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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 261 · 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.The average weight of 9 children is 39 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 9 children is 31 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Farhan’s batting average after 9 innings is 30 runs. How many runs must Farhan score in the next innings to raise the average to 34?
  4. 4.A shop sells an average of 54 kg of sugar a day for 5 days, and then 34 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  5. 5.Isha’s batting average after 5 innings is 21 runs. How many runs must Isha score in the next innings to raise the average to 24?
  6. 6.The average of 9 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  7. 7.The average weight of 9 children is 32 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 12 children is 38 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Kavya’s batting average after 7 innings is 45 runs. How many runs must Kavya score in the next innings to raise the average to 50?
  10. 10.The average of 9 numbers is 44. When one more number is added, the average becomes 46. What number was added?
  11. 11.Zoya’s batting average after 7 innings is 31 runs. How many runs must Zoya score in the next innings to raise the average to 32?
  12. 12.The average weight of 8 children is 28 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Pooja’s batting average after 11 innings is 24 runs. How many runs must Pooja score in the next innings to raise the average to 29?
  14. 14.Marks of 6 friends in a quiz: 38, 40, 44, 55, 45, 36. What is their average mark?
  15. 15.A shop sells an average of 75 kg of sugar a day for 3 days, and then 69 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.Aarav’s batting average after 7 innings is 20 runs. How many runs must Aarav score in the next innings to raise the average to 21?
  17. 17.Marks of 5 friends in a quiz: 40, 15, 15, 24, 46. What is their average mark?
  18. 18.The average weight of 8 children is 45 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Sneha’s batting average after 10 innings is 45 runs. How many runs must Sneha score in the next innings to raise the average to 50?
  20. 20.The average of 5 numbers is 44. When one more number is added, the average becomes 50. What number was added?
  21. 21.Marks of 4 friends in a quiz: 63, 77, 75, 77. What is their average mark?
  22. 22.The average weight of 7 children is 34 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 12 children is 28 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 6 friends in a quiz: 75, 77, 51, 66, 55, 66. What is their average mark?
  25. 25.Arjun’s batting average after 9 innings is 27 runs. How many runs must Arjun score in the next innings to raise the average to 32?
  26. 26.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)?
  27. 27.Marks of 5 friends in a quiz: 53, 28, 31, 46, 42. What is their average mark?
  28. 28.The average weight of 9 children is 28 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 6 friends in a quiz: 21, 31, 30, 33, 30, 11. What is their average mark?
  30. 30.Marks of 5 friends in a quiz: 50, 29, 50, 27, 39. What is their average mark?
  31. 31.Marks of 6 friends in a quiz: 40, 53, 41, 45, 43, 90. What is their average mark?
  32. 32.Rohan’s batting average after 11 innings is 38 runs. How many runs must Rohan score in the next innings to raise the average to 41?
  33. 33.A shop sells an average of 75 kg of sugar a day for 2 days, and then 63 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.The average weight of 11 children is 30 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average weight of 7 children is 42 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average weight of 9 children is 29 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 8 numbers is 18. When one more number is added, the average becomes 24. What number was added?
  38. 38.The average weight of 9 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average of 9 numbers is 26. When one more number is added, the average becomes 31. What number was added?
  40. 40.A shop sells an average of 62 kg of sugar a day for 5 days, and then 54 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 38
  2. 28
  3. 70
  4. 44
  5. 39
  6. 37
  7. 29
  8. 36
  9. 85
  10. 64
  11. 39
  12. 25
  13. 84
  14. 43
  15. 72
  16. 28
  17. 28
  18. 43
  19. 100
  20. 80
  21. 73
  22. 32
  23. 27
  24. 65
  25. 77
  26. 67
  27. 40
  28. 27
  29. 26
  30. 39
  31. 52
  32. 74
  33. 67
  34. 28
  35. 39
  36. 27
  37. 72
  38. 26
  39. 76
  40. 59

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