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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 655 · 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.Meera’s batting average after 8 innings is 39 runs. How many runs must Meera score in the next innings to raise the average to 42?
  2. 2.The average of 9 numbers is 57. When one more number is added, the average becomes 59. What number was added?
  3. 3.Marks of 5 friends in a quiz: 60, 60, 62, 61, 92. What is their average mark?
  4. 4.Marks of 5 friends in a quiz: 96, 94, 94, 84, 82. What is their average mark?
  5. 5.The average weight of 6 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.A shop sells an average of 29 kg of sugar a day for 5 days, and then 63 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  7. 7.Ishaan’s batting average after 14 innings is 37 runs. How many runs must Ishaan score in the next innings to raise the average to 42?
  8. 8.Marks of 5 friends in a quiz: 77, 62, 87, 82, 72. What is their average mark?
  9. 9.The average weight of 5 children is 28 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 4 numbers is 55. When one more number is added, the average becomes 57. What number was added?
  11. 11.The average weight of 9 children is 31 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 5 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  13. 13.The average weight of 5 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 5 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  15. 15.The average of 8 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  16. 16.The average of 8 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  17. 17.The average weight of 9 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 6 friends in a quiz: 9, 35, 15, 12, 15, 58. What is their average mark?
  19. 19.A shop sells an average of 50 kg of sugar a day for 6 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  20. 20.The average of 7 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  21. 21.Rohan’s batting average after 9 innings is 40 runs. How many runs must Rohan score in the next innings to raise the average to 44?
  22. 22.Marks of 4 friends in a quiz: 31, 31, 33, 81. What is their average mark?
  23. 23.Aditya’s batting average after 6 innings is 37 runs. How many runs must Aditya score in the next innings to raise the average to 40?
  24. 24.A shop sells an average of 30 kg of sugar a day for 5 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  25. 25.The average weight of 5 children is 32 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.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)?
  27. 27.Marks of 6 friends in a quiz: 68, 84, 64, 85, 78, 89. What is their average mark?
  28. 28.A shop sells an average of 27 kg of sugar a day for 2 days, and then 72 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  29. 29.The average of 9 numbers is 51. When one more number is added, the average becomes 54. What number was added?
  30. 30.Marks of 4 friends in a quiz: 15, 16, 35, 50. What is their average mark?
  31. 31.Marks of 4 friends in a quiz: 19, 14, 29, 34. What is their average mark?
  32. 32.The average weight of 12 children is 30 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 77 kg of sugar a day for 2 days, and then 73 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  34. 34.The average weight of 11 children is 42 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 6 friends in a quiz: 92, 65, 71, 92, 82, 72. What is their average mark?
  36. 36.A shop sells an average of 68 kg of sugar a day for 2 days, and then 50 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  37. 37.Marks of 4 friends in a quiz: 33, 50, 51, 14. What is their average mark?
  38. 38.Diya’s batting average after 5 innings is 44 runs. How many runs must Diya score in the next innings to raise the average to 49?
  39. 39.The average of 4 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  40. 40.A shop sells an average of 57 kg of sugar a day for 2 days, and then 61 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?

Answer key

  1. 66
  2. 77
  3. 67
  4. 90
  5. 26
  6. 46
  7. 112
  8. 76
  9. 27
  10. 65
  11. 28
  12. 21
  13. 33
  14. 47
  15. 36
  16. 92
  17. 40
  18. 24
  19. 45
  20. 55
  21. 80
  22. 44
  23. 58
  24. 40
  25. 30
  26. 44
  27. 78
  28. 54
  29. 81
  30. 29
  31. 24
  32. 27
  33. 75
  34. 39
  35. 79
  36. 59
  37. 37
  38. 74
  39. 40
  40. 59

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