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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 557 · 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 21 kg of sugar a day for 4 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.Manav’s batting average after 10 innings is 48 runs. How many runs must Manav score in the next innings to raise the average to 50?
  3. 3.The average of 7 numbers is 15. When one more number is added, the average becomes 21. What number was added?
  4. 4.Rohan’s batting average after 10 innings is 43 runs. How many runs must Rohan score in the next innings to raise the average to 47?
  5. 5.The average weight of 11 children is 30 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.A shop sells an average of 73 kg of sugar a day for 4 days, and then 45 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  7. 7.A shop sells an average of 46 kg of sugar a day for 6 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.Marks of 6 friends in a quiz: 41, 37, 31, 23, 33, 45. What is their average mark?
  9. 9.Marks of 5 friends in a quiz: 95, 81, 71, 85, 83. What is their average mark?
  10. 10.Marks of 4 friends in a quiz: 74, 84, 87, 83. What is their average mark?
  11. 11.The average weight of 12 children is 45 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 5 numbers is 17. When one more number is added, the average becomes 23. What number was added?
  13. 13.The average weight of 8 children is 37 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Farhan’s batting average after 11 innings is 47 runs. How many runs must Farhan score in the next innings to raise the average to 51?
  15. 15.Arjun’s batting average after 6 innings is 49 runs. How many runs must Arjun score in the next innings to raise the average to 54?
  16. 16.The average weight of 11 children is 33 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 9 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 11 children is 40 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.A shop sells an average of 30 kg of sugar a day for 4 days, and then 39 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  20. 20.Marks of 4 friends in a quiz: 78, 55, 59, 72. What is their average mark?
  21. 21.The average weight of 12 children is 29 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 5 friends in a quiz: 53, 82, 77, 66, 57. What is their average mark?
  23. 23.The average of 8 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  24. 24.Marks of 6 friends in a quiz: 26, 12, 16, 10, 36, 44. What is their average mark?
  25. 25.The average weight of 6 children is 29 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 9 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  27. 27.The average weight of 9 children is 35 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 4 numbers is 40. When one more number is added, the average becomes 46. What number was added?
  29. 29.The average weight of 9 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.A shop sells an average of 20 kg of sugar a day for 4 days, and then 52 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  31. 31.Priya’s batting average after 12 innings is 24 runs. How many runs must Priya score in the next innings to raise the average to 29?
  32. 32.Marks of 6 friends in a quiz: 36, 38, 34, 38, 46, 54. What is their average mark?
  33. 33.Marks of 6 friends in a quiz: 81, 68, 77, 80, 65, 79. What is their average mark?
  34. 34.The average weight of 6 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 6 friends in a quiz: 67, 76, 83, 79, 69, 76. What is their average mark?
  36. 36.Arjun’s batting average after 11 innings is 35 runs. How many runs must Arjun score in the next innings to raise the average to 36?
  37. 37.Diya’s batting average after 8 innings is 20 runs. How many runs must Diya score in the next innings to raise the average to 21?
  38. 38.The average of 5 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  39. 39.Farhan’s batting average after 7 innings is 35 runs. How many runs must Farhan score in the next innings to raise the average to 38?
  40. 40.The average of 4 numbers is 28. When one more number is added, the average becomes 33. What number was added?

Answer key

  1. 26
  2. 70
  3. 63
  4. 87
  5. 27
  6. 61
  7. 45
  8. 35
  9. 83
  10. 82
  11. 44
  12. 53
  13. 36
  14. 95
  15. 84
  16. 31
  17. 40
  18. 37
  19. 35
  20. 66
  21. 28
  22. 67
  23. 89
  24. 24
  25. 28
  26. 65
  27. 32
  28. 70
  29. 27
  30. 36
  31. 89
  32. 41
  33. 75
  34. 32
  35. 75
  36. 47
  37. 29
  38. 52
  39. 59
  40. 53

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