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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 652 · 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 5 friends in a quiz: 56, 44, 45, 35, 40. What is their average mark?
  2. 2.The average weight of 10 children is 31 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Rohan’s batting average after 11 innings is 23 runs. How many runs must Rohan score in the next innings to raise the average to 27?
  4. 4.Marks of 4 friends in a quiz: 61, 66, 74, 39. What is their average mark?
  5. 5.The average of 7 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  6. 6.The average of 5 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  7. 7.A shop sells an average of 76 kg of sugar a day for 3 days, and then 30 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  8. 8.A shop sells an average of 52 kg of sugar a day for 5 days, and then 34 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  9. 9.Rohan’s batting average after 14 innings is 23 runs. How many runs must Rohan score in the next innings to raise the average to 26?
  10. 10.A shop sells an average of 68 kg of sugar a day for 3 days, and then 60 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.A shop sells an average of 62 kg of sugar a day for 6 days, and then 32 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.Marks of 5 friends in a quiz: 85, 75, 70, 91, 84. What is their average mark?
  13. 13.The average weight of 7 children is 39 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 4 friends in a quiz: 69, 59, 72, 28. What is their average mark?
  15. 15.A shop sells an average of 73 kg of sugar a day for 3 days, and then 52 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  16. 16.The average weight of 10 children is 31 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 7 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 55 kg of sugar a day for 4 days, and then 45 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  19. 19.The average of 5 numbers is 32. When one more number is added, the average becomes 37. What number was added?
  20. 20.A shop sells an average of 20 kg of sugar a day for 2 days, and then 69 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  21. 21.Marks of 6 friends in a quiz: 18, 39, 11, 28, 30, 30. What is their average mark?
  22. 22.Marks of 5 friends in a quiz: 8, 36, 17, 23, 26. What is their average mark?
  23. 23.The average weight of 6 children is 45 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 6 numbers is 39. When one more number is added, the average becomes 43. What number was added?
  25. 25.A shop sells an average of 37 kg of sugar a day for 5 days, and then 69 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  26. 26.A shop sells an average of 55 kg of sugar a day for 3 days, and then 59 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.Ishaan’s batting average after 9 innings is 39 runs. How many runs must Ishaan score in the next innings to raise the average to 43?
  28. 28.The average of 4 numbers is 31. When one more number is added, the average becomes 37. What number was added?
  29. 29.Tara’s batting average after 13 innings is 36 runs. How many runs must Tara score in the next innings to raise the average to 37?
  30. 30.The average of 5 numbers is 60. When one more number is added, the average becomes 66. What number was added?
  31. 31.Isha’s batting average after 15 innings is 22 runs. How many runs must Isha score in the next innings to raise the average to 24?
  32. 32.The average of 5 numbers is 33. When one more number is added, the average becomes 39. What number was added?
  33. 33.A shop sells an average of 21 kg of sugar a day for 3 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  34. 34.Marks of 6 friends in a quiz: 21, 22, 22, 23, 24, 98. What is their average mark?
  35. 35.Marks of 6 friends in a quiz: 49, 35, 25, 46, 42, 13. What is their average mark?
  36. 36.Marks of 5 friends in a quiz: 76, 97, 82, 100, 75. What is their average mark?
  37. 37.The average weight of 8 children is 29 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Aarav’s batting average after 7 innings is 49 runs. How many runs must Aarav score in the next innings to raise the average to 50?
  39. 39.The average weight of 6 children is 46 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 12 children is 42 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 44
  2. 29
  3. 71
  4. 60
  5. 92
  6. 45
  7. 53
  8. 44
  9. 68
  10. 64
  11. 50
  12. 81
  13. 38
  14. 57
  15. 61
  16. 30
  17. 30
  18. 50
  19. 62
  20. 55
  21. 26
  22. 22
  23. 44
  24. 67
  25. 53
  26. 57
  27. 79
  28. 61
  29. 50
  30. 96
  31. 54
  32. 69
  33. 29
  34. 35
  35. 35
  36. 86
  37. 26
  38. 57
  39. 45
  40. 40

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