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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 380 · 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 of 4 numbers is 25. When one more number is added, the average becomes 28. What number was added?
  2. 2.The average weight of 8 children is 33 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 48 kg of sugar a day for 5 days, and then 52 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  4. 4.A shop sells an average of 27 kg of sugar a day for 6 days, and then 59 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  5. 5.The average of 4 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  6. 6.Rahul’s batting average after 5 innings is 22 runs. How many runs must Rahul score in the next innings to raise the average to 23?
  7. 7.Aditya’s batting average after 12 innings is 41 runs. How many runs must Aditya score in the next innings to raise the average to 46?
  8. 8.Marks of 4 friends in a quiz: 74, 85, 90, 75. What is their average mark?
  9. 9.The average weight of 6 children is 43 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 4 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  11. 11.The average weight of 7 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 62 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)?
  13. 13.Sneha’s batting average after 14 innings is 31 runs. How many runs must Sneha score in the next innings to raise the average to 32?
  14. 14.The average of 4 numbers is 53. When one more number is added, the average becomes 54. What number was added?
  15. 15.The average of 7 numbers is 43. When one more number is added, the average becomes 48. What number was added?
  16. 16.A shop sells an average of 22 kg of sugar a day for 3 days, and then 67 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.The average of 6 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  18. 18.Manav’s batting average after 10 innings is 50 runs. How many runs must Manav score in the next innings to raise the average to 54?
  19. 19.A shop sells an average of 23 kg of sugar a day for 6 days, and then 49 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  20. 20.The average of 7 numbers is 58. When one more number is added, the average becomes 62. What number was added?
  21. 21.The average of 5 numbers is 42. When one more number is added, the average becomes 45. What number was added?
  22. 22.Pooja’s batting average after 8 innings is 20 runs. How many runs must Pooja score in the next innings to raise the average to 25?
  23. 23.Marks of 4 friends in a quiz: 57, 49, 45, 53. What is their average mark?
  24. 24.Aditya’s batting average after 10 innings is 26 runs. How many runs must Aditya score in the next innings to raise the average to 27?
  25. 25.The average weight of 7 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 4 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  27. 27.Marks of 4 friends in a quiz: 96, 88, 69, 83. What is their average mark?
  28. 28.The average weight of 9 children is 44 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Vivaan’s batting average after 6 innings is 42 runs. How many runs must Vivaan score in the next innings to raise the average to 44?
  30. 30.The average weight of 11 children is 46 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 9 numbers is 33. When one more number is added, the average becomes 37. What number was added?
  32. 32.Marks of 5 friends in a quiz: 68, 55, 50, 48, 94. What is their average mark?
  33. 33.A shop sells an average of 51 kg of sugar a day for 6 days, and then 31 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  34. 34.Arjun’s batting average after 7 innings is 47 runs. How many runs must Arjun score in the next innings to raise the average to 49?
  35. 35.Diya’s batting average after 15 innings is 33 runs. How many runs must Diya score in the next innings to raise the average to 38?
  36. 36.Karan’s batting average after 9 innings is 20 runs. How many runs must Karan score in the next innings to raise the average to 23?
  37. 37.A shop sells an average of 41 kg of sugar a day for 6 days, and then 56 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  38. 38.Manav’s batting average after 15 innings is 29 runs. How many runs must Manav score in the next innings to raise the average to 30?
  39. 39.The average of 5 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  40. 40.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)?

Answer key

  1. 40
  2. 32
  3. 50
  4. 43
  5. 28
  6. 28
  7. 106
  8. 81
  9. 40
  10. 42
  11. 31
  12. 57
  13. 46
  14. 58
  15. 83
  16. 52
  17. 81
  18. 94
  19. 36
  20. 90
  21. 60
  22. 65
  23. 51
  24. 37
  25. 26
  26. 22
  27. 84
  28. 41
  29. 56
  30. 45
  31. 73
  32. 63
  33. 41
  34. 63
  35. 113
  36. 50
  37. 47
  38. 45
  39. 38
  40. 43

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