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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 588 · 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 54. When one more number is added, the average becomes 57. What number was added?
  2. 2.The average weight of 12 children is 37 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average weight of 9 children is 41 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Marks of 6 friends in a quiz: 17, 23, 8, 9, 23, 46. What is their average mark?
  5. 5.The average of 6 numbers is 26. When one more number is added, the average becomes 32. What number was added?
  6. 6.Rohan’s batting average after 5 innings is 49 runs. How many runs must Rohan score in the next innings to raise the average to 53?
  7. 7.Marks of 4 friends in a quiz: 13, 10, 34, 35. What is their average mark?
  8. 8.The average of 9 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  9. 9.Manav’s batting average after 12 innings is 38 runs. How many runs must Manav score in the next innings to raise the average to 40?
  10. 10.Arjun’s batting average after 12 innings is 21 runs. How many runs must Arjun score in the next innings to raise the average to 23?
  11. 11.Tara’s batting average after 14 innings is 43 runs. How many runs must Tara score in the next innings to raise the average to 47?
  12. 12.The average of 6 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  13. 13.The average of 8 numbers is 21. When one more number is added, the average becomes 26. What number was added?
  14. 14.A shop sells an average of 40 kg of sugar a day for 6 days, and then 80 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  15. 15.The average weight of 7 children is 40 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Manav’s batting average after 7 innings is 21 runs. How many runs must Manav score in the next innings to raise the average to 25?
  17. 17.A shop sells an average of 40 kg of sugar a day for 2 days, and then 43 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.The average of 4 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  19. 19.The average weight of 5 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average weight of 6 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average of 9 numbers is 46. When one more number is added, the average becomes 48. What number was added?
  22. 22.The average weight of 9 children is 39 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.A shop sells an average of 43 kg of sugar a day for 3 days, and then 79 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  24. 24.Marks of 6 friends in a quiz: 35, 42, 57, 48, 54, 52. What is their average mark?
  25. 25.The average weight of 6 children is 44 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average weight of 8 children is 35 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 5 children is 32 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 6 friends in a quiz: 80, 88, 59, 85, 78, 54. What is their average mark?
  29. 29.Sneha’s batting average after 13 innings is 50 runs. How many runs must Sneha score in the next innings to raise the average to 53?
  30. 30.Marks of 4 friends in a quiz: 24, 14, 39, 35. What is their average mark?
  31. 31.Marks of 5 friends in a quiz: 76, 73, 68, 70, 43. What is their average mark?
  32. 32.Marks of 4 friends in a quiz: 33, 18, 24, 53. What is their average mark?
  33. 33.A shop sells an average of 77 kg of sugar a day for 3 days, and then 42 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  34. 34.The average of 8 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  35. 35.Zoya’s batting average after 8 innings is 41 runs. How many runs must Zoya score in the next innings to raise the average to 44?
  36. 36.Marks of 5 friends in a quiz: 84, 88, 60, 81, 52. What is their average mark?
  37. 37.The average weight of 6 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.A shop sells an average of 23 kg of sugar a day for 5 days, and then 63 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  39. 39.The average of 9 numbers is 25. When one more number is added, the average becomes 27. What number was added?
  40. 40.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)?

Answer key

  1. 84
  2. 36
  3. 38
  4. 21
  5. 68
  6. 73
  7. 23
  8. 83
  9. 64
  10. 47
  11. 103
  12. 48
  13. 66
  14. 56
  15. 37
  16. 53
  17. 42
  18. 26
  19. 41
  20. 25
  21. 66
  22. 36
  23. 61
  24. 48
  25. 42
  26. 32
  27. 29
  28. 74
  29. 92
  30. 28
  31. 66
  32. 32
  33. 57
  34. 24
  35. 68
  36. 73
  37. 28
  38. 38
  39. 45
  40. 31

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