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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 272 · 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 56 kg of sugar a day for 2 days, and then 63 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  2. 2.The average of 9 numbers is 47. When one more number is added, the average becomes 49. What number was added?
  3. 3.The average weight of 9 children is 30 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.A shop sells an average of 80 kg of sugar a day for 3 days, and then 44 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.The average weight of 6 children is 39 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 9 numbers is 24. When one more number is added, the average becomes 28. What number was added?
  7. 7.The average of 4 numbers is 28. When one more number is added, the average becomes 30. What number was added?
  8. 8.The average of 8 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  9. 9.The average weight of 8 children is 30 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 12 children is 40 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 5 numbers is 29. When one more number is added, the average becomes 32. What number was added?
  12. 12.The average weight of 9 children is 40 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Priya’s batting average after 8 innings is 48 runs. How many runs must Priya score in the next innings to raise the average to 52?
  14. 14.Farhan’s batting average after 5 innings is 25 runs. How many runs must Farhan score in the next innings to raise the average to 30?
  15. 15.A shop sells an average of 41 kg of sugar a day for 2 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  16. 16.Diya’s batting average after 12 innings is 28 runs. How many runs must Diya score in the next innings to raise the average to 31?
  17. 17.The average of 9 numbers is 49. When one more number is added, the average becomes 50. What number was added?
  18. 18.The average of 8 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  19. 19.The average weight of 9 children is 29 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.A shop sells an average of 45 kg of sugar a day for 3 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  21. 21.Rohan’s batting average after 5 innings is 22 runs. How many runs must Rohan score in the next innings to raise the average to 24?
  22. 22.A shop sells an average of 29 kg of sugar a day for 6 days, and then 44 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  23. 23.Marks of 6 friends in a quiz: 57, 75, 50, 52, 48, 78. What is their average mark?
  24. 24.Marks of 4 friends in a quiz: 62, 73, 77, 48. What is their average mark?
  25. 25.A shop sells an average of 68 kg of sugar a day for 5 days, and then 28 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  26. 26.Diya’s batting average after 9 innings is 40 runs. How many runs must Diya score in the next innings to raise the average to 42?
  27. 27.Ishaan’s batting average after 9 innings is 41 runs. How many runs must Ishaan score in the next innings to raise the average to 44?
  28. 28.Aarav’s batting average after 8 innings is 48 runs. How many runs must Aarav score in the next innings to raise the average to 49?
  29. 29.The average weight of 12 children is 29 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Arjun’s batting average after 14 innings is 46 runs. How many runs must Arjun score in the next innings to raise the average to 50?
  31. 31.A shop sells an average of 72 kg of sugar a day for 5 days, and then 44 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  32. 32.Marks of 4 friends in a quiz: 38, 19, 22, 37. What is their average mark?
  33. 33.The average weight of 11 children is 46 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average weight of 6 children is 30 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Vivaan’s batting average after 10 innings is 30 runs. How many runs must Vivaan score in the next innings to raise the average to 31?
  36. 36.A shop sells an average of 79 kg of sugar a day for 3 days, and then 39 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.Meera’s batting average after 13 innings is 47 runs. How many runs must Meera score in the next innings to raise the average to 51?
  38. 38.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)?
  39. 39.The average weight of 12 children is 43 kg. One child, who weighs 76 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 8 children is 41 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 61
  2. 67
  3. 27
  4. 62
  5. 38
  6. 64
  7. 38
  8. 61
  9. 27
  10. 38
  11. 47
  12. 38
  13. 84
  14. 55
  15. 58
  16. 67
  17. 59
  18. 56
  19. 26
  20. 33
  21. 34
  22. 34
  23. 60
  24. 65
  25. 48
  26. 60
  27. 71
  28. 57
  29. 26
  30. 106
  31. 64
  32. 29
  33. 44
  34. 27
  35. 41
  36. 59
  37. 103
  38. 29
  39. 40
  40. 40

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