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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 742 · 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 10 children is 36 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Kabir’s batting average after 15 innings is 41 runs. How many runs must Kabir score in the next innings to raise the average to 42?
  3. 3.A shop sells an average of 62 kg of sugar a day for 3 days, and then 34 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.The average of 7 numbers is 38. When one more number is added, the average becomes 41. What number was added?
  5. 5.The average of 7 numbers is 24. When one more number is added, the average becomes 29. What number was added?
  6. 6.Marks of 5 friends in a quiz: 58, 65, 47, 55, 65. What is their average mark?
  7. 7.Marks of 4 friends in a quiz: 54, 48, 47, 59. What is their average mark?
  8. 8.A shop sells an average of 56 kg of sugar a day for 6 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  9. 9.A shop sells an average of 23 kg of sugar a day for 2 days, and then 77 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  10. 10.The average weight of 6 children is 28 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 4 numbers is 48. When one more number is added, the average becomes 53. What number was added?
  12. 12.Zoya’s batting average after 6 innings is 34 runs. How many runs must Zoya score in the next innings to raise the average to 39?
  13. 13.Priya’s batting average after 15 innings is 31 runs. How many runs must Priya score in the next innings to raise the average to 34?
  14. 14.The average of 6 numbers is 31. When one more number is added, the average becomes 37. What number was added?
  15. 15.The average weight of 11 children is 44 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 4 numbers is 21. When one more number is added, the average becomes 26. What number was added?
  17. 17.The average of 4 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  18. 18.The average weight of 8 children is 28 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Nisha’s batting average after 14 innings is 48 runs. How many runs must Nisha score in the next innings to raise the average to 52?
  20. 20.Sneha’s batting average after 5 innings is 24 runs. How many runs must Sneha score in the next innings to raise the average to 29?
  21. 21.Arjun’s batting average after 11 innings is 49 runs. How many runs must Arjun score in the next innings to raise the average to 54?
  22. 22.A shop sells an average of 32 kg of sugar a day for 6 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  23. 23.A shop sells an average of 38 kg of sugar a day for 4 days, and then 28 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  24. 24.Farhan’s batting average after 5 innings is 32 runs. How many runs must Farhan score in the next innings to raise the average to 36?
  25. 25.Marks of 5 friends in a quiz: 44, 28, 48, 34, 26. What is their average mark?
  26. 26.Marks of 4 friends in a quiz: 57, 52, 54, 57. What is their average mark?
  27. 27.Diya’s batting average after 6 innings is 40 runs. How many runs must Diya score in the next innings to raise the average to 43?
  28. 28.Vivaan’s batting average after 15 innings is 49 runs. How many runs must Vivaan score in the next innings to raise the average to 50?
  29. 29.Marks of 5 friends in a quiz: 97, 82, 79, 94, 68. What is their average mark?
  30. 30.Marks of 6 friends in a quiz: 97, 83, 97, 97, 95, 47. What is their average mark?
  31. 31.Marks of 5 friends in a quiz: 49, 54, 55, 31, 21. What is their average mark?
  32. 32.A shop sells an average of 55 kg of sugar a day for 4 days, and then 65 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  33. 33.Marks of 6 friends in a quiz: 45, 44, 57, 36, 34, 42. What is their average mark?
  34. 34.The average weight of 12 children is 26 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Karan’s batting average after 6 innings is 26 runs. How many runs must Karan score in the next innings to raise the average to 31?
  36. 36.The average of 6 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  37. 37.Kabir’s batting average after 14 innings is 26 runs. How many runs must Kabir score in the next innings to raise the average to 30?
  38. 38.The average of 5 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  39. 39.Marks of 6 friends in a quiz: 30, 35, 48, 56, 34, 67. What is their average mark?
  40. 40.Marks of 6 friends in a quiz: 69, 92, 75, 74, 82, 94. What is their average mark?

Answer key

  1. 33
  2. 57
  3. 48
  4. 62
  5. 64
  6. 58
  7. 52
  8. 52
  9. 50
  10. 27
  11. 73
  12. 69
  13. 79
  14. 73
  15. 41
  16. 46
  17. 67
  18. 27
  19. 108
  20. 54
  21. 109
  22. 34
  23. 32
  24. 56
  25. 36
  26. 55
  27. 61
  28. 65
  29. 84
  30. 86
  31. 42
  32. 60
  33. 43
  34. 25
  35. 61
  36. 45
  37. 86
  38. 60
  39. 45
  40. 81

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