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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 697 · 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 20 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)?
  2. 2.A shop sells an average of 55 kg of sugar a day for 5 days, and then 39 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  3. 3.Marks of 5 friends in a quiz: 32, 41, 21, 37, 39. What is their average mark?
  4. 4.Zoya’s batting average after 13 innings is 31 runs. How many runs must Zoya score in the next innings to raise the average to 36?
  5. 5.A shop sells an average of 68 kg of sugar a day for 3 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  6. 6.Marks of 6 friends in a quiz: 60, 54, 71, 55, 81, 93. What is their average mark?
  7. 7.A shop sells an average of 44 kg of sugar a day for 2 days, and then 70 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  8. 8.The average of 4 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  9. 9.Marks of 5 friends in a quiz: 77, 78, 69, 60, 36. What is their average mark?
  10. 10.The average of 6 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  11. 11.A shop sells an average of 20 kg of sugar a day for 6 days, and then 75 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.The average weight of 11 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Marks of 4 friends in a quiz: 6, 16, 21, 37. What is their average mark?
  14. 14.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)?
  15. 15.The average weight of 7 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.A shop sells an average of 47 kg of sugar a day for 2 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  17. 17.The average of 6 numbers is 15. When one more number is added, the average becomes 21. What number was added?
  18. 18.The average weight of 8 children is 39 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.A shop sells an average of 62 kg of sugar a day for 2 days, and then 53 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  20. 20.The average weight of 8 children is 26 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 4 friends in a quiz: 36, 22, 32, 10. What is their average mark?
  22. 22.Marks of 4 friends in a quiz: 65, 66, 47, 58. What is their average mark?
  23. 23.Marks of 4 friends in a quiz: 42, 21, 36, 45. What is their average mark?
  24. 24.A shop sells an average of 38 kg of sugar a day for 6 days, and then 47 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  25. 25.The average weight of 7 children is 27 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Zoya’s batting average after 6 innings is 43 runs. How many runs must Zoya score in the next innings to raise the average to 44?
  27. 27.Nisha’s batting average after 14 innings is 25 runs. How many runs must Nisha score in the next innings to raise the average to 30?
  28. 28.The average of 8 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  29. 29.The average of 5 numbers is 42. When one more number is added, the average becomes 47. What number was added?
  30. 30.The average weight of 6 children is 41 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 5 friends in a quiz: 19, 26, 23, 9, 33. What is their average mark?
  32. 32.Pooja’s batting average after 9 innings is 34 runs. How many runs must Pooja score in the next innings to raise the average to 37?
  33. 33.A shop sells an average of 35 kg of sugar a day for 2 days, and then 65 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.Dev’s batting average after 9 innings is 21 runs. How many runs must Dev score in the next innings to raise the average to 22?
  35. 35.Dev’s batting average after 5 innings is 36 runs. How many runs must Dev score in the next innings to raise the average to 37?
  36. 36.Marks of 6 friends in a quiz: 21, 45, 45, 16, 27, 32. What is their average mark?
  37. 37.A shop sells an average of 41 kg of sugar a day for 4 days, and then 66 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  38. 38.A shop sells an average of 69 kg of sugar a day for 2 days, and then 66 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  39. 39.The average weight of 9 children is 34 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average of 7 numbers is 36. When one more number is added, the average becomes 40. What number was added?

Answer key

  1. 26
  2. 47
  3. 34
  4. 101
  5. 38
  6. 69
  7. 57
  8. 58
  9. 64
  10. 47
  11. 42
  12. 44
  13. 20
  14. 45
  15. 28
  16. 38
  17. 57
  18. 37
  19. 56
  20. 25
  21. 25
  22. 59
  23. 36
  24. 41
  25. 25
  26. 50
  27. 100
  28. 51
  29. 72
  30. 40
  31. 22
  32. 64
  33. 55
  34. 31
  35. 42
  36. 31
  37. 56
  38. 67
  39. 33
  40. 68

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