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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 520 · 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 47. When one more number is added, the average becomes 51. What number was added?
  2. 2.Aarav’s batting average after 13 innings is 21 runs. How many runs must Aarav score in the next innings to raise the average to 25?
  3. 3.The average weight of 5 children is 46 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Marks of 6 friends in a quiz: 77, 97, 97, 74, 85, 92. What is their average mark?
  5. 5.A shop sells an average of 49 kg of sugar a day for 2 days, and then 31 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  6. 6.Marks of 4 friends in a quiz: 58, 80, 76, 78. What is their average mark?
  7. 7.Karan’s batting average after 15 innings is 20 runs. How many runs must Karan score in the next innings to raise the average to 25?
  8. 8.The average of 5 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  9. 9.Marks of 5 friends in a quiz: 43, 55, 50, 71, 66. What is their average mark?
  10. 10.The average weight of 8 children is 45 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average weight of 5 children is 42 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 53 kg of sugar a day for 5 days, and then 45 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  13. 13.A shop sells an average of 56 kg of sugar a day for 5 days, and then 24 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.The average weight of 7 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 7 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  16. 16.The average weight of 12 children is 30 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 9 children is 43 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 9 numbers is 42. When one more number is added, the average becomes 48. What number was added?
  19. 19.A shop sells an average of 77 kg of sugar a day for 5 days, and then 23 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  20. 20.Karan’s batting average after 6 innings is 45 runs. How many runs must Karan score in the next innings to raise the average to 46?
  21. 21.Marks of 4 friends in a quiz: 49, 59, 31, 45. What is their average mark?
  22. 22.Zoya’s batting average after 8 innings is 48 runs. How many runs must Zoya score in the next innings to raise the average to 53?
  23. 23.Marks of 5 friends in a quiz: 17, 12, 28, 12, 36. What is their average mark?
  24. 24.The average of 7 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  25. 25.The average of 4 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  26. 26.Zoya’s batting average after 6 innings is 26 runs. How many runs must Zoya score in the next innings to raise the average to 29?
  27. 27.Marks of 5 friends in a quiz: 83, 87, 74, 93, 58. What is their average mark?
  28. 28.Tara’s batting average after 15 innings is 45 runs. How many runs must Tara score in the next innings to raise the average to 49?
  29. 29.Manav’s batting average after 6 innings is 40 runs. How many runs must Manav score in the next innings to raise the average to 42?
  30. 30.Marks of 4 friends in a quiz: 49, 36, 31, 28. What is their average mark?
  31. 31.The average of 7 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  32. 32.Marks of 6 friends in a quiz: 74, 77, 92, 74, 91, 96. What is their average mark?
  33. 33.A shop sells an average of 20 kg of sugar a day for 6 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  34. 34.Arjun’s batting average after 5 innings is 30 runs. How many runs must Arjun score in the next innings to raise the average to 35?
  35. 35.The average of 4 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  36. 36.The average of 4 numbers is 57. When one more number is added, the average becomes 59. What number was added?
  37. 37.Saanvi’s batting average after 8 innings is 31 runs. How many runs must Saanvi score in the next innings to raise the average to 36?
  38. 38.The average weight of 12 children is 30 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 5 friends in a quiz: 43, 29, 34, 44, 5. What is their average mark?
  40. 40.A shop sells an average of 30 kg of sugar a day for 2 days, and then 79 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?

Answer key

  1. 67
  2. 77
  3. 44
  4. 87
  5. 40
  6. 73
  7. 100
  8. 79
  9. 57
  10. 44
  11. 41
  12. 49
  13. 44
  14. 29
  15. 69
  16. 29
  17. 40
  18. 102
  19. 50
  20. 52
  21. 46
  22. 93
  23. 21
  24. 64
  25. 25
  26. 47
  27. 79
  28. 109
  29. 54
  30. 36
  31. 63
  32. 84
  33. 21
  34. 60
  35. 28
  36. 67
  37. 76
  38. 27
  39. 31
  40. 65

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