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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 456 · 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.The average of 6 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  2. 2.Marks of 4 friends in a quiz: 73, 70, 90, 83. What is their average mark?
  3. 3.The average of 8 numbers is 48. When one more number is added, the average becomes 49. What number was added?
  4. 4.The average of 7 numbers is 54. When one more number is added, the average becomes 59. What number was added?
  5. 5.Priya’s batting average after 12 innings is 34 runs. How many runs must Priya score in the next innings to raise the average to 35?
  6. 6.A shop sells an average of 25 kg of sugar a day for 6 days, and then 21 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: 47, 35, 34, 29, 29, 42. What is their average mark?
  8. 8.Pooja’s batting average after 15 innings is 40 runs. How many runs must Pooja score in the next innings to raise the average to 42?
  9. 9.The average of 9 numbers is 26. When one more number is added, the average becomes 32. What number was added?
  10. 10.The average of 7 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  11. 11.Aditya’s batting average after 12 innings is 36 runs. How many runs must Aditya score in the next innings to raise the average to 37?
  12. 12.A shop sells an average of 24 kg of sugar a day for 2 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  13. 13.A shop sells an average of 35 kg of sugar a day for 6 days, and then 29 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  14. 14.A shop sells an average of 30 kg of sugar a day for 2 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  15. 15.The average of 5 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  16. 16.Marks of 4 friends in a quiz: 89, 86, 62, 67. What is their average mark?
  17. 17.Meera’s batting average after 13 innings is 46 runs. How many runs must Meera score in the next innings to raise the average to 48?
  18. 18.Marks of 5 friends in a quiz: 71, 62, 60, 79, 93. What is their average mark?
  19. 19.Marks of 6 friends in a quiz: 61, 65, 63, 58, 60, 95. What is their average mark?
  20. 20.A shop sells an average of 70 kg of sugar a day for 5 days, and then 62 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  21. 21.Marks of 6 friends in a quiz: 64, 42, 40, 56, 40, 82. What is their average mark?
  22. 22.The average of 6 numbers is 42. When one more number is added, the average becomes 47. What number was added?
  23. 23.The average weight of 6 children is 44 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 30 kg of sugar a day for 4 days, and then 23 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  25. 25.Manav’s batting average after 6 innings is 49 runs. How many runs must Manav score in the next innings to raise the average to 54?
  26. 26.Kabir’s batting average after 12 innings is 41 runs. How many runs must Kabir score in the next innings to raise the average to 42?
  27. 27.Rohan’s batting average after 10 innings is 39 runs. How many runs must Rohan score in the next innings to raise the average to 40?
  28. 28.Marks of 4 friends in a quiz: 39, 33, 40, 20. What is their average mark?
  29. 29.Marks of 5 friends in a quiz: 30, 24, 43, 37, 6. What is their average mark?
  30. 30.The average weight of 9 children is 47 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 6 friends in a quiz: 69, 61, 79, 72, 87, 76. What is their average mark?
  32. 32.The average of 8 numbers is 57. When one more number is added, the average becomes 62. What number was added?
  33. 33.Marks of 6 friends in a quiz: 22, 37, 25, 31, 49, 46. What is their average mark?
  34. 34.A shop sells an average of 36 kg of sugar a day for 2 days, and then 78 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  35. 35.The average weight of 10 children is 41 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 6 friends in a quiz: 56, 63, 60, 83, 74, 78. What is their average mark?
  37. 37.A shop sells an average of 80 kg of sugar a day for 2 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  38. 38.Arjun’s batting average after 9 innings is 33 runs. How many runs must Arjun score in the next innings to raise the average to 34?
  39. 39.Marks of 4 friends in a quiz: 12, 12, 24, 60. What is their average mark?
  40. 40.Saanvi’s batting average after 12 innings is 29 runs. How many runs must Saanvi score in the next innings to raise the average to 30?

Answer key

  1. 32
  2. 79
  3. 57
  4. 94
  5. 47
  6. 23
  7. 36
  8. 72
  9. 86
  10. 41
  11. 49
  12. 31
  13. 33
  14. 45
  15. 25
  16. 76
  17. 74
  18. 73
  19. 67
  20. 66
  21. 54
  22. 77
  23. 43
  24. 27
  25. 84
  26. 54
  27. 50
  28. 33
  29. 28
  30. 45
  31. 74
  32. 102
  33. 35
  34. 57
  35. 39
  36. 69
  37. 62
  38. 43
  39. 27
  40. 42

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