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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 248 · 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 7 children is 37 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Aarav’s batting average after 6 innings is 49 runs. How many runs must Aarav score in the next innings to raise the average to 50?
  3. 3.The average of 8 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  4. 4.Diya’s batting average after 12 innings is 43 runs. How many runs must Diya score in the next innings to raise the average to 46?
  5. 5.A shop sells an average of 75 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)?
  6. 6.The average of 8 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  7. 7.A shop sells an average of 58 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)?
  8. 8.The average of 7 numbers is 41. When one more number is added, the average becomes 44. What number was added?
  9. 9.A shop sells an average of 31 kg of sugar a day for 6 days, and then 61 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  10. 10.Zoya’s batting average after 11 innings is 23 runs. How many runs must Zoya score in the next innings to raise the average to 27?
  11. 11.The average of 6 numbers is 47. When one more number is added, the average becomes 51. What number was added?
  12. 12.Diya’s batting average after 7 innings is 47 runs. How many runs must Diya score in the next innings to raise the average to 48?
  13. 13.The average of 7 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  14. 14.The average weight of 6 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 9 numbers is 34. When one more number is added, the average becomes 38. What number was added?
  16. 16.Marks of 4 friends in a quiz: 66, 59, 85, 86. What is their average mark?
  17. 17.The average of 4 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  18. 18.The average weight of 8 children is 31 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 4 friends in a quiz: 47, 56, 52, 73. What is their average mark?
  20. 20.A shop sells an average of 57 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)?
  21. 21.Marks of 4 friends in a quiz: 48, 54, 46, 80. What is their average mark?
  22. 22.A shop sells an average of 29 kg of sugar a day for 5 days, and then 41 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  23. 23.A shop sells an average of 43 kg of sugar a day for 4 days, and then 57 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  24. 24.A shop sells an average of 78 kg of sugar a day for 6 days, and then 57 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 10 children is 47 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 4 friends in a quiz: 60, 68, 65, 43. What is their average mark?
  27. 27.Marks of 6 friends in a quiz: 53, 25, 35, 33, 25, 57. What is their average mark?
  28. 28.Saanvi’s batting average after 15 innings is 20 runs. How many runs must Saanvi score in the next innings to raise the average to 25?
  29. 29.Karan’s batting average after 15 innings is 32 runs. How many runs must Karan score in the next innings to raise the average to 36?
  30. 30.Marks of 4 friends in a quiz: 60, 70, 50, 56. What is their average mark?
  31. 31.Marks of 5 friends in a quiz: 97, 95, 81, 89, 83. What is their average mark?
  32. 32.The average weight of 6 children is 44 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 9 numbers is 50. When one more number is added, the average becomes 51. What number was added?
  34. 34.Meera’s batting average after 10 innings is 44 runs. How many runs must Meera score in the next innings to raise the average to 46?
  35. 35.The average of 5 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  36. 36.Marks of 4 friends in a quiz: 34, 50, 32, 44. What is their average mark?
  37. 37.The average weight of 5 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Manav’s batting average after 15 innings is 42 runs. How many runs must Manav score in the next innings to raise the average to 44?
  39. 39.The average of 5 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  40. 40.The average weight of 8 children is 28 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 35
  2. 56
  3. 60
  4. 82
  5. 67
  6. 39
  7. 60
  8. 65
  9. 43
  10. 71
  11. 75
  12. 55
  13. 37
  14. 26
  15. 74
  16. 74
  17. 42
  18. 29
  19. 57
  20. 66
  21. 57
  22. 35
  23. 49
  24. 71
  25. 45
  26. 59
  27. 38
  28. 100
  29. 96
  30. 59
  31. 89
  32. 43
  33. 60
  34. 66
  35. 64
  36. 40
  37. 28
  38. 74
  39. 36
  40. 27

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