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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 280 · 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.A shop sells an average of 43 kg of sugar a day for 3 days, and then 22 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  2. 2.Pooja’s batting average after 11 innings is 25 runs. How many runs must Pooja score in the next innings to raise the average to 30?
  3. 3.The average weight of 8 children is 36 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.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)?
  5. 5.Kabir’s batting average after 15 innings is 44 runs. How many runs must Kabir score in the next innings to raise the average to 48?
  6. 6.Marks of 4 friends in a quiz: 64, 69, 71, 64. What is their average mark?
  7. 7.The average weight of 12 children is 46 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 8 children is 43 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 9 numbers is 19. When one more number is added, the average becomes 24. What number was added?
  10. 10.Marks of 6 friends in a quiz: 32, 28, 55, 48, 31, 46. What is their average mark?
  11. 11.A shop sells an average of 80 kg of sugar a day for 2 days, and then 68 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  12. 12.A shop sells an average of 65 kg of sugar a day for 4 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.Vivaan’s batting average after 11 innings is 35 runs. How many runs must Vivaan score in the next innings to raise the average to 38?
  14. 14.Marks of 5 friends in a quiz: 57, 70, 72, 44, 42. What is their average mark?
  15. 15.Marks of 5 friends in a quiz: 28, 39, 41, 22, 55. What is their average mark?
  16. 16.Marks of 4 friends in a quiz: 58, 43, 58, 61. What is their average mark?
  17. 17.Ananya’s batting average after 15 innings is 36 runs. How many runs must Ananya score in the next innings to raise the average to 39?
  18. 18.Marks of 5 friends in a quiz: 78, 81, 99, 101, 86. What is their average mark?
  19. 19.The average of 5 numbers is 33. When one more number is added, the average becomes 37. What number was added?
  20. 20.The average of 7 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  21. 21.Saanvi’s batting average after 14 innings is 20 runs. How many runs must Saanvi score in the next innings to raise the average to 22?
  22. 22.Marks of 5 friends in a quiz: 41, 24, 27, 42, 36. What is their average mark?
  23. 23.The average of 9 numbers is 28. When one more number is added, the average becomes 30. What number was added?
  24. 24.The average weight of 6 children is 46 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 7 numbers is 58. When one more number is added, the average becomes 63. What number was added?
  26. 26.The average of 4 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  27. 27.The average of 8 numbers is 48. When one more number is added, the average becomes 54. What number was added?
  28. 28.Arjun’s batting average after 7 innings is 36 runs. How many runs must Arjun score in the next innings to raise the average to 37?
  29. 29.The average of 6 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  30. 30.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)?
  31. 31.A shop sells an average of 37 kg of sugar a day for 5 days, and then 70 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  32. 32.Marks of 5 friends in a quiz: 21, 42, 20, 19, 68. What is their average mark?
  33. 33.Marks of 5 friends in a quiz: 61, 49, 63, 53, 39. What is their average mark?
  34. 34.Aarav’s batting average after 14 innings is 21 runs. How many runs must Aarav score in the next innings to raise the average to 24?
  35. 35.A shop sells an average of 40 kg of sugar a day for 2 days, and then 58 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.A shop sells an average of 29 kg of sugar a day for 3 days, and then 26 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  37. 37.The average weight of 5 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 5 friends in a quiz: 63, 59, 40, 60, 38. What is their average mark?
  39. 39.Marks of 4 friends in a quiz: 38, 58, 58, 26. What is their average mark?
  40. 40.Arjun’s batting average after 6 innings is 35 runs. How many runs must Arjun score in the next innings to raise the average to 37?

Answer key

  1. 29
  2. 85
  3. 33
  4. 34
  5. 108
  6. 67
  7. 45
  8. 41
  9. 69
  10. 40
  11. 72
  12. 57
  13. 71
  14. 57
  15. 37
  16. 55
  17. 84
  18. 89
  19. 57
  20. 45
  21. 50
  22. 34
  23. 48
  24. 45
  25. 98
  26. 32
  27. 102
  28. 44
  29. 43
  30. 27
  31. 55
  32. 34
  33. 53
  34. 66
  35. 52
  36. 27
  37. 25
  38. 52
  39. 45
  40. 49

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