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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 394 · 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 of 5 numbers is 59. When one more number is added, the average becomes 62. What number was added?
  2. 2.Ishaan’s batting average after 10 innings is 41 runs. How many runs must Ishaan score in the next innings to raise the average to 43?
  3. 3.The average weight of 11 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average weight of 9 children is 48 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average of 4 numbers is 36. When one more number is added, the average becomes 39. What number was added?
  6. 6.Marks of 6 friends in a quiz: 17, 23, 30, 37, 44, 35. What is their average mark?
  7. 7.The average weight of 9 children is 44 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 6 friends in a quiz: 80, 74, 87, 91, 68, 92. What is their average mark?
  9. 9.A shop sells an average of 28 kg of sugar a day for 4 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  10. 10.The average weight of 8 children is 44 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Saanvi’s batting average after 10 innings is 45 runs. How many runs must Saanvi score in the next innings to raise the average to 50?
  12. 12.The average of 7 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  13. 13.The average weight of 7 children is 37 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 6 friends in a quiz: 50, 42, 56, 52, 51, 85. What is their average mark?
  15. 15.Marks of 6 friends in a quiz: 38, 11, 33, 15, 11, 30. What is their average mark?
  16. 16.The average of 4 numbers is 22. When one more number is added, the average becomes 27. What number was added?
  17. 17.Marks of 4 friends in a quiz: 35, 13, 38, 26. What is their average mark?
  18. 18.The average of 8 numbers is 42. When one more number is added, the average becomes 48. What number was added?
  19. 19.Rahul’s batting average after 14 innings is 37 runs. How many runs must Rahul score in the next innings to raise the average to 42?
  20. 20.Meera’s batting average after 9 innings is 25 runs. How many runs must Meera score in the next innings to raise the average to 29?
  21. 21.Marks of 4 friends in a quiz: 44, 20, 20, 56. What is their average mark?
  22. 22.The average weight of 10 children is 29 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.A shop sells an average of 55 kg of sugar a day for 4 days, and then 57 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.Saanvi’s batting average after 5 innings is 34 runs. How many runs must Saanvi score in the next innings to raise the average to 35?
  25. 25.A shop sells an average of 22 kg of sugar a day for 5 days, and then 50 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  26. 26.Marks of 4 friends in a quiz: 84, 94, 85, 81. What is their average mark?
  27. 27.The average weight of 11 children is 46 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Meera’s batting average after 14 innings is 43 runs. How many runs must Meera score in the next innings to raise the average to 44?
  29. 29.The average weight of 12 children is 41 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 4 numbers is 17. When one more number is added, the average becomes 23. What number was added?
  31. 31.Aditya’s batting average after 7 innings is 41 runs. How many runs must Aditya score in the next innings to raise the average to 45?
  32. 32.The average of 6 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  33. 33.Marks of 4 friends in a quiz: 67, 83, 66, 88. What is their average mark?
  34. 34.The average of 9 numbers is 29. When one more number is added, the average becomes 30. What number was added?
  35. 35.The average weight of 9 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Tara’s batting average after 9 innings is 45 runs. How many runs must Tara score in the next innings to raise the average to 47?
  37. 37.Ishaan’s batting average after 11 innings is 49 runs. How many runs must Ishaan score in the next innings to raise the average to 51?
  38. 38.The average weight of 11 children is 35 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 5 friends in a quiz: 86, 89, 91, 88, 86. What is their average mark?
  40. 40.Arjun’s batting average after 7 innings is 41 runs. How many runs must Arjun score in the next innings to raise the average to 45?

Answer key

  1. 77
  2. 63
  3. 26
  4. 45
  5. 51
  6. 31
  7. 43
  8. 82
  9. 26
  10. 41
  11. 100
  12. 65
  13. 36
  14. 56
  15. 23
  16. 47
  17. 28
  18. 96
  19. 112
  20. 65
  21. 35
  22. 28
  23. 56
  24. 40
  25. 36
  26. 86
  27. 44
  28. 58
  29. 39
  30. 47
  31. 73
  32. 35
  33. 76
  34. 39
  35. 40
  36. 65
  37. 73
  38. 33
  39. 88
  40. 73

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