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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 366 · 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.Ananya’s batting average after 10 innings is 36 runs. How many runs must Ananya score in the next innings to raise the average to 39?
  2. 2.The average of 8 numbers is 33. When one more number is added, the average becomes 36. What number was added?
  3. 3.The average of 6 numbers is 34. When one more number is added, the average becomes 38. What number was added?
  4. 4.The average weight of 6 children is 45 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average of 9 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  6. 6.A shop sells an average of 49 kg of sugar a day for 6 days, and then 73 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  7. 7.Marks of 6 friends in a quiz: 88, 69, 79, 68, 70, 88. What is their average mark?
  8. 8.Aditya’s batting average after 7 innings is 45 runs. How many runs must Aditya score in the next innings to raise the average to 48?
  9. 9.The average of 7 numbers is 42. When one more number is added, the average becomes 45. What number was added?
  10. 10.Marks of 5 friends in a quiz: 69, 87, 77, 72, 65. What is their average mark?
  11. 11.Aarav’s batting average after 5 innings is 44 runs. How many runs must Aarav score in the next innings to raise the average to 48?
  12. 12.A shop sells an average of 75 kg of sugar a day for 3 days, and then 25 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.Marks of 6 friends in a quiz: 58, 51, 55, 42, 54, 40. What is their average mark?
  14. 14.The average weight of 7 children is 44 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.A shop sells an average of 28 kg of sugar a day for 6 days, and then 72 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  16. 16.Marks of 4 friends in a quiz: 51, 51, 32, 14. What is their average mark?
  17. 17.Marks of 4 friends in a quiz: 71, 57, 69, 59. What is their average mark?
  18. 18.The average weight of 8 children is 31 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 6 friends in a quiz: 64, 73, 48, 68, 56, 63. What is their average mark?
  20. 20.Marks of 5 friends in a quiz: 49, 74, 71, 49, 67. What is their average mark?
  21. 21.Vivaan’s batting average after 12 innings is 24 runs. How many runs must Vivaan score in the next innings to raise the average to 27?
  22. 22.The average weight of 7 children is 46 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Diya’s batting average after 10 innings is 34 runs. How many runs must Diya score in the next innings to raise the average to 36?
  24. 24.The average of 6 numbers is 57. When one more number is added, the average becomes 58. What number was added?
  25. 25.The average weight of 8 children is 38 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 6 friends in a quiz: 62, 67, 68, 74, 57, 38. What is their average mark?
  28. 28.The average weight of 5 children is 31 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 52 kg of sugar a day for 5 days, and then 24 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  30. 30.Marks of 5 friends in a quiz: 25, 12, 17, 32, 19. What is their average mark?
  31. 31.The average of 6 numbers is 39. When one more number is added, the average becomes 44. What number was added?
  32. 32.The average of 9 numbers is 19. When one more number is added, the average becomes 21. What number was added?
  33. 33.Marks of 6 friends in a quiz: 51, 60, 50, 51, 45, 49. What is their average mark?
  34. 34.The average weight of 11 children is 43 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 4 friends in a quiz: 57, 60, 57, 74. What is their average mark?
  36. 36.A shop sells an average of 76 kg of sugar a day for 5 days, and then 54 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  37. 37.A shop sells an average of 35 kg of sugar a day for 3 days, and then 69 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.The average of 8 numbers is 19. When one more number is added, the average becomes 23. What number was added?
  39. 39.The average of 9 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  40. 40.Marks of 4 friends in a quiz: 68, 63, 71, 78. What is their average mark?

Answer key

  1. 69
  2. 60
  3. 62
  4. 44
  5. 36
  6. 61
  7. 77
  8. 69
  9. 66
  10. 74
  11. 68
  12. 50
  13. 50
  14. 41
  15. 48
  16. 37
  17. 64
  18. 28
  19. 62
  20. 62
  21. 63
  22. 45
  23. 56
  24. 64
  25. 37
  26. 27
  27. 61
  28. 30
  29. 38
  30. 21
  31. 74
  32. 39
  33. 51
  34. 42
  35. 62
  36. 65
  37. 52
  38. 55
  39. 34
  40. 70

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