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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 45 · 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 66 kg of sugar a day for 3 days, and then 24 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  2. 2.Marks of 5 friends in a quiz: 29, 36, 56, 37, 57. What is their average mark?
  3. 3.The average of 4 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  4. 4.Saanvi’s batting average after 13 innings is 42 runs. How many runs must Saanvi score in the next innings to raise the average to 44?
  5. 5.Marks of 6 friends in a quiz: 70, 83, 67, 77, 80, 91. What is their average mark?
  6. 6.A shop sells an average of 66 kg of sugar a day for 3 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  7. 7.A shop sells an average of 76 kg of sugar a day for 2 days, and then 32 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.A shop sells an average of 20 kg of sugar a day for 2 days, and then 62 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  9. 9.The average of 6 numbers is 55. When one more number is added, the average becomes 60. What number was added?
  10. 10.Ishaan’s batting average after 15 innings is 20 runs. How many runs must Ishaan score in the next innings to raise the average to 25?
  11. 11.The average weight of 8 children is 28 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 6 friends in a quiz: 39, 30, 22, 38, 20, 37. What is their average mark?
  13. 13.A shop sells an average of 59 kg of sugar a day for 6 days, and then 43 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.Arjun’s batting average after 6 innings is 33 runs. How many runs must Arjun score in the next innings to raise the average to 35?
  15. 15.The average of 9 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  16. 16.The average weight of 9 children is 45 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Arjun’s batting average after 6 innings is 21 runs. How many runs must Arjun score in the next innings to raise the average to 24?
  18. 18.Marks of 4 friends in a quiz: 65, 73, 64, 50. What is their average mark?
  19. 19.The average of 4 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  20. 20.The average weight of 11 children is 38 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.A shop sells an average of 32 kg of sugar a day for 2 days, and then 46 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  22. 22.A shop sells an average of 21 kg of sugar a day for 6 days, and then 49 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  23. 23.Marks of 4 friends in a quiz: 100, 75, 83, 94. What is their average mark?
  24. 24.Marks of 6 friends in a quiz: 5, 6, 17, 17, 7, 68. What is their average mark?
  25. 25.Marks of 6 friends in a quiz: 58, 53, 62, 70, 74, 79. What is their average mark?
  26. 26.Marks of 4 friends in a quiz: 89, 86, 74, 63. What is their average mark?
  27. 27.The average of 5 numbers is 29. When one more number is added, the average becomes 30. What number was added?
  28. 28.A shop sells an average of 25 kg of sugar a day for 2 days, and then 79 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.Sneha’s batting average after 7 innings is 24 runs. How many runs must Sneha score in the next innings to raise the average to 26?
  30. 30.The average of 5 numbers is 29. When one more number is added, the average becomes 33. What number was added?
  31. 31.Marks of 6 friends in a quiz: 94, 102, 85, 87, 94, 78. What is their average mark?
  32. 32.Meera’s batting average after 5 innings is 24 runs. How many runs must Meera score in the next innings to raise the average to 25?
  33. 33.Marks of 4 friends in a quiz: 34, 43, 15, 24. What is their average mark?
  34. 34.Vivaan’s batting average after 5 innings is 20 runs. How many runs must Vivaan score in the next innings to raise the average to 23?
  35. 35.The average of 8 numbers is 31. When one more number is added, the average becomes 34. What number was added?
  36. 36.Marks of 4 friends in a quiz: 45, 36, 41, 18. What is their average mark?
  37. 37.The average of 9 numbers is 42. When one more number is added, the average becomes 48. What number was added?
  38. 38.A shop sells an average of 24 kg of sugar a day for 6 days, and then 62 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  39. 39.The average of 4 numbers is 54. When one more number is added, the average becomes 57. What number was added?
  40. 40.Marks of 5 friends in a quiz: 77, 67, 93, 68, 85. What is their average mark?

Answer key

  1. 42
  2. 43
  3. 74
  4. 70
  5. 78
  6. 46
  7. 43
  8. 50
  9. 90
  10. 100
  11. 26
  12. 31
  13. 55
  14. 47
  15. 45
  16. 43
  17. 42
  18. 63
  19. 33
  20. 36
  21. 39
  22. 35
  23. 88
  24. 20
  25. 66
  26. 78
  27. 35
  28. 61
  29. 40
  30. 53
  31. 90
  32. 30
  33. 29
  34. 38
  35. 58
  36. 35
  37. 102
  38. 43
  39. 69
  40. 78

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