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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 368 · 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.Diya’s batting average after 13 innings is 20 runs. How many runs must Diya score in the next innings to raise the average to 25?
  2. 2.A shop sells an average of 75 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)?
  3. 3.The average weight of 7 children is 35 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Marks of 6 friends in a quiz: 52, 48, 48, 61, 62, 77. What is their average mark?
  5. 5.The average of 6 numbers is 47. When one more number is added, the average becomes 52. What number was added?
  6. 6.The average of 4 numbers is 56. When one more number is added, the average becomes 58. What number was added?
  7. 7.The average of 4 numbers is 16. When one more number is added, the average becomes 20. What number was added?
  8. 8.Marks of 6 friends in a quiz: 57, 57, 70, 75, 79, 82. What is their average mark?
  9. 9.Meera’s batting average after 9 innings is 33 runs. How many runs must Meera score in the next innings to raise the average to 36?
  10. 10.The average weight of 6 children is 31 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 5 friends in a quiz: 50, 35, 43, 41, 21. What is their average mark?
  12. 12.The average weight of 11 children is 43 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average weight of 5 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Arjun’s batting average after 15 innings is 30 runs. How many runs must Arjun score in the next innings to raise the average to 34?
  15. 15.Rahul’s batting average after 15 innings is 31 runs. How many runs must Rahul score in the next innings to raise the average to 35?
  16. 16.The average weight of 10 children is 33 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 5 friends in a quiz: 79, 85, 85, 81, 50. What is their average mark?
  18. 18.The average of 7 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  19. 19.A shop sells an average of 41 kg of sugar a day for 3 days, and then 59 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  20. 20.Marks of 6 friends in a quiz: 29, 37, 25, 33, 40, 22. What is their average mark?
  21. 21.Marks of 6 friends in a quiz: 76, 92, 102, 104, 96, 70. What is their average mark?
  22. 22.A shop sells an average of 44 kg of sugar a day for 4 days, and then 78 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  23. 23.Kavya’s batting average after 13 innings is 40 runs. How many runs must Kavya score in the next innings to raise the average to 42?
  24. 24.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)?
  25. 25.A shop sells an average of 32 kg of sugar a day for 6 days, and then 77 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  26. 26.A shop sells an average of 20 kg of sugar a day for 2 days, and then 70 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  27. 27.The average of 4 numbers is 56. When one more number is added, the average becomes 61. What number was added?
  28. 28.A shop sells an average of 33 kg of sugar a day for 4 days, and then 38 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  29. 29.A shop sells an average of 22 kg of sugar a day for 2 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  30. 30.Sneha’s batting average after 5 innings is 26 runs. How many runs must Sneha score in the next innings to raise the average to 31?
  31. 31.Marks of 5 friends in a quiz: 76, 90, 103, 103, 78. What is their average mark?
  32. 32.The average weight of 10 children is 43 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 29 kg of sugar a day for 2 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  34. 34.A shop sells an average of 70 kg of sugar a day for 2 days, and then 80 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  35. 35.Marks of 6 friends in a quiz: 29, 23, 31, 30, 35, 38. What is their average mark?
  36. 36.The average of 5 numbers is 42. When one more number is added, the average becomes 44. What number was added?
  37. 37.The average of 9 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  38. 38.Marks of 4 friends in a quiz: 42, 25, 21, 48. What is their average mark?
  39. 39.The average of 4 numbers is 48. When one more number is added, the average becomes 53. What number was added?
  40. 40.Aditya’s batting average after 5 innings is 46 runs. How many runs must Aditya score in the next innings to raise the average to 50?

Answer key

  1. 90
  2. 59
  3. 32
  4. 58
  5. 82
  6. 66
  7. 36
  8. 70
  9. 63
  10. 28
  11. 38
  12. 41
  13. 28
  14. 94
  15. 95
  16. 32
  17. 76
  18. 32
  19. 53
  20. 31
  21. 90
  22. 61
  23. 68
  24. 27
  25. 50
  26. 45
  27. 81
  28. 36
  29. 28
  30. 56
  31. 90
  32. 41
  33. 35
  34. 75
  35. 31
  36. 54
  37. 76
  38. 34
  39. 73
  40. 70

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