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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 503 · 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 4 friends in a quiz: 32, 30, 44, 42. What is their average mark?
  2. 2.Marks of 6 friends in a quiz: 40, 17, 35, 16, 15, 33. What is their average mark?
  3. 3.Saanvi’s batting average after 15 innings is 25 runs. How many runs must Saanvi score in the next innings to raise the average to 27?
  4. 4.The average of 5 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  5. 5.The average of 4 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  6. 6.The average weight of 6 children is 30 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 6 children is 38 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 11 children is 34 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Vivaan’s batting average after 5 innings is 37 runs. How many runs must Vivaan score in the next innings to raise the average to 38?
  10. 10.The average weight of 8 children is 29 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Sneha’s batting average after 13 innings is 39 runs. How many runs must Sneha score in the next innings to raise the average to 41?
  12. 12.The average of 6 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  13. 13.The average weight of 9 children is 32 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average weight of 6 children is 42 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Aarav’s batting average after 9 innings is 49 runs. How many runs must Aarav score in the next innings to raise the average to 54?
  16. 16.Marks of 4 friends in a quiz: 42, 16, 15, 39. What is their average mark?
  17. 17.Dev’s batting average after 7 innings is 27 runs. How many runs must Dev score in the next innings to raise the average to 29?
  18. 18.A shop sells an average of 33 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)?
  19. 19.Marks of 6 friends in a quiz: 81, 66, 76, 55, 68, 50. What is their average mark?
  20. 20.The average of 8 numbers is 59. When one more number is added, the average becomes 64. What number was added?
  21. 21.Marks of 4 friends in a quiz: 56, 55, 58, 75. What is their average mark?
  22. 22.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)?
  23. 23.Ananya’s batting average after 15 innings is 28 runs. How many runs must Ananya score in the next innings to raise the average to 32?
  24. 24.Marks of 5 friends in a quiz: 6, 27, 33, 9, 30. What is their average mark?
  25. 25.A shop sells an average of 68 kg of sugar a day for 5 days, and then 80 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  26. 26.The average of 4 numbers is 20. When one more number is added, the average becomes 22. What number was added?
  27. 27.Marks of 6 friends in a quiz: 19, 27, 36, 38, 19, 47. What is their average mark?
  28. 28.The average weight of 5 children is 32 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 5 friends in a quiz: 92, 81, 96, 101, 80. What is their average mark?
  30. 30.Rohan’s batting average after 6 innings is 24 runs. How many runs must Rohan score in the next innings to raise the average to 26?
  31. 31.Diya’s batting average after 9 innings is 28 runs. How many runs must Diya score in the next innings to raise the average to 29?
  32. 32.A shop sells an average of 53 kg of sugar a day for 6 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  33. 33.Ishaan’s batting average after 9 innings is 25 runs. How many runs must Ishaan score in the next innings to raise the average to 28?
  34. 34.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)?
  35. 35.Aarav’s batting average after 5 innings is 24 runs. How many runs must Aarav score in the next innings to raise the average to 29?
  36. 36.The average of 8 numbers is 37. When one more number is added, the average becomes 40. What number was added?
  37. 37.The average of 5 numbers is 53. When one more number is added, the average becomes 59. What number was added?
  38. 38.Aarav’s batting average after 5 innings is 42 runs. How many runs must Aarav score in the next innings to raise the average to 47?
  39. 39.Marks of 6 friends in a quiz: 102, 93, 89, 79, 75, 96. What is their average mark?
  40. 40.A shop sells an average of 37 kg of sugar a day for 2 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?

Answer key

  1. 37
  2. 26
  3. 57
  4. 45
  5. 40
  6. 27
  7. 35
  8. 31
  9. 43
  10. 26
  11. 67
  12. 61
  13. 30
  14. 41
  15. 99
  16. 28
  17. 43
  18. 34
  19. 66
  20. 104
  21. 61
  22. 37
  23. 92
  24. 21
  25. 74
  26. 30
  27. 31
  28. 31
  29. 90
  30. 38
  31. 38
  32. 47
  33. 55
  34. 26
  35. 54
  36. 64
  37. 89
  38. 72
  39. 89
  40. 56

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