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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 86 · 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 7 numbers is 24. When one more number is added, the average becomes 26. What number was added?
  2. 2.Pooja’s batting average after 15 innings is 22 runs. How many runs must Pooja score in the next innings to raise the average to 25?
  3. 3.Dev’s batting average after 15 innings is 30 runs. How many runs must Dev score in the next innings to raise the average to 32?
  4. 4.A shop sells an average of 20 kg of sugar a day for 2 days, and then 78 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 6 friends in a quiz: 56, 77, 80, 68, 65, 44. What is their average mark?
  6. 6.Saanvi’s batting average after 13 innings is 44 runs. How many runs must Saanvi score in the next innings to raise the average to 48?
  7. 7.Marks of 4 friends in a quiz: 30, 54, 37, 59. What is their average mark?
  8. 8.The average of 7 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  9. 9.Rahul’s batting average after 9 innings is 49 runs. How many runs must Rahul score in the next innings to raise the average to 54?
  10. 10.A shop sells an average of 65 kg of sugar a day for 5 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  11. 11.The average of 9 numbers is 54. When one more number is added, the average becomes 59. What number was added?
  12. 12.The average of 8 numbers is 40. When one more number is added, the average becomes 45. What number was added?
  13. 13.Kabir’s batting average after 11 innings is 31 runs. How many runs must Kabir score in the next innings to raise the average to 35?
  14. 14.A shop sells an average of 58 kg of sugar a day for 3 days, and then 60 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.Kavya’s batting average after 15 innings is 21 runs. How many runs must Kavya score in the next innings to raise the average to 22?
  16. 16.Marks of 6 friends in a quiz: 79, 85, 85, 83, 64, 78. What is their average mark?
  17. 17.Marks of 6 friends in a quiz: 92, 74, 100, 73, 100, 71. What is their average mark?
  18. 18.The average of 6 numbers is 38. When one more number is added, the average becomes 40. What number was added?
  19. 19.A shop sells an average of 42 kg of sugar a day for 2 days, and then 57 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  20. 20.A shop sells an average of 33 kg of sugar a day for 2 days, and then 51 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  21. 21.Marks of 6 friends in a quiz: 61, 67, 76, 72, 66, 96. What is their average mark?
  22. 22.The average weight of 5 children is 35 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 5 children is 42 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Zoya’s batting average after 9 innings is 30 runs. How many runs must Zoya score in the next innings to raise the average to 34?
  25. 25.The average weight of 11 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.A shop sells an average of 55 kg of sugar a day for 5 days, and then 69 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  27. 27.The average weight of 5 children is 45 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 32 kg of sugar a day for 4 days, and then 48 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.Marks of 4 friends in a quiz: 104, 78, 97, 77. What is their average mark?
  30. 30.The average of 6 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  31. 31.The average weight of 12 children is 30 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A shop sells an average of 28 kg of sugar a day for 4 days, and then 68 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  33. 33.Arjun’s batting average after 7 innings is 44 runs. How many runs must Arjun score in the next innings to raise the average to 45?
  34. 34.Marks of 4 friends in a quiz: 83, 60, 88, 69. What is their average mark?
  35. 35.Aarav’s batting average after 11 innings is 20 runs. How many runs must Aarav score in the next innings to raise the average to 24?
  36. 36.Marks of 5 friends in a quiz: 77, 73, 85, 86, 94. What is their average mark?
  37. 37.Meera’s batting average after 8 innings is 46 runs. How many runs must Meera score in the next innings to raise the average to 50?
  38. 38.The average weight of 10 children is 48 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average weight of 10 children is 28 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 6 friends in a quiz: 25, 35, 33, 41, 17, 17. What is their average mark?

Answer key

  1. 40
  2. 70
  3. 62
  4. 49
  5. 65
  6. 100
  7. 45
  8. 66
  9. 99
  10. 69
  11. 104
  12. 85
  13. 79
  14. 59
  15. 37
  16. 79
  17. 85
  18. 52
  19. 51
  20. 42
  21. 73
  22. 32
  23. 39
  24. 70
  25. 29
  26. 62
  27. 44
  28. 40
  29. 89
  30. 50
  31. 27
  32. 48
  33. 52
  34. 75
  35. 68
  36. 83
  37. 82
  38. 45
  39. 25
  40. 28

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