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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 145 · 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: 40, 33, 48, 61, 49, 51. What is their average mark?
  2. 2.Marks of 4 friends in a quiz: 86, 92, 74, 76. What is their average mark?
  3. 3.Kavya’s batting average after 13 innings is 37 runs. How many runs must Kavya score in the next innings to raise the average to 39?
  4. 4.A shop sells an average of 34 kg of sugar a day for 5 days, and then 52 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  5. 5.A shop sells an average of 25 kg of sugar a day for 4 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.The average weight of 5 children is 28 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 53 kg of sugar a day for 2 days, and then 25 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.A shop sells an average of 36 kg of sugar a day for 3 days, and then 76 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  9. 9.The average of 6 numbers is 30. When one more number is added, the average becomes 31. What number was added?
  10. 10.The average weight of 10 children is 30 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Vivaan’s batting average after 9 innings is 40 runs. How many runs must Vivaan score in the next innings to raise the average to 44?
  12. 12.The average weight of 11 children is 43 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average weight of 5 children is 26 kg. One child, who weighs 30 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.A shop sells an average of 52 kg of sugar a day for 4 days, and then 38 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  15. 15.A shop sells an average of 65 kg of sugar a day for 6 days, and then 77 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  16. 16.The average of 5 numbers is 55. When one more number is added, the average becomes 56. What number was added?
  17. 17.A shop sells an average of 73 kg of sugar a day for 2 days, and then 70 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.Nisha’s batting average after 8 innings is 21 runs. How many runs must Nisha score in the next innings to raise the average to 23?
  19. 19.Marks of 4 friends in a quiz: 71, 67, 55, 67. What is their average mark?
  20. 20.The average of 4 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  21. 21.Marks of 4 friends in a quiz: 55, 61, 69, 91. What is their average mark?
  22. 22.Marks of 5 friends in a quiz: 65, 64, 67, 74, 75. What is their average mark?
  23. 23.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Meera’s batting average after 13 innings is 41 runs. How many runs must Meera score in the next innings to raise the average to 44?
  25. 25.The average weight of 6 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 4 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  27. 27.The average of 4 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  28. 28.The average of 7 numbers is 56. When one more number is added, the average becomes 62. What number was added?
  29. 29.The average weight of 11 children is 45 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.A shop sells an average of 25 kg of sugar a day for 3 days, and then 22 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  31. 31.The average of 6 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  32. 32.The average of 7 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  33. 33.The average of 7 numbers is 29. When one more number is added, the average becomes 31. What number was added?
  34. 34.Dev’s batting average after 11 innings is 49 runs. How many runs must Dev score in the next innings to raise the average to 50?
  35. 35.Marks of 6 friends in a quiz: 12, 33, 11, 36, 9, 25. What is their average mark?
  36. 36.A shop sells an average of 40 kg of sugar a day for 3 days, and then 34 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  37. 37.Kabir’s batting average after 10 innings is 48 runs. How many runs must Kabir score in the next innings to raise the average to 51?
  38. 38.Marks of 5 friends in a quiz: 83, 78, 97, 74, 93. What is their average mark?
  39. 39.The average of 8 numbers is 16. When one more number is added, the average becomes 20. What number was added?
  40. 40.The average weight of 9 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 47
  2. 82
  3. 65
  4. 42
  5. 28
  6. 25
  7. 32
  8. 56
  9. 37
  10. 28
  11. 80
  12. 41
  13. 25
  14. 46
  15. 71
  16. 61
  17. 71
  18. 39
  19. 65
  20. 45
  21. 69
  22. 69
  23. 27
  24. 83
  25. 29
  26. 63
  27. 40
  28. 104
  29. 42
  30. 23
  31. 44
  32. 38
  33. 45
  34. 61
  35. 21
  36. 36
  37. 81
  38. 85
  39. 52
  40. 36

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