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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 589 · 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 12 children is 47 kg. One child, who weighs 80 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 12 children is 40 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 62 kg of sugar a day for 5 days, and then 22 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  4. 4.Ishaan’s batting average after 7 innings is 23 runs. How many runs must Ishaan score in the next innings to raise the average to 24?
  5. 5.The average of 7 numbers is 41. When one more number is added, the average becomes 42. What number was added?
  6. 6.A shop sells an average of 71 kg of sugar a day for 5 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  7. 7.The average of 7 numbers is 20. When one more number is added, the average becomes 22. What number was added?
  8. 8.The average of 7 numbers is 47. When one more number is added, the average becomes 49. What number was added?
  9. 9.Kabir’s batting average after 15 innings is 21 runs. How many runs must Kabir score in the next innings to raise the average to 24?
  10. 10.Marks of 4 friends in a quiz: 41, 20, 32, 31. What is their average mark?
  11. 11.Arjun’s batting average after 14 innings is 28 runs. How many runs must Arjun score in the next innings to raise the average to 31?
  12. 12.The average weight of 8 children is 42 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 5 numbers is 30. When one more number is added, the average becomes 31. What number was added?
  14. 14.Kabir’s batting average after 5 innings is 20 runs. How many runs must Kabir score in the next innings to raise the average to 22?
  15. 15.Nisha’s batting average after 12 innings is 46 runs. How many runs must Nisha score in the next innings to raise the average to 47?
  16. 16.The average of 4 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  17. 17.Manav’s batting average after 6 innings is 49 runs. How many runs must Manav score in the next innings to raise the average to 52?
  18. 18.Ishaan’s batting average after 9 innings is 50 runs. How many runs must Ishaan score in the next innings to raise the average to 55?
  19. 19.The average of 8 numbers is 57. When one more number is added, the average becomes 58. What number was added?
  20. 20.The average weight of 12 children is 36 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 6 friends in a quiz: 25, 22, 22, 29, 7, 21. What is their average mark?
  22. 22.The average of 6 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  23. 23.A shop sells an average of 57 kg of sugar a day for 3 days, and then 33 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  24. 24.The average weight of 10 children is 48 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Dev’s batting average after 11 innings is 30 runs. How many runs must Dev score in the next innings to raise the average to 34?
  26. 26.Nisha’s batting average after 7 innings is 41 runs. How many runs must Nisha score in the next innings to raise the average to 46?
  27. 27.Nisha’s batting average after 7 innings is 21 runs. How many runs must Nisha score in the next innings to raise the average to 24?
  28. 28.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)?
  29. 29.A shop sells an average of 28 kg of sugar a day for 4 days, and then 46 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  30. 30.Aarav’s batting average after 13 innings is 38 runs. How many runs must Aarav score in the next innings to raise the average to 39?
  31. 31.A shop sells an average of 69 kg of sugar a day for 4 days, and then 49 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  32. 32.The average weight of 7 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 9 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  34. 34.The average weight of 8 children is 31 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average of 6 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  36. 36.The average of 7 numbers is 33. When one more number is added, the average becomes 37. What number was added?
  37. 37.Kabir’s batting average after 15 innings is 45 runs. How many runs must Kabir score in the next innings to raise the average to 47?
  38. 38.Priya’s batting average after 5 innings is 39 runs. How many runs must Priya score in the next innings to raise the average to 40?
  39. 39.Ishaan’s batting average after 13 innings is 46 runs. How many runs must Ishaan score in the next innings to raise the average to 47?
  40. 40.A shop sells an average of 56 kg of sugar a day for 6 days, and then 24 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?

Answer key

  1. 44
  2. 39
  3. 42
  4. 31
  5. 49
  6. 61
  7. 36
  8. 63
  9. 69
  10. 31
  11. 73
  12. 41
  13. 36
  14. 32
  15. 59
  16. 31
  17. 70
  18. 100
  19. 66
  20. 34
  21. 21
  22. 49
  23. 41
  24. 45
  25. 78
  26. 81
  27. 45
  28. 35
  29. 38
  30. 52
  31. 57
  32. 37
  33. 36
  34. 29
  35. 38
  36. 65
  37. 77
  38. 45
  39. 60
  40. 40

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