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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 311 · 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.Marks of 6 friends in a quiz: 66, 89, 76, 82, 65, 96. What is their average mark?
  2. 2.A shop sells an average of 60 kg of sugar a day for 3 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  3. 3.A shop sells an average of 51 kg of sugar a day for 2 days, and then 31 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  4. 4.A shop sells an average of 23 kg of sugar a day for 3 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  5. 5.A shop sells an average of 39 kg of sugar a day for 2 days, and then 59 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  6. 6.The average of 9 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  7. 7.A shop sells an average of 32 kg of sugar a day for 6 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.Aditya’s batting average after 6 innings is 26 runs. How many runs must Aditya score in the next innings to raise the average to 31?
  9. 9.The average of 7 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  10. 10.The average weight of 5 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 4 numbers is 28. When one more number is added, the average becomes 33. What number was added?
  12. 12.The average weight of 9 children is 41 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 7 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  14. 14.A shop sells an average of 60 kg of sugar a day for 5 days, and then 42 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  15. 15.The average of 6 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  16. 16.The average of 9 numbers is 43. When one more number is added, the average becomes 45. What number was added?
  17. 17.Dev’s batting average after 13 innings is 23 runs. How many runs must Dev score in the next innings to raise the average to 27?
  18. 18.A shop sells an average of 52 kg of sugar a day for 3 days, and then 56 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  19. 19.The average of 6 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  20. 20.The average of 7 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  21. 21.The average weight of 9 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 8 numbers is 29. When one more number is added, the average becomes 31. What number was added?
  23. 23.Sneha’s batting average after 5 innings is 21 runs. How many runs must Sneha score in the next innings to raise the average to 22?
  24. 24.A shop sells an average of 40 kg of sugar a day for 2 days, and then 61 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.Aarav’s batting average after 7 innings is 23 runs. How many runs must Aarav score in the next innings to raise the average to 25?
  26. 26.Aditya’s batting average after 6 innings is 50 runs. How many runs must Aditya score in the next innings to raise the average to 52?
  27. 27.The average of 7 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  28. 28.A shop sells an average of 41 kg of sugar a day for 3 days, and then 21 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  29. 29.Marks of 5 friends in a quiz: 39, 40, 25, 32, 64. What is their average mark?
  30. 30.The average weight of 8 children is 47 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.A shop sells an average of 47 kg of sugar a day for 4 days, and then 74 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  32. 32.The average weight of 10 children is 41 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average weight of 5 children is 45 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 4 friends in a quiz: 94, 101, 76, 77. What is their average mark?
  35. 35.The average of 7 numbers is 58. When one more number is added, the average becomes 60. What number was added?
  36. 36.Saanvi’s batting average after 10 innings is 23 runs. How many runs must Saanvi score in the next innings to raise the average to 26?
  37. 37.The average weight of 5 children is 42 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Rohan’s batting average after 8 innings is 22 runs. How many runs must Rohan score in the next innings to raise the average to 26?
  39. 39.A shop sells an average of 25 kg of sugar a day for 6 days, and then 61 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  40. 40.Marks of 4 friends in a quiz: 43, 45, 58, 62. What is their average mark?

Answer key

  1. 79
  2. 55
  3. 41
  4. 27
  5. 49
  6. 77
  7. 36
  8. 61
  9. 64
  10. 36
  11. 53
  12. 38
  13. 69
  14. 52
  15. 67
  16. 63
  17. 79
  18. 54
  19. 40
  20. 27
  21. 29
  22. 47
  23. 27
  24. 54
  25. 39
  26. 64
  27. 47
  28. 33
  29. 40
  30. 45
  31. 56
  32. 40
  33. 43
  34. 87
  35. 74
  36. 56
  37. 39
  38. 58
  39. 37
  40. 52

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