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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 646 · 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 5 children is 31 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Vivaan’s batting average after 6 innings is 25 runs. How many runs must Vivaan score in the next innings to raise the average to 26?
  3. 3.Marks of 5 friends in a quiz: 30, 30, 33, 12, 30. What is their average mark?
  4. 4.Marks of 4 friends in a quiz: 39, 21, 12, 32. What is their average mark?
  5. 5.The average weight of 6 children is 28 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 5 children is 40 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 8 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  8. 8.Marks of 4 friends in a quiz: 45, 55, 56, 60. What is their average mark?
  9. 9.Marks of 6 friends in a quiz: 48, 40, 29, 48, 45, 48. What is their average mark?
  10. 10.A shop sells an average of 20 kg of sugar a day for 4 days, and then 58 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.Meera’s batting average after 9 innings is 28 runs. How many runs must Meera score in the next innings to raise the average to 32?
  12. 12.Marks of 4 friends in a quiz: 78, 96, 97, 73. What is their average mark?
  13. 13.Aarav’s batting average after 12 innings is 35 runs. How many runs must Aarav score in the next innings to raise the average to 36?
  14. 14.Marks of 6 friends in a quiz: 43, 44, 37, 17, 32, 19. What is their average mark?
  15. 15.Isha’s batting average after 6 innings is 20 runs. How many runs must Isha score in the next innings to raise the average to 21?
  16. 16.Karan’s batting average after 5 innings is 23 runs. How many runs must Karan score in the next innings to raise the average to 28?
  17. 17.Zoya’s batting average after 8 innings is 26 runs. How many runs must Zoya score in the next innings to raise the average to 28?
  18. 18.The average of 4 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  19. 19.Marks of 5 friends in a quiz: 44, 54, 58, 46, 48. What is their average mark?
  20. 20.Marks of 4 friends in a quiz: 33, 45, 25, 49. What is their average mark?
  21. 21.The average weight of 9 children is 31 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.A shop sells an average of 54 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)?
  23. 23.Farhan’s batting average after 5 innings is 33 runs. How many runs must Farhan score in the next innings to raise the average to 35?
  24. 24.Zoya’s batting average after 5 innings is 38 runs. How many runs must Zoya score in the next innings to raise the average to 40?
  25. 25.A shop sells an average of 27 kg of sugar a day for 2 days, and then 22 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  26. 26.The average weight of 8 children is 29 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average of 5 numbers is 58. When one more number is added, the average becomes 62. What number was added?
  28. 28.Marks of 5 friends in a quiz: 58, 67, 86, 74, 70. What is their average mark?
  29. 29.A shop sells an average of 77 kg of sugar a day for 5 days, and then 43 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  30. 30.Arjun’s batting average after 7 innings is 27 runs. How many runs must Arjun score in the next innings to raise the average to 28?
  31. 31.The average weight of 11 children is 42 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 12 children is 39 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 9 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  34. 34.The average of 6 numbers is 58. When one more number is added, the average becomes 61. What number was added?
  35. 35.The average of 6 numbers is 45. When one more number is added, the average becomes 49. What number was added?
  36. 36.The average weight of 5 children is 28 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Ananya’s batting average after 9 innings is 48 runs. How many runs must Ananya score in the next innings to raise the average to 51?
  38. 38.Kabir’s batting average after 12 innings is 37 runs. How many runs must Kabir score in the next innings to raise the average to 41?
  39. 39.The average weight of 7 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 4 friends in a quiz: 51, 54, 47, 80. What is their average mark?

Answer key

  1. 30
  2. 32
  3. 27
  4. 26
  5. 25
  6. 39
  7. 89
  8. 54
  9. 43
  10. 39
  11. 68
  12. 86
  13. 48
  14. 32
  15. 27
  16. 53
  17. 44
  18. 27
  19. 50
  20. 38
  21. 29
  22. 58
  23. 45
  24. 50
  25. 24
  26. 28
  27. 82
  28. 71
  29. 60
  30. 35
  31. 40
  32. 38
  33. 89
  34. 79
  35. 73
  36. 25
  37. 78
  38. 89
  39. 29
  40. 58

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