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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 301 · 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.The average of 9 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  2. 2.Marks of 5 friends in a quiz: 59, 67, 74, 69, 51. What is their average mark?
  3. 3.The average of 4 numbers is 35. When one more number is added, the average becomes 41. What number was added?
  4. 4.A shop sells an average of 76 kg of sugar a day for 2 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  5. 5.The average of 7 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  6. 6.The average weight of 8 children is 40 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Marks of 4 friends in a quiz: 43, 55, 41, 45. What is their average mark?
  8. 8.A shop sells an average of 74 kg of sugar a day for 4 days, and then 29 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  9. 9.Priya’s batting average after 7 innings is 29 runs. How many runs must Priya score in the next innings to raise the average to 31?
  10. 10.The average weight of 7 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 6 friends in a quiz: 62, 51, 49, 68, 59, 41. What is their average mark?
  12. 12.Zoya’s batting average after 10 innings is 31 runs. How many runs must Zoya score in the next innings to raise the average to 35?
  13. 13.Diya’s batting average after 8 innings is 43 runs. How many runs must Diya score in the next innings to raise the average to 47?
  14. 14.The average weight of 5 children is 38 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.A shop sells an average of 51 kg of sugar a day for 5 days, and then 53 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  16. 16.The average weight of 11 children is 35 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average of 9 numbers is 42. When one more number is added, the average becomes 44. What number was added?
  18. 18.Ananya’s batting average after 6 innings is 27 runs. How many runs must Ananya score in the next innings to raise the average to 30?
  19. 19.The average of 6 numbers is 35. When one more number is added, the average becomes 39. What number was added?
  20. 20.Sneha’s batting average after 5 innings is 40 runs. How many runs must Sneha score in the next innings to raise the average to 42?
  21. 21.Aarav’s batting average after 8 innings is 29 runs. How many runs must Aarav score in the next innings to raise the average to 30?
  22. 22.Marks of 4 friends in a quiz: 49, 41, 43, 79. What is their average mark?
  23. 23.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)?
  24. 24.Pooja’s batting average after 7 innings is 46 runs. How many runs must Pooja score in the next innings to raise the average to 50?
  25. 25.The average of 9 numbers is 32. When one more number is added, the average becomes 37. What number was added?
  26. 26.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)?
  27. 27.The average of 5 numbers is 50. When one more number is added, the average becomes 56. What number was added?
  28. 28.A shop sells an average of 45 kg of sugar a day for 4 days, and then 25 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  29. 29.The average of 5 numbers is 26. When one more number is added, the average becomes 32. What number was added?
  30. 30.The average weight of 5 children is 48 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 4 friends in a quiz: 37, 66, 44, 61. What is their average mark?
  32. 32.The average weight of 12 children is 36 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Ananya’s batting average after 5 innings is 24 runs. How many runs must Ananya score in the next innings to raise the average to 26?
  34. 34.A shop sells an average of 75 kg of sugar a day for 3 days, and then 78 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  35. 35.Marks of 6 friends in a quiz: 48, 56, 53, 70, 62, 83. What is their average mark?
  36. 36.Ishaan’s batting average after 12 innings is 27 runs. How many runs must Ishaan score in the next innings to raise the average to 30?
  37. 37.A shop sells an average of 31 kg of sugar a day for 2 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.The average of 9 numbers is 57. When one more number is added, the average becomes 58. What number was added?
  39. 39.The average of 4 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  40. 40.Marks of 4 friends in a quiz: 42, 28, 31, 27. What is their average mark?

Answer key

  1. 70
  2. 64
  3. 65
  4. 49
  5. 46
  6. 39
  7. 46
  8. 49
  9. 45
  10. 29
  11. 55
  12. 75
  13. 79
  14. 36
  15. 52
  16. 34
  17. 62
  18. 48
  19. 63
  20. 52
  21. 38
  22. 53
  23. 28
  24. 78
  25. 82
  26. 27
  27. 86
  28. 33
  29. 62
  30. 45
  31. 52
  32. 34
  33. 36
  34. 77
  35. 62
  36. 66
  37. 25
  38. 67
  39. 48
  40. 32

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