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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 641 · 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 4 friends in a quiz: 46, 40, 44, 10. What is their average mark?
  2. 2.The average of 8 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  3. 3.A shop sells an average of 59 kg of sugar a day for 2 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.A shop sells an average of 36 kg of sugar a day for 2 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  5. 5.Marks of 6 friends in a quiz: 88, 70, 84, 87, 90, 61. What is their average mark?
  6. 6.A shop sells an average of 78 kg of sugar a day for 3 days, and then 71 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  7. 7.Marks of 5 friends in a quiz: 67, 68, 60, 78, 77. What is their average mark?
  8. 8.The average weight of 9 children is 47 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 6 numbers is 31. When one more number is added, the average becomes 34. What number was added?
  10. 10.Marks of 4 friends in a quiz: 80, 65, 65, 82. What is their average mark?
  11. 11.A shop sells an average of 21 kg of sugar a day for 2 days, and then 77 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  12. 12.A shop sells an average of 20 kg of sugar a day for 3 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  13. 13.Sneha’s batting average after 7 innings is 43 runs. How many runs must Sneha score in the next innings to raise the average to 46?
  14. 14.Marks of 5 friends in a quiz: 51, 72, 73, 61, 63. What is their average mark?
  15. 15.A shop sells an average of 54 kg of sugar a day for 3 days, and then 74 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  16. 16.The average weight of 8 children is 39 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 59 kg of sugar a day for 2 days, and then 61 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  18. 18.Marks of 4 friends in a quiz: 37, 25, 36, 38. What is their average mark?
  19. 19.The average weight of 6 children is 41 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 7 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  21. 21.The average weight of 5 children is 31 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.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)?
  23. 23.The average weight of 8 children is 44 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 6 children is 32 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Vivaan’s batting average after 10 innings is 31 runs. How many runs must Vivaan score in the next innings to raise the average to 33?
  26. 26.Kavya’s batting average after 6 innings is 24 runs. How many runs must Kavya score in the next innings to raise the average to 26?
  27. 27.A shop sells an average of 32 kg of sugar a day for 2 days, and then 22 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  28. 28.The average weight of 5 children is 39 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average of 4 numbers is 40. When one more number is added, the average becomes 42. What number was added?
  30. 30.A shop sells an average of 59 kg of sugar a day for 3 days, and then 37 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  31. 31.The average of 7 numbers is 44. When one more number is added, the average becomes 49. What number was added?
  32. 32.The average of 7 numbers is 17. When one more number is added, the average becomes 21. What number was added?
  33. 33.Marks of 6 friends in a quiz: 59, 33, 38, 40, 44, 74. What is their average mark?
  34. 34.Marks of 6 friends in a quiz: 81, 100, 87, 98, 87, 63. What is their average mark?
  35. 35.A shop sells an average of 44 kg of sugar a day for 4 days, and then 22 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  36. 36.Marks of 4 friends in a quiz: 32, 22, 43, 47. What is their average mark?
  37. 37.A shop sells an average of 75 kg of sugar a day for 2 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  38. 38.Farhan’s batting average after 5 innings is 48 runs. How many runs must Farhan score in the next innings to raise the average to 52?
  39. 39.Aarav’s batting average after 9 innings is 39 runs. How many runs must Aarav score in the next innings to raise the average to 43?
  40. 40.The average of 4 numbers is 40. When one more number is added, the average becomes 43. What number was added?

Answer key

  1. 35
  2. 58
  3. 39
  4. 30
  5. 80
  6. 74
  7. 70
  8. 45
  9. 52
  10. 73
  11. 63
  12. 26
  13. 67
  14. 64
  15. 62
  16. 38
  17. 60
  18. 34
  19. 39
  20. 32
  21. 29
  22. 40
  23. 43
  24. 31
  25. 53
  26. 38
  27. 26
  28. 38
  29. 50
  30. 48
  31. 84
  32. 49
  33. 48
  34. 86
  35. 33
  36. 36
  37. 73
  38. 72
  39. 79
  40. 55

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