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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 103 · 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 weight of 10 children is 42 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 11 children is 33 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Marks of 4 friends in a quiz: 77, 84, 100, 95. What is their average mark?
  4. 4.A shop sells an average of 59 kg of sugar a day for 2 days, and then 71 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.A shop sells an average of 29 kg of sugar a day for 2 days, and then 65 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.Nisha’s batting average after 11 innings is 31 runs. How many runs must Nisha score in the next innings to raise the average to 35?
  7. 7.The average of 4 numbers is 44. When one more number is added, the average becomes 49. What number was added?
  8. 8.Priya’s batting average after 5 innings is 31 runs. How many runs must Priya score in the next innings to raise the average to 32?
  9. 9.Marks of 4 friends in a quiz: 75, 70, 75, 76. What is their average mark?
  10. 10.The average weight of 6 children is 28 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.A shop sells an average of 80 kg of sugar a day for 6 days, and then 60 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  12. 12.Marks of 6 friends in a quiz: 71, 63, 65, 64, 61, 48. 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.The average of 8 numbers is 26. When one more number is added, the average becomes 29. What number was added?
  15. 15.The average weight of 5 children is 34 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average weight of 8 children is 37 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 30 kg of sugar a day for 6 days, and then 42 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  18. 18.Marks of 6 friends in a quiz: 32, 19, 34, 23, 46, 38. What is their average mark?
  19. 19.A shop sells an average of 70 kg of sugar a day for 2 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  20. 20.Marks of 5 friends in a quiz: 67, 55, 49, 67, 72. What is their average mark?
  21. 21.The average of 9 numbers is 15. When one more number is added, the average becomes 21. What number was added?
  22. 22.The average of 9 numbers is 17. When one more number is added, the average becomes 23. What number was added?
  23. 23.Saanvi’s batting average after 10 innings is 47 runs. How many runs must Saanvi score in the next innings to raise the average to 52?
  24. 24.The average of 6 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  25. 25.Marks of 6 friends in a quiz: 42, 67, 50, 57, 52, 74. What is their average mark?
  26. 26.The average of 8 numbers is 51. When one more number is added, the average becomes 56. What number was added?
  27. 27.The average of 4 numbers is 47. When one more number is added, the average becomes 51. What number was added?
  28. 28.A shop sells an average of 59 kg of sugar a day for 4 days, and then 39 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.The average of 5 numbers is 53. When one more number is added, the average becomes 58. What number was added?
  30. 30.The average of 7 numbers is 15. When one more number is added, the average becomes 18. What number was added?
  31. 31.A shop sells an average of 56 kg of sugar a day for 3 days, and then 49 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  32. 32.A shop sells an average of 30 kg of sugar a day for 2 days, and then 27 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.Meera’s batting average after 7 innings is 40 runs. How many runs must Meera score in the next innings to raise the average to 43?
  34. 34.Marks of 4 friends in a quiz: 95, 83, 70, 84. What is their average mark?
  35. 35.Marks of 5 friends in a quiz: 51, 45, 54, 61, 89. What is their average mark?
  36. 36.The average weight of 7 children is 42 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.A shop sells an average of 23 kg of sugar a day for 4 days, and then 68 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.A shop sells an average of 40 kg of sugar a day for 6 days, and then 50 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  39. 39.The average of 6 numbers is 19. When one more number is added, the average becomes 25. What number was added?
  40. 40.The average of 7 numbers is 16. When one more number is added, the average becomes 17. What number was added?

Answer key

  1. 40
  2. 31
  3. 89
  4. 67
  5. 53
  6. 79
  7. 69
  8. 37
  9. 74
  10. 27
  11. 70
  12. 62
  13. 56
  14. 53
  15. 33
  16. 36
  17. 36
  18. 32
  19. 66
  20. 62
  21. 75
  22. 77
  23. 102
  24. 53
  25. 57
  26. 96
  27. 67
  28. 49
  29. 83
  30. 39
  31. 52
  32. 28
  33. 64
  34. 83
  35. 60
  36. 40
  37. 38
  38. 44
  39. 61
  40. 24

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