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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 182 · 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 5 friends in a quiz: 39, 32, 44, 19, 31. What is their average mark?
  2. 2.Marks of 6 friends in a quiz: 64, 71, 61, 83, 66, 81. What is their average mark?
  3. 3.A shop sells an average of 36 kg of sugar a day for 3 days, and then 30 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.Marks of 4 friends in a quiz: 34, 48, 23, 35. What is their average mark?
  5. 5.A shop sells an average of 66 kg of sugar a day for 2 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.The average of 6 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  7. 7.The average weight of 12 children is 28 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Tara’s batting average after 11 innings is 30 runs. How many runs must Tara score in the next innings to raise the average to 31?
  9. 9.Nisha’s batting average after 12 innings is 22 runs. How many runs must Nisha score in the next innings to raise the average to 27?
  10. 10.Marks of 4 friends in a quiz: 51, 28, 42, 47. What is their average mark?
  11. 11.Marks of 5 friends in a quiz: 31, 14, 11, 19, 25. What is their average mark?
  12. 12.A shop sells an average of 33 kg of sugar a day for 3 days, and then 39 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  13. 13.The average weight of 6 children is 40 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 6 friends in a quiz: 80, 61, 73, 74, 72, 48. What is their average mark?
  15. 15.Marks of 4 friends in a quiz: 65, 72, 88, 95. What is their average mark?
  16. 16.Meera’s batting average after 14 innings is 30 runs. How many runs must Meera score in the next innings to raise the average to 32?
  17. 17.A shop sells an average of 79 kg of sugar a day for 3 days, and then 41 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.A shop sells an average of 61 kg of sugar a day for 6 days, and then 50 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  19. 19.The average weight of 9 children is 39 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Manav’s batting average after 7 innings is 47 runs. How many runs must Manav score in the next innings to raise the average to 51?
  21. 21.Marks of 6 friends in a quiz: 27, 46, 44, 31, 24, 20. What is their average mark?
  22. 22.A shop sells an average of 76 kg of sugar a day for 2 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  23. 23.Marks of 5 friends in a quiz: 83, 97, 78, 72, 95. What is their average mark?
  24. 24.Marks of 4 friends in a quiz: 25, 22, 11, 26. What is their average mark?
  25. 25.A shop sells an average of 53 kg of sugar a day for 2 days, and then 25 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  26. 26.The average of 8 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  27. 27.The average of 6 numbers is 42. When one more number is added, the average becomes 45. What number was added?
  28. 28.Marks of 4 friends in a quiz: 71, 70, 68, 63. What is their average mark?
  29. 29.The average of 4 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  30. 30.The average weight of 12 children is 44 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 6 friends in a quiz: 72, 52, 58, 55, 55, 98. What is their average mark?
  32. 32.A shop sells an average of 37 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)?
  33. 33.Pooja’s batting average after 8 innings is 46 runs. How many runs must Pooja score in the next innings to raise the average to 49?
  34. 34.Marks of 4 friends in a quiz: 23, 23, 19, 39. What is their average mark?
  35. 35.A shop sells an average of 60 kg of sugar a day for 6 days, and then 30 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  36. 36.The average of 9 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  37. 37.The average of 7 numbers is 58. When one more number is added, the average becomes 61. What number was added?
  38. 38.The average weight of 5 children is 43 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average weight of 8 children is 39 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Vivaan’s batting average after 9 innings is 27 runs. How many runs must Vivaan score in the next innings to raise the average to 32?

Answer key

  1. 33
  2. 71
  3. 33
  4. 35
  5. 46
  6. 42
  7. 25
  8. 42
  9. 87
  10. 42
  11. 20
  12. 37
  13. 37
  14. 68
  15. 80
  16. 60
  17. 60
  18. 56
  19. 37
  20. 79
  21. 32
  22. 50
  23. 85
  24. 21
  25. 39
  26. 70
  27. 63
  28. 68
  29. 47
  30. 43
  31. 65
  32. 59
  33. 73
  34. 26
  35. 48
  36. 41
  37. 82
  38. 40
  39. 38
  40. 77

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