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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 348 · 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.Marks of 6 friends in a quiz: 80, 83, 85, 83, 63, 74. What is their average mark?
  2. 2.The average of 5 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  3. 3.The average weight of 9 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average weight of 9 children is 43 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Aarav’s batting average after 10 innings is 46 runs. How many runs must Aarav score in the next innings to raise the average to 49?
  6. 6.A shop sells an average of 29 kg of sugar a day for 6 days, and then 59 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  7. 7.The average weight of 9 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Diya’s batting average after 9 innings is 43 runs. How many runs must Diya score in the next innings to raise the average to 47?
  9. 9.The average weight of 6 children is 29 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Tara’s batting average after 11 innings is 49 runs. How many runs must Tara score in the next innings to raise the average to 54?
  11. 11.The average of 4 numbers is 57. When one more number is added, the average becomes 59. What number was added?
  12. 12.Ishaan’s batting average after 9 innings is 22 runs. How many runs must Ishaan score in the next innings to raise the average to 23?
  13. 13.The average of 9 numbers is 21. When one more number is added, the average becomes 26. What number was added?
  14. 14.The average of 4 numbers is 37. When one more number is added, the average becomes 40. What number was added?
  15. 15.The average of 7 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  16. 16.Arjun’s batting average after 14 innings is 50 runs. How many runs must Arjun score in the next innings to raise the average to 55?
  17. 17.A shop sells an average of 64 kg of sugar a day for 5 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  18. 18.The average of 8 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  19. 19.Aarav’s batting average after 14 innings is 42 runs. How many runs must Aarav score in the next innings to raise the average to 43?
  20. 20.Marks of 5 friends in a quiz: 74, 56, 58, 84, 83. What is their average mark?
  21. 21.Rohan’s batting average after 12 innings is 37 runs. How many runs must Rohan score in the next innings to raise the average to 42?
  22. 22.The average weight of 6 children is 32 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 4 friends in a quiz: 29, 14, 15, 30. What is their average mark?
  24. 24.A shop sells an average of 34 kg of sugar a day for 5 days, and then 32 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  25. 25.Sneha’s batting average after 7 innings is 20 runs. How many runs must Sneha score in the next innings to raise the average to 22?
  26. 26.A shop sells an average of 41 kg of sugar a day for 4 days, and then 27 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  27. 27.Marks of 6 friends in a quiz: 61, 89, 79, 69, 88, 58. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 47, 43, 44, 22. What is their average mark?
  29. 29.Marks of 6 friends in a quiz: 72, 56, 46, 53, 53, 86. What is their average mark?
  30. 30.A shop sells an average of 69 kg of sugar a day for 5 days, and then 33 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  31. 31.A shop sells an average of 40 kg of sugar a day for 4 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  32. 32.A shop sells an average of 31 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)?
  33. 33.Priya’s batting average after 15 innings is 24 runs. How many runs must Priya score in the next innings to raise the average to 29?
  34. 34.The average of 4 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  35. 35.A shop sells an average of 27 kg of sugar a day for 2 days, and then 37 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  36. 36.Marks of 4 friends in a quiz: 35, 18, 17, 22. What is their average mark?
  37. 37.A shop sells an average of 50 kg of sugar a day for 6 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  38. 38.A shop sells an average of 24 kg of sugar a day for 2 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  39. 39.A shop sells an average of 44 kg of sugar a day for 4 days, and then 23 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.Isha’s batting average after 10 innings is 25 runs. How many runs must Isha score in the next innings to raise the average to 26?

Answer key

  1. 78
  2. 52
  3. 34
  4. 41
  5. 79
  6. 39
  7. 40
  8. 83
  9. 26
  10. 109
  11. 67
  12. 32
  13. 71
  14. 52
  15. 33
  16. 125
  17. 52
  18. 57
  19. 57
  20. 71
  21. 102
  22. 31
  23. 22
  24. 33
  25. 36
  26. 34
  27. 74
  28. 39
  29. 61
  30. 51
  31. 38
  32. 53
  33. 104
  34. 40
  35. 33
  36. 23
  37. 43
  38. 48
  39. 37
  40. 36

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