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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 345 · 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: 50, 64, 71, 51, 59. What is their average mark?
  2. 2.The average weight of 10 children is 40 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Ananya’s batting average after 12 innings is 26 runs. How many runs must Ananya score in the next innings to raise the average to 29?
  4. 4.The average of 5 numbers is 18. When one more number is added, the average becomes 24. What number was added?
  5. 5.The average of 9 numbers is 42. When one more number is added, the average becomes 45. What number was added?
  6. 6.A shop sells an average of 69 kg of sugar a day for 5 days, and then 29 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  7. 7.Marks of 6 friends in a quiz: 46, 50, 65, 49, 61, 77. What is their average mark?
  8. 8.Pooja’s batting average after 11 innings is 43 runs. How many runs must Pooja score in the next innings to raise the average to 44?
  9. 9.Ananya’s batting average after 8 innings is 46 runs. How many runs must Ananya score in the next innings to raise the average to 47?
  10. 10.The average of 6 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  11. 11.Marks of 4 friends in a quiz: 32, 29, 35, 60. What is their average mark?
  12. 12.The average of 7 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  13. 13.The average weight of 5 children is 46 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average weight of 5 children is 26 kg. One child, who weighs 30 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 7 numbers is 26. When one more number is added, the average becomes 31. What number was added?
  16. 16.Marks of 5 friends in a quiz: 72, 55, 71, 49, 58. What is their average mark?
  17. 17.The average weight of 5 children is 28 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 6 friends in a quiz: 64, 46, 43, 39, 50, 76. What is their average mark?
  19. 19.Marks of 4 friends in a quiz: 36, 54, 34, 72. What is their average mark?
  20. 20.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)?
  21. 21.Arjun’s batting average after 10 innings is 24 runs. How many runs must Arjun score in the next innings to raise the average to 26?
  22. 22.The average weight of 5 children is 38 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.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)?
  24. 24.The average weight of 7 children is 43 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 6 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Ananya’s batting average after 15 innings is 45 runs. How many runs must Ananya score in the next innings to raise the average to 48?
  27. 27.Meera’s batting average after 5 innings is 47 runs. How many runs must Meera score in the next innings to raise the average to 48?
  28. 28.Tara’s batting average after 10 innings is 46 runs. How many runs must Tara score in the next innings to raise the average to 51?
  29. 29.Farhan’s batting average after 7 innings is 31 runs. How many runs must Farhan score in the next innings to raise the average to 35?
  30. 30.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?
  31. 31.The average of 4 numbers is 29. When one more number is added, the average becomes 30. What number was added?
  32. 32.Marks of 5 friends in a quiz: 72, 58, 49, 64, 62. What is their average mark?
  33. 33.The average weight of 11 children is 31 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Kabir’s batting average after 12 innings is 39 runs. How many runs must Kabir score in the next innings to raise the average to 42?
  35. 35.Marks of 5 friends in a quiz: 29, 34, 13, 6, 18. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 52, 55, 42, 51. What is their average mark?
  37. 37.The average weight of 9 children is 40 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Rahul’s batting average after 13 innings is 38 runs. How many runs must Rahul score in the next innings to raise the average to 42?
  39. 39.The average weight of 7 children is 44 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 5 friends in a quiz: 27, 42, 30, 28, 78. What is their average mark?

Answer key

  1. 59
  2. 39
  3. 65
  4. 54
  5. 72
  6. 54
  7. 58
  8. 55
  9. 55
  10. 30
  11. 39
  12. 44
  13. 45
  14. 25
  15. 66
  16. 61
  17. 27
  18. 53
  19. 49
  20. 37
  21. 46
  22. 36
  23. 28
  24. 40
  25. 34
  26. 93
  27. 53
  28. 101
  29. 63
  30. 43
  31. 34
  32. 61
  33. 29
  34. 78
  35. 20
  36. 50
  37. 38
  38. 94
  39. 41
  40. 41

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