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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 526 · 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: 52, 37, 49, 70. What is their average mark?
  2. 2.The average of 8 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  3. 3.Rahul’s batting average after 5 innings is 49 runs. How many runs must Rahul score in the next innings to raise the average to 52?
  4. 4.Isha’s batting average after 12 innings is 28 runs. How many runs must Isha score in the next innings to raise the average to 31?
  5. 5.The average weight of 8 children is 38 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 4 friends in a quiz: 103, 95, 84, 70. What is their average mark?
  7. 7.A shop sells an average of 37 kg of sugar a day for 2 days, and then 21 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  8. 8.The average of 5 numbers is 40. When one more number is added, the average becomes 45. What number was added?
  9. 9.Tara’s batting average after 13 innings is 37 runs. How many runs must Tara score in the next innings to raise the average to 39?
  10. 10.The average weight of 12 children is 38 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 4 friends in a quiz: 72, 66, 72, 62. What is their average mark?
  12. 12.Karan’s batting average after 5 innings is 30 runs. How many runs must Karan score in the next innings to raise the average to 32?
  13. 13.Marks of 6 friends in a quiz: 40, 51, 40, 33, 32, 32. What is their average mark?
  14. 14.The average weight of 5 children is 37 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average weight of 11 children is 38 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 6 friends in a quiz: 77, 89, 79, 73, 95, 85. What is their average mark?
  17. 17.Marks of 4 friends in a quiz: 77, 51, 53, 83. What is their average mark?
  18. 18.The average of 8 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  19. 19.The average of 4 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  20. 20.The average of 8 numbers is 44. When one more number is added, the average becomes 49. What number was added?
  21. 21.The average weight of 9 children is 34 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 6 friends in a quiz: 25, 49, 31, 28, 34, 61. What is their average mark?
  23. 23.Marks of 5 friends in a quiz: 70, 77, 81, 87, 60. What is their average mark?
  24. 24.Meera’s batting average after 6 innings is 26 runs. How many runs must Meera score in the next innings to raise the average to 27?
  25. 25.The average weight of 11 children is 40 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 9 numbers is 59. When one more number is added, the average becomes 64. What number was added?
  27. 27.A shop sells an average of 78 kg of sugar a day for 2 days, and then 80 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  28. 28.The average weight of 9 children is 29 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 37 kg of sugar a day for 2 days, and then 57 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  30. 30.Marks of 5 friends in a quiz: 44, 52, 53, 59, 77. What is their average mark?
  31. 31.Kavya’s batting average after 9 innings is 21 runs. How many runs must Kavya score in the next innings to raise the average to 25?
  32. 32.Rahul’s batting average after 15 innings is 50 runs. How many runs must Rahul score in the next innings to raise the average to 51?
  33. 33.A shop sells an average of 68 kg of sugar a day for 2 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.The average weight of 9 children is 41 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average weight of 5 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 63 kg of sugar a day for 3 days, and then 31 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  37. 37.A shop sells an average of 67 kg of sugar a day for 4 days, and then 58 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  38. 38.Marks of 6 friends in a quiz: 74, 91, 80, 66, 68, 77. What is their average mark?
  39. 39.Farhan’s batting average after 11 innings is 44 runs. How many runs must Farhan score in the next innings to raise the average to 48?
  40. 40.Marks of 6 friends in a quiz: 39, 34, 33, 28, 55, 63. What is their average mark?

Answer key

  1. 52
  2. 63
  3. 67
  4. 67
  5. 37
  6. 88
  7. 29
  8. 70
  9. 65
  10. 35
  11. 68
  12. 42
  13. 38
  14. 34
  15. 35
  16. 83
  17. 66
  18. 56
  19. 43
  20. 89
  21. 31
  22. 38
  23. 75
  24. 33
  25. 37
  26. 109
  27. 79
  28. 27
  29. 52
  30. 57
  31. 61
  32. 66
  33. 72
  34. 39
  35. 41
  36. 43
  37. 62
  38. 76
  39. 92
  40. 42

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