← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 1 · 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 6 numbers is 58. When one more number is added, the average becomes 60. What number was added?
  2. 2.The average of 9 numbers is 17. When one more number is added, the average becomes 22. What number was added?
  3. 3.The average of 8 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  4. 4.Marks of 4 friends in a quiz: 23, 50, 49, 18. What is their average mark?
  5. 5.A shop sells an average of 50 kg of sugar a day for 3 days, and then 80 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  6. 6.Marks of 4 friends in a quiz: 30, 40, 48, 62. What is their average mark?
  7. 7.The average weight of 12 children is 30 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 5 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average weight of 7 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 6 friends in a quiz: 24, 28, 35, 25, 19, 43. What is their average mark?
  11. 11.The average of 4 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  12. 12.The average weight of 11 children is 39 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Rohan’s batting average after 10 innings is 41 runs. How many runs must Rohan score in the next innings to raise the average to 42?
  14. 14.The average weight of 10 children is 36 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 5 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  16. 16.Vivaan’s batting average after 9 innings is 20 runs. How many runs must Vivaan score in the next innings to raise the average to 22?
  17. 17.The average of 5 numbers is 46. When one more number is added, the average becomes 51. What number was added?
  18. 18.The average of 5 numbers is 18. When one more number is added, the average becomes 22. What number was added?
  19. 19.Marks of 6 friends in a quiz: 68, 49, 38, 48, 52, 63. What is their average mark?
  20. 20.The average of 9 numbers is 19. When one more number is added, the average becomes 21. What number was added?
  21. 21.The average weight of 10 children is 28 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.A shop sells an average of 38 kg of sugar a day for 4 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  23. 23.The average of 8 numbers is 39. When one more number is added, the average becomes 45. What number was added?
  24. 24.A shop sells an average of 35 kg of sugar a day for 2 days, and then 59 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.The average of 7 numbers is 26. When one more number is added, the average becomes 31. What number was added?
  26. 26.A shop sells an average of 34 kg of sugar a day for 4 days, and then 44 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  27. 27.The average weight of 6 children is 28 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 5 friends in a quiz: 90, 89, 99, 90, 77. What is their average mark?
  29. 29.Marks of 4 friends in a quiz: 26, 30, 13, 35. What is their average mark?
  30. 30.Marks of 4 friends in a quiz: 74, 73, 67, 74. What is their average mark?
  31. 31.Manav’s batting average after 13 innings is 32 runs. How many runs must Manav score in the next innings to raise the average to 37?
  32. 32.The average weight of 6 children is 45 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Pooja’s batting average after 15 innings is 20 runs. How many runs must Pooja score in the next innings to raise the average to 24?
  34. 34.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)?
  35. 35.The average weight of 10 children is 36 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 4 friends in a quiz: 40, 31, 57, 44. What is their average mark?
  37. 37.The average of 9 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  38. 38.The average of 9 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  39. 39.The average of 8 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  40. 40.Nisha’s batting average after 11 innings is 50 runs. How many runs must Nisha score in the next innings to raise the average to 55?

Answer key

  1. 72
  2. 67
  3. 56
  4. 35
  5. 62
  6. 45
  7. 28
  8. 30
  9. 26
  10. 29
  11. 52
  12. 36
  13. 52
  14. 34
  15. 45
  16. 40
  17. 76
  18. 42
  19. 53
  20. 39
  21. 26
  22. 36
  23. 93
  24. 51
  25. 66
  26. 39
  27. 25
  28. 89
  29. 26
  30. 72
  31. 102
  32. 44
  33. 84
  34. 34
  35. 35
  36. 43
  37. 68
  38. 38
  39. 63
  40. 110

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