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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 517 · 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 47 kg. One child, who weighs 74 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 9 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  3. 3.A shop sells an average of 30 kg of sugar a day for 3 days, and then 72 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  4. 4.The average weight of 9 children is 27 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average weight of 12 children is 39 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 4 friends in a quiz: 12, 39, 24, 21. What is their average mark?
  7. 7.Aditya’s batting average after 11 innings is 36 runs. How many runs must Aditya score in the next innings to raise the average to 37?
  8. 8.Kabir’s batting average after 13 innings is 29 runs. How many runs must Kabir score in the next innings to raise the average to 32?
  9. 9.A shop sells an average of 28 kg of sugar a day for 5 days, and then 64 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  10. 10.Diya’s batting average after 8 innings is 33 runs. How many runs must Diya score in the next innings to raise the average to 34?
  11. 11.A shop sells an average of 45 kg of sugar a day for 6 days, and then 34 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  12. 12.Dev’s batting average after 9 innings is 24 runs. How many runs must Dev score in the next innings to raise the average to 25?
  13. 13.The average weight of 11 children is 37 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average weight of 11 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Nisha’s batting average after 11 innings is 47 runs. How many runs must Nisha score in the next innings to raise the average to 48?
  16. 16.The average of 5 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  17. 17.Nisha’s batting average after 8 innings is 46 runs. How many runs must Nisha score in the next innings to raise the average to 47?
  18. 18.The average weight of 10 children is 32 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 6 numbers is 38. When one more number is added, the average becomes 40. What number was added?
  20. 20.A shop sells an average of 57 kg of sugar a day for 2 days, and then 23 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  21. 21.Kavya’s batting average after 11 innings is 38 runs. How many runs must Kavya score in the next innings to raise the average to 43?
  22. 22.Kabir’s batting average after 6 innings is 33 runs. How many runs must Kabir score in the next innings to raise the average to 34?
  23. 23.The average of 5 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  24. 24.A shop sells an average of 29 kg of sugar a day for 2 days, and then 53 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.Kabir’s batting average after 14 innings is 33 runs. How many runs must Kabir score in the next innings to raise the average to 36?
  26. 26.A shop sells an average of 20 kg of sugar a day for 3 days, and then 44 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  27. 27.A shop sells an average of 67 kg of sugar a day for 2 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  28. 28.A shop sells an average of 45 kg of sugar a day for 3 days, and then 65 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.A shop sells an average of 25 kg of sugar a day for 3 days, and then 39 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  30. 30.Kavya’s batting average after 7 innings is 41 runs. How many runs must Kavya score in the next innings to raise the average to 46?
  31. 31.The average of 8 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  32. 32.The average weight of 6 children is 35 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average weight of 9 children is 41 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average of 7 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  35. 35.The average weight of 5 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average weight of 6 children is 29 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Diya’s batting average after 9 innings is 26 runs. How many runs must Diya score in the next innings to raise the average to 31?
  38. 38.A shop sells an average of 51 kg of sugar a day for 2 days, and then 56 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  39. 39.The average of 5 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  40. 40.The average weight of 9 children is 34 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 44
  2. 76
  3. 58
  4. 25
  5. 36
  6. 24
  7. 48
  8. 71
  9. 46
  10. 42
  11. 40
  12. 34
  13. 35
  14. 31
  15. 59
  16. 57
  17. 55
  18. 29
  19. 52
  20. 40
  21. 98
  22. 40
  23. 79
  24. 45
  25. 78
  26. 35
  27. 70
  28. 55
  29. 33
  30. 81
  31. 77
  32. 33
  33. 38
  34. 36
  35. 27
  36. 28
  37. 76
  38. 54
  39. 73
  40. 33

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