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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 9 · 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: 65, 72, 76, 78, 66, 63. What is their average mark?
  2. 2.A shop sells an average of 40 kg of sugar a day for 2 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.Saanvi’s batting average after 6 innings is 33 runs. How many runs must Saanvi score in the next innings to raise the average to 38?
  4. 4.Marks of 6 friends in a quiz: 71, 70, 58, 68, 69, 96. What is their average mark?
  5. 5.A shop sells an average of 68 kg of sugar a day for 5 days, and then 24 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  6. 6.The average of 8 numbers is 34. When one more number is added, the average becomes 37. What number was added?
  7. 7.The average weight of 11 children is 39 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 4 friends in a quiz: 49, 44, 19, 24. What is their average mark?
  9. 9.The average weight of 6 children is 40 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 11 children is 28 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Aditya’s batting average after 12 innings is 32 runs. How many runs must Aditya score in the next innings to raise the average to 37?
  12. 12.The average weight of 8 children is 42 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average weight of 12 children is 31 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Rahul’s batting average after 6 innings is 39 runs. How many runs must Rahul score in the next innings to raise the average to 44?
  15. 15.Marks of 5 friends in a quiz: 73, 96, 96, 87, 78. What is their average mark?
  16. 16.Pooja’s batting average after 10 innings is 38 runs. How many runs must Pooja score in the next innings to raise the average to 39?
  17. 17.The average weight of 5 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 5 friends in a quiz: 86, 85, 77, 91, 51. What is their average mark?
  19. 19.The average weight of 7 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.A shop sells an average of 38 kg of sugar a day for 6 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  21. 21.Marks of 6 friends in a quiz: 72, 48, 67, 69, 56, 30. What is their average mark?
  22. 22.The average weight of 6 children is 43 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 5 children is 40 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 10 children is 39 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 5 friends in a quiz: 57, 66, 67, 53, 82. What is their average mark?
  26. 26.Aarav’s batting average after 12 innings is 22 runs. How many runs must Aarav score in the next innings to raise the average to 27?
  27. 27.Isha’s batting average after 10 innings is 40 runs. How many runs must Isha score in the next innings to raise the average to 44?
  28. 28.Vivaan’s batting average after 14 innings is 28 runs. How many runs must Vivaan score in the next innings to raise the average to 29?
  29. 29.Marks of 4 friends in a quiz: 83, 64, 60, 89. What is their average mark?
  30. 30.The average of 5 numbers is 28. When one more number is added, the average becomes 30. What number was added?
  31. 31.Marks of 4 friends in a quiz: 71, 81, 90, 98. What is their average mark?
  32. 32.A shop sells an average of 44 kg of sugar a day for 3 days, and then 51 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  33. 33.The average of 9 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  34. 34.The average of 5 numbers is 37. When one more number is added, the average becomes 42. What number was added?
  35. 35.The average weight of 8 children is 43 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Aarav’s batting average after 5 innings is 32 runs. How many runs must Aarav score in the next innings to raise the average to 33?
  37. 37.Marks of 6 friends in a quiz: 25, 27, 29, 20, 45, 40. What is their average mark?
  38. 38.Sneha’s batting average after 6 innings is 27 runs. How many runs must Sneha score in the next innings to raise the average to 30?
  39. 39.A shop sells an average of 49 kg of sugar a day for 2 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  40. 40.The average weight of 5 children is 29 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 70
  2. 35
  3. 68
  4. 72
  5. 44
  6. 61
  7. 38
  8. 34
  9. 39
  10. 26
  11. 97
  12. 40
  13. 30
  14. 74
  15. 86
  16. 49
  17. 35
  18. 78
  19. 31
  20. 32
  21. 57
  22. 42
  23. 39
  24. 37
  25. 65
  26. 87
  27. 84
  28. 43
  29. 74
  30. 40
  31. 85
  32. 48
  33. 88
  34. 67
  35. 42
  36. 38
  37. 31
  38. 48
  39. 42
  40. 28

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