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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 31 · 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.Sneha’s batting average after 14 innings is 30 runs. How many runs must Sneha score in the next innings to raise the average to 32?
  2. 2.A shop sells an average of 55 kg of sugar a day for 6 days, and then 31 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.Marks of 5 friends in a quiz: 38, 40, 48, 37, 47. What is their average mark?
  4. 4.The average weight of 10 children is 37 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average of 7 numbers is 16. When one more number is added, the average becomes 20. What number was added?
  6. 6.The average of 6 numbers is 35. When one more number is added, the average becomes 38. What number was added?
  7. 7.A shop sells an average of 21 kg of sugar a day for 6 days, and then 27 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  8. 8.The average weight of 7 children is 41 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 6 friends in a quiz: 46, 36, 29, 40, 50, 21. What is their average mark?
  10. 10.The average weight of 12 children is 42 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.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)?
  12. 12.Marks of 4 friends in a quiz: 33, 39, 33, 31. What is their average mark?
  13. 13.The average of 4 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  14. 14.Marks of 5 friends in a quiz: 36, 36, 41, 19, 28. What is their average mark?
  15. 15.The average weight of 5 children is 35 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 6 friends in a quiz: 81, 77, 95, 70, 81, 94. What is their average mark?
  17. 17.A shop sells an average of 51 kg of sugar a day for 5 days, and then 21 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  18. 18.Aarav’s batting average after 13 innings is 28 runs. How many runs must Aarav score in the next innings to raise the average to 32?
  19. 19.The average weight of 10 children is 28 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.A shop sells an average of 46 kg of sugar a day for 2 days, and then 58 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.The average weight of 5 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average weight of 12 children is 41 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average of 5 numbers is 46. When one more number is added, the average becomes 48. What number was added?
  24. 24.The average of 9 numbers is 45. When one more number is added, the average becomes 49. What number was added?
  25. 25.Marks of 4 friends in a quiz: 71, 56, 70, 51. What is their average mark?
  26. 26.Marks of 6 friends in a quiz: 83, 66, 84, 74, 71, 54. What is their average mark?
  27. 27.A shop sells an average of 60 kg of sugar a day for 5 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  28. 28.The average of 8 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  29. 29.Arjun’s batting average after 10 innings is 25 runs. How many runs must Arjun score in the next innings to raise the average to 28?
  30. 30.Nisha’s batting average after 7 innings is 34 runs. How many runs must Nisha score in the next innings to raise the average to 38?
  31. 31.Marks of 6 friends in a quiz: 61, 45, 48, 34, 38, 50. What is their average mark?
  32. 32.The average weight of 11 children is 26 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 6 friends in a quiz: 65, 72, 74, 76, 76, 21. What is their average mark?
  34. 34.Ananya’s batting average after 5 innings is 37 runs. How many runs must Ananya score in the next innings to raise the average to 41?
  35. 35.Marks of 6 friends in a quiz: 35, 21, 37, 25, 39, 53. What is their average mark?
  36. 36.The average weight of 8 children is 39 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.A shop sells an average of 31 kg of sugar a day for 3 days, and then 77 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.The average weight of 5 children is 27 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Kabir’s batting average after 15 innings is 24 runs. How many runs must Kabir score in the next innings to raise the average to 29?
  40. 40.Marks of 4 friends in a quiz: 10, 20, 19, 47. What is their average mark?

Answer key

  1. 60
  2. 49
  3. 42
  4. 34
  5. 48
  6. 56
  7. 24
  8. 38
  9. 37
  10. 40
  11. 29
  12. 34
  13. 27
  14. 32
  15. 34
  16. 83
  17. 36
  18. 84
  19. 27
  20. 55
  21. 26
  22. 38
  23. 58
  24. 85
  25. 62
  26. 72
  27. 45
  28. 35
  29. 58
  30. 66
  31. 46
  32. 25
  33. 64
  34. 61
  35. 35
  36. 37
  37. 54
  38. 26
  39. 104
  40. 24

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