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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 629 · 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.Marks of 4 friends in a quiz: 42, 38, 36, 68. What is their average mark?
  2. 2.Saanvi’s batting average after 8 innings is 47 runs. How many runs must Saanvi score in the next innings to raise the average to 48?
  3. 3.A shop sells an average of 51 kg of sugar a day for 5 days, and then 57 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  4. 4.The average of 5 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  5. 5.The average of 9 numbers is 38. When one more number is added, the average becomes 41. What number was added?
  6. 6.Marks of 5 friends in a quiz: 68, 42, 46, 56, 58. What is their average mark?
  7. 7.Kabir’s batting average after 6 innings is 39 runs. How many runs must Kabir score in the next innings to raise the average to 40?
  8. 8.A shop sells an average of 24 kg of sugar a day for 4 days, and then 69 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  9. 9.The average weight of 5 children is 32 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 5 friends in a quiz: 79, 62, 81, 77, 66. What is their average mark?
  11. 11.The average weight of 6 children is 38 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Karan’s batting average after 6 innings is 27 runs. How many runs must Karan score in the next innings to raise the average to 29?
  13. 13.The average weight of 7 children is 37 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.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)?
  15. 15.The average of 9 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  16. 16.Marks of 4 friends in a quiz: 52, 81, 82, 53. What is their average mark?
  17. 17.A shop sells an average of 24 kg of sugar a day for 3 days, and then 32 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  18. 18.The average weight of 8 children is 35 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Diya’s batting average after 14 innings is 48 runs. How many runs must Diya score in the next innings to raise the average to 52?
  20. 20.The average of 4 numbers is 39. When one more number is added, the average becomes 44. What number was added?
  21. 21.The average of 6 numbers is 16. When one more number is added, the average becomes 20. What number was added?
  22. 22.Farhan’s batting average after 12 innings is 28 runs. How many runs must Farhan score in the next innings to raise the average to 32?
  23. 23.The average of 5 numbers is 36. When one more number is added, the average becomes 39. What number was added?
  24. 24.Ananya’s batting average after 6 innings is 29 runs. How many runs must Ananya score in the next innings to raise the average to 34?
  25. 25.Arjun’s batting average after 13 innings is 34 runs. How many runs must Arjun score in the next innings to raise the average to 36?
  26. 26.The average weight of 12 children is 28 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 6 friends in a quiz: 54, 58, 55, 72, 71, 32. What is their average mark?
  28. 28.A shop sells an average of 71 kg of sugar a day for 5 days, and then 35 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  29. 29.Marks of 6 friends in a quiz: 88, 75, 102, 99, 82, 94. What is their average mark?
  30. 30.Saanvi’s batting average after 14 innings is 27 runs. How many runs must Saanvi score in the next innings to raise the average to 28?
  31. 31.Zoya’s batting average after 5 innings is 47 runs. How many runs must Zoya score in the next innings to raise the average to 51?
  32. 32.A shop sells an average of 35 kg of sugar a day for 3 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.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)?
  34. 34.The average weight of 5 children is 36 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 4 numbers is 58. When one more number is added, the average becomes 62. What number was added?
  36. 36.Marks of 6 friends in a quiz: 54, 38, 50, 56, 61, 29. What is their average mark?
  37. 37.Tara’s batting average after 5 innings is 33 runs. How many runs must Tara score in the next innings to raise the average to 37?
  38. 38.Kabir’s batting average after 7 innings is 50 runs. How many runs must Kabir score in the next innings to raise the average to 55?
  39. 39.Aarav’s batting average after 9 innings is 23 runs. How many runs must Aarav score in the next innings to raise the average to 25?
  40. 40.Marks of 6 friends in a quiz: 44, 63, 49, 47, 64, 39. What is their average mark?

Answer key

  1. 46
  2. 56
  3. 54
  4. 23
  5. 68
  6. 54
  7. 46
  8. 51
  9. 29
  10. 73
  11. 37
  12. 41
  13. 34
  14. 41
  15. 65
  16. 67
  17. 29
  18. 32
  19. 108
  20. 64
  21. 44
  22. 80
  23. 54
  24. 64
  25. 62
  26. 26
  27. 57
  28. 53
  29. 90
  30. 42
  31. 71
  32. 39
  33. 30
  34. 34
  35. 78
  36. 48
  37. 57
  38. 90
  39. 43
  40. 51

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