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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 24 · 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 9 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  2. 2.A shop sells an average of 56 kg of sugar a day for 2 days, and then 66 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  3. 3.The average of 6 numbers is 34. When one more number is added, the average becomes 36. What number was added?
  4. 4.The average weight of 7 children is 35 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Aarav’s batting average after 8 innings is 32 runs. How many runs must Aarav score in the next innings to raise the average to 37?
  6. 6.Marks of 4 friends in a quiz: 15, 28, 24, 17. What is their average mark?
  7. 7.The average weight of 9 children is 30 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average of 5 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  9. 9.Marks of 4 friends in a quiz: 43, 35, 42, 80. What is their average mark?
  10. 10.Marks of 4 friends in a quiz: 66, 75, 84, 95. What is their average mark?
  11. 11.Marks of 5 friends in a quiz: 47, 36, 38, 55, 54. What is their average mark?
  12. 12.Marks of 4 friends in a quiz: 73, 55, 78, 66. What is their average mark?
  13. 13.Arjun’s batting average after 9 innings is 36 runs. How many runs must Arjun score in the next innings to raise the average to 38?
  14. 14.Marks of 6 friends in a quiz: 35, 30, 23, 48, 25, 55. What is their average mark?
  15. 15.Marks of 5 friends in a quiz: 63, 80, 57, 84, 76. What is their average mark?
  16. 16.The average of 7 numbers is 28. When one more number is added, the average becomes 33. What number was added?
  17. 17.Marks of 4 friends in a quiz: 60, 61, 63, 24. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 57, 61, 64, 38. What is their average mark?
  19. 19.Karan’s batting average after 5 innings is 48 runs. How many runs must Karan score in the next innings to raise the average to 49?
  20. 20.The average weight of 8 children is 27 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Kavya’s batting average after 13 innings is 34 runs. How many runs must Kavya score in the next innings to raise the average to 39?
  22. 22.Rohan’s batting average after 10 innings is 24 runs. How many runs must Rohan score in the next innings to raise the average to 28?
  23. 23.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)?
  24. 24.Marks of 6 friends in a quiz: 66, 82, 75, 83, 62, 64. What is their average mark?
  25. 25.Dev’s batting average after 14 innings is 27 runs. How many runs must Dev score in the next innings to raise the average to 30?
  26. 26.A shop sells an average of 67 kg of sugar a day for 2 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  27. 27.A shop sells an average of 21 kg of sugar a day for 4 days, and then 75 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  28. 28.Marks of 6 friends in a quiz: 73, 100, 76, 79, 91, 91. What is their average mark?
  29. 29.Farhan’s batting average after 7 innings is 26 runs. How many runs must Farhan score in the next innings to raise the average to 28?
  30. 30.Marks of 5 friends in a quiz: 84, 72, 84, 99, 91. What is their average mark?
  31. 31.The average weight of 10 children is 42 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 6 friends in a quiz: 25, 34, 17, 18, 36, 44. What is their average mark?
  33. 33.The average of 8 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  34. 34.The average weight of 10 children is 46 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average weight of 12 children is 46 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 5 friends in a quiz: 55, 64, 71, 77, 78. What is their average mark?
  37. 37.Marks of 4 friends in a quiz: 50, 65, 40, 53. What is their average mark?
  38. 38.The average of 4 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  39. 39.The average of 6 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  40. 40.The average of 6 numbers is 25. When one more number is added, the average becomes 31. What number was added?

Answer key

  1. 66
  2. 62
  3. 48
  4. 34
  5. 77
  6. 21
  7. 28
  8. 34
  9. 50
  10. 80
  11. 46
  12. 68
  13. 56
  14. 36
  15. 72
  16. 68
  17. 52
  18. 55
  19. 54
  20. 26
  21. 104
  22. 68
  23. 45
  24. 72
  25. 72
  26. 43
  27. 48
  28. 85
  29. 42
  30. 86
  31. 41
  32. 29
  33. 61
  34. 44
  35. 45
  36. 69
  37. 52
  38. 32
  39. 43
  40. 67

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