 25, 53. What is their average mark?
  36. 36.The average of 8 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  37. 37.The average of 5 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  38. 38.A shop sells an average of 37 kg of sugar a day for 5 days, and then 67 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  39. 39.Marks of 4 friends in a quiz: 71, 75, 58, 68. What is their average mark?
  40. 40.Aarav’s batting average after 11 innings is 37 runs. How many runs must Aarav score in the next innings to raise the average to 39?

Answer key

  1. 41
  2. 61
  3. 71
  4. 44
  5. 48
  6. 58
  7. 65
  8. 60
  9. 60
  10. 69
  11. 52
  12. 33
  13. 44
  14. 58
  15. 55
  16. 24
  17. 60
  18. 36
  19. 44
  20. 32
  21. 21
  22. 44
  23. 45
  24. 64
  25. 95
  26. 30
  27. 75
  28. 66
  29. 77
  30. 63
  31. 28
  32. 25
  33. 47
  34. 42
  35. 36
  36. 82
  37. 23
  38. 52
  39. 68
  40. 61

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