← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 333 · 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 5 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  2. 2.Marks of 4 friends in a quiz: 22, 8, 31, 31. What is their average mark?
  3. 3.A shop sells an average of 78 kg of sugar a day for 6 days, and then 66 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  4. 4.The average of 5 numbers is 20. When one more number is added, the average becomes 26. What number was added?
  5. 5.A shop sells an average of 52 kg of sugar a day for 4 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.The average of 5 numbers is 30. When one more number is added, the average becomes 31. What number was added?
  7. 7.Marks of 4 friends in a quiz: 59, 84, 59, 94. What is their average mark?
  8. 8.A shop sells an average of 20 kg of sugar a day for 4 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  9. 9.Marks of 5 friends in a quiz: 35, 50, 35, 54, 41. What is their average mark?
  10. 10.Marks of 4 friends in a quiz: 57, 65, 58, 52. What is their average mark?
  11. 11.Marks of 4 friends in a quiz: 58, 46, 48, 56. What is their average mark?
  12. 12.A shop sells an average of 63 kg of sugar a day for 3 days, and then 58 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  13. 13.Ananya’s batting average after 10 innings is 21 runs. How many runs must Ananya score in the next innings to raise the average to 22?
  14. 14.A shop sells an average of 56 kg of sugar a day for 2 days, and then 21 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  15. 15.The average of 5 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  16. 16.A shop sells an average of 63 kg of sugar a day for 3 days, and then 27 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 9 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  18. 18.Marks of 4 friends in a quiz: 55, 30, 34, 57. What is their average mark?
  19. 19.The average of 9 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  20. 20.The average weight of 7 children is 34 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average weight of 11 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 5 friends in a quiz: 63, 51, 44, 53, 84. What is their average mark?
  23. 23.The average of 8 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  24. 24.Tara’s batting average after 10 innings is 23 runs. How many runs must Tara score in the next innings to raise the average to 25?
  25. 25.A shop sells an average of 55 kg of sugar a day for 2 days, and then 61 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  26. 26.The average of 7 numbers is 54. When one more number is added, the average becomes 59. What number was added?
  27. 27.The average of 5 numbers is 51. When one more number is added, the average becomes 52. What number was added?
  28. 28.Aarav’s batting average after 7 innings is 47 runs. How many runs must Aarav score in the next innings to raise the average to 48?
  29. 29.A shop sells an average of 64 kg of sugar a day for 2 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.Marks of 4 friends in a quiz: 61, 62, 66, 63. What is their average mark?
  31. 31.Marks of 6 friends in a quiz: 76, 59, 78, 89, 63, 79. What is their average mark?
  32. 32.A shop sells an average of 39 kg of sugar a day for 4 days, and then 33 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  33. 33.The average of 5 numbers is 26. When one more number is added, the average becomes 32. What number was added?
  34. 34.Marks of 6 friends in a quiz: 76, 72, 92, 78, 73, 89. What is their average mark?
  35. 35.Marks of 4 friends in a quiz: 37, 39, 34, 6. What is their average mark?
  36. 36.Marks of 6 friends in a quiz: 13, 35, 15, 14, 23, 44. What is their average mark?
  37. 37.Marks of 4 friends in a quiz: 32, 26, 38, 8. What is their average mark?
  38. 38.Zoya’s batting average after 7 innings is 33 runs. How many runs must Zoya score in the next innings to raise the average to 36?
  39. 39.The average weight of 5 children is 31 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average of 4 numbers is 15. When one more number is added, the average becomes 17. What number was added?

Answer key

  1. 25
  2. 23
  3. 75
  4. 56
  5. 64
  6. 36
  7. 74
  8. 28
  9. 43
  10. 58
  11. 52
  12. 61
  13. 32
  14. 31
  15. 53
  16. 39
  17. 55
  18. 44
  19. 54
  20. 33
  21. 35
  22. 59
  23. 71
  24. 45
  25. 58
  26. 94
  27. 57
  28. 55
  29. 42
  30. 63
  31. 74
  32. 36
  33. 62
  34. 80
  35. 29
  36. 24
  37. 26
  38. 57
  39. 29
  40. 25

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude