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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 580 · 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 weight of 12 children is 43 kg. One child, who weighs 76 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 12 children is 28 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Marks of 5 friends in a quiz: 92, 84, 87, 69, 63. What is their average mark?
  4. 4.Manav’s batting average after 6 innings is 28 runs. How many runs must Manav score in the next innings to raise the average to 29?
  5. 5.Marks of 6 friends in a quiz: 46, 37, 24, 39, 24, 58. What is their average mark?
  6. 6.Karan’s batting average after 8 innings is 28 runs. How many runs must Karan score in the next innings to raise the average to 30?
  7. 7.Marks of 5 friends in a quiz: 14, 13, 34, 25, 14. What is their average mark?
  8. 8.A shop sells an average of 24 kg of sugar a day for 6 days, and then 79 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  9. 9.The average of 5 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  10. 10.A shop sells an average of 39 kg of sugar a day for 3 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  11. 11.Marks of 4 friends in a quiz: 50, 77, 64, 69. What is their average mark?
  12. 12.A shop sells an average of 43 kg of sugar a day for 2 days, and then 70 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.The average weight of 12 children is 42 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average weight of 9 children is 43 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 5 friends in a quiz: 26, 53, 36, 47, 38. What is their average mark?
  16. 16.A shop sells an average of 49 kg of sugar a day for 6 days, and then 40 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.The average weight of 7 children is 26 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 9 numbers is 31. When one more number is added, the average becomes 37. What number was added?
  19. 19.The average weight of 9 children is 34 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Ishaan’s batting average after 9 innings is 49 runs. How many runs must Ishaan score in the next innings to raise the average to 50?
  21. 21.A shop sells an average of 80 kg of sugar a day for 6 days, and then 47 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  22. 22.Marks of 5 friends in a quiz: 63, 77, 54, 55, 91. What is their average mark?
  23. 23.The average of 7 numbers is 40. When one more number is added, the average becomes 43. What number was added?
  24. 24.Rahul’s batting average after 7 innings is 24 runs. How many runs must Rahul score in the next innings to raise the average to 26?
  25. 25.The average weight of 7 children is 38 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.A shop sells an average of 23 kg of sugar a day for 5 days, and then 50 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  27. 27.Marks of 4 friends in a quiz: 70, 79, 52, 63. What is their average mark?
  28. 28.The average of 4 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  29. 29.Aarav’s batting average after 14 innings is 26 runs. How many runs must Aarav score in the next innings to raise the average to 27?
  30. 30.Nisha’s batting average after 14 innings is 32 runs. How many runs must Nisha score in the next innings to raise the average to 35?
  31. 31.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 43?
  32. 32.The average weight of 10 children is 45 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 9 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  34. 34.The average of 7 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  35. 35.Marks of 4 friends in a quiz: 39, 24, 22, 59. What is their average mark?
  36. 36.Rohan’s batting average after 11 innings is 44 runs. How many runs must Rohan score in the next innings to raise the average to 48?
  37. 37.Rohan’s batting average after 15 innings is 43 runs. How many runs must Rohan score in the next innings to raise the average to 47?
  38. 38.Vivaan’s batting average after 6 innings is 44 runs. How many runs must Vivaan score in the next innings to raise the average to 49?
  39. 39.Marks of 5 friends in a quiz: 100, 94, 95, 98, 58. What is their average mark?
  40. 40.A shop sells an average of 40 kg of sugar a day for 2 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?

Answer key

  1. 40
  2. 25
  3. 79
  4. 35
  5. 38
  6. 46
  7. 20
  8. 46
  9. 65
  10. 33
  11. 65
  12. 61
  13. 39
  14. 40
  15. 40
  16. 46
  17. 25
  18. 91
  19. 32
  20. 59
  21. 69
  22. 68
  23. 64
  24. 40
  25. 37
  26. 35
  27. 66
  28. 59
  29. 41
  30. 77
  31. 88
  32. 43
  33. 73
  34. 70
  35. 36
  36. 92
  37. 107
  38. 79
  39. 89
  40. 37

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