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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 719 · 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 29 kg of sugar a day for 2 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  2. 2.Aarav’s batting average after 10 innings is 41 runs. How many runs must Aarav score in the next innings to raise the average to 43?
  3. 3.Rahul’s batting average after 8 innings is 49 runs. How many runs must Rahul score in the next innings to raise the average to 53?
  4. 4.The average weight of 8 children is 39 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average of 9 numbers is 35. When one more number is added, the average becomes 38. What number was added?
  6. 6.The average weight of 12 children is 26 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Marks of 5 friends in a quiz: 23, 19, 38, 23, 52. What is their average mark?
  8. 8.The average weight of 10 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 4 friends in a quiz: 37, 40, 21, 10. What is their average mark?
  10. 10.A shop sells an average of 61 kg of sugar a day for 4 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.Marks of 4 friends in a quiz: 56, 59, 55, 50. What is their average mark?
  12. 12.A shop sells an average of 56 kg of sugar a day for 2 days, and then 20 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  13. 13.The average of 7 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  14. 14.Marks of 4 friends in a quiz: 60, 57, 34, 45. What is their average mark?
  15. 15.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)?
  16. 16.The average weight of 7 children is 46 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 48 kg of sugar a day for 2 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  18. 18.The average weight of 5 children is 26 kg. One child, who weighs 30 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 8 numbers is 45. When one more number is added, the average becomes 46. What number was added?
  20. 20.A shop sells an average of 25 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)?
  21. 21.The average weight of 5 children is 40 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 6 friends in a quiz: 19, 26, 32, 46, 41, 40. What is their average mark?
  23. 23.A shop sells an average of 21 kg of sugar a day for 6 days, and then 45 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.Marks of 6 friends in a quiz: 52, 38, 45, 39, 39, 21. What is their average mark?
  25. 25.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)?
  26. 26.Dev’s batting average after 10 innings is 30 runs. How many runs must Dev score in the next innings to raise the average to 31?
  27. 27.Marks of 6 friends in a quiz: 87, 75, 98, 75, 100, 93. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 20, 16, 39, 21. What is their average mark?
  29. 29.The average of 8 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  30. 30.A shop sells an average of 53 kg of sugar a day for 5 days, and then 69 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  31. 31.The average weight of 12 children is 45 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 5 friends in a quiz: 35, 24, 27, 30, 54. What is their average mark?
  33. 33.A shop sells an average of 21 kg of sugar a day for 6 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  34. 34.A shop sells an average of 21 kg of sugar a day for 5 days, and then 25 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  35. 35.Priya’s batting average after 6 innings is 45 runs. How many runs must Priya score in the next innings to raise the average to 48?
  36. 36.The average of 4 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  37. 37.Nisha’s batting average after 5 innings is 42 runs. How many runs must Nisha score in the next innings to raise the average to 44?
  38. 38.The average of 9 numbers is 48. When one more number is added, the average becomes 53. What number was added?
  39. 39.The average of 9 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  40. 40.A shop sells an average of 46 kg of sugar a day for 4 days, and then 76 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?

Answer key

  1. 47
  2. 63
  3. 85
  4. 36
  5. 65
  6. 25
  7. 31
  8. 32
  9. 27
  10. 45
  11. 55
  12. 29
  13. 41
  14. 49
  15. 30
  16. 44
  17. 55
  18. 25
  19. 54
  20. 35
  21. 38
  22. 34
  23. 27
  24. 39
  25. 30
  26. 41
  27. 88
  28. 24
  29. 36
  30. 59
  31. 43
  32. 34
  33. 23
  34. 23
  35. 66
  36. 32
  37. 54
  38. 98
  39. 68
  40. 64

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