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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 159 · 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: 75, 51, 53, 77, 66, 68. What is their average mark?
  2. 2.Isha’s batting average after 5 innings is 39 runs. How many runs must Isha score in the next innings to raise the average to 40?
  3. 3.Marks of 5 friends in a quiz: 19, 31, 15, 22, 18. What is their average mark?
  4. 4.A shop sells an average of 40 kg of sugar a day for 2 days, and then 70 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  5. 5.Marks of 5 friends in a quiz: 22, 17, 31, 39, 11. What is their average mark?
  6. 6.Marks of 5 friends in a quiz: 65, 45, 67, 56, 52. What is their average mark?
  7. 7.Marks of 4 friends in a quiz: 72, 79, 69, 80. What is their average mark?
  8. 8.The average weight of 9 children is 42 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 4 numbers is 49. When one more number is added, the average becomes 55. What number was added?
  10. 10.The average of 6 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  11. 11.Kavya’s batting average after 8 innings is 49 runs. How many runs must Kavya score in the next innings to raise the average to 53?
  12. 12.Marks of 4 friends in a quiz: 42, 59, 37, 50. What is their average mark?
  13. 13.The average weight of 12 children is 27 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.A shop sells an average of 37 kg of sugar a day for 6 days, and then 45 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  15. 15.The average of 7 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  16. 16.A shop sells an average of 50 kg of sugar a day for 4 days, and then 44 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  17. 17.The average weight of 6 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 26 kg of sugar a day for 2 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  19. 19.Marks of 4 friends in a quiz: 79, 84, 89, 48. What is their average mark?
  20. 20.The average of 6 numbers is 48. When one more number is added, the average becomes 49. What number was added?
  21. 21.A shop sells an average of 26 kg of sugar a day for 6 days, and then 68 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  22. 22.The average of 7 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  23. 23.The average of 5 numbers is 59. When one more number is added, the average becomes 61. What number was added?
  24. 24.The average of 6 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  25. 25.Nisha’s batting average after 7 innings is 43 runs. How many runs must Nisha score in the next innings to raise the average to 45?
  26. 26.A shop sells an average of 32 kg of sugar a day for 4 days, and then 56 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  27. 27.The average weight of 12 children is 34 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 4 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  29. 29.A shop sells an average of 39 kg of sugar a day for 3 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  30. 30.Saanvi’s batting average after 11 innings is 47 runs. How many runs must Saanvi score in the next innings to raise the average to 51?
  31. 31.A shop sells an average of 31 kg of sugar a day for 3 days, and then 52 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  32. 32.A shop sells an average of 28 kg of sugar a day for 6 days, and then 40 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  33. 33.The average of 4 numbers is 42. When one more number is added, the average becomes 45. What number was added?
  34. 34.The average of 6 numbers is 34. When one more number is added, the average becomes 36. What number was added?
  35. 35.The average weight of 8 children is 27 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 5 friends in a quiz: 62, 49, 59, 64, 81. What is their average mark?
  37. 37.Vivaan’s batting average after 11 innings is 30 runs. How many runs must Vivaan score in the next innings to raise the average to 33?
  38. 38.The average weight of 9 children is 38 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Rahul’s batting average after 10 innings is 21 runs. How many runs must Rahul score in the next innings to raise the average to 24?
  40. 40.A shop sells an average of 69 kg of sugar a day for 4 days, and then 41 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?

Answer key

  1. 65
  2. 45
  3. 21
  4. 55
  5. 24
  6. 57
  7. 75
  8. 40
  9. 79
  10. 48
  11. 85
  12. 47
  13. 26
  14. 41
  15. 47
  16. 47
  17. 30
  18. 33
  19. 75
  20. 55
  21. 47
  22. 58
  23. 71
  24. 27
  25. 59
  26. 40
  27. 33
  28. 42
  29. 35
  30. 95
  31. 43
  32. 32
  33. 57
  34. 48
  35. 26
  36. 63
  37. 66
  38. 37
  39. 54
  40. 57

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