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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 129 · 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 6 numbers is 21. When one more number is added, the average becomes 24. What number was added?
  2. 2.The average weight of 12 children is 35 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average weight of 9 children is 26 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 9 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  5. 5.Zoya’s batting average after 6 innings is 36 runs. How many runs must Zoya score in the next innings to raise the average to 39?
  6. 6.Marks of 4 friends in a quiz: 53, 69, 41, 53. What is their average mark?
  7. 7.The average of 8 numbers is 49. When one more number is added, the average becomes 55. What number was added?
  8. 8.Karan’s batting average after 15 innings is 38 runs. How many runs must Karan score in the next innings to raise the average to 41?
  9. 9.Ananya’s batting average after 5 innings is 37 runs. How many runs must Ananya score in the next innings to raise the average to 42?
  10. 10.Rahul’s batting average after 6 innings is 20 runs. How many runs must Rahul score in the next innings to raise the average to 23?
  11. 11.A shop sells an average of 59 kg of sugar a day for 2 days, and then 73 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  12. 12.The average weight of 5 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average weight of 11 children is 33 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average weight of 8 children is 45 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Aarav’s batting average after 13 innings is 28 runs. How many runs must Aarav score in the next innings to raise the average to 30?
  16. 16.A shop sells an average of 72 kg of sugar a day for 6 days, and then 28 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  17. 17.The average weight of 12 children is 29 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 6 friends in a quiz: 85, 57, 65, 67, 62, 90. What is their average mark?
  19. 19.A shop sells an average of 22 kg of sugar a day for 3 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  20. 20.Vivaan’s batting average after 8 innings is 20 runs. How many runs must Vivaan score in the next innings to raise the average to 22?
  21. 21.Diya’s batting average after 13 innings is 30 runs. How many runs must Diya score in the next innings to raise the average to 31?
  22. 22.Zoya’s batting average after 6 innings is 27 runs. How many runs must Zoya score in the next innings to raise the average to 32?
  23. 23.A shop sells an average of 61 kg of sugar a day for 5 days, and then 75 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  24. 24.A shop sells an average of 78 kg of sugar a day for 4 days, and then 28 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.The average weight of 10 children is 28 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Rohan’s batting average after 14 innings is 25 runs. How many runs must Rohan score in the next innings to raise the average to 28?
  27. 27.The average weight of 12 children is 44 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 7 children is 40 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Nisha’s batting average after 11 innings is 38 runs. How many runs must Nisha score in the next innings to raise the average to 39?
  30. 30.Diya’s batting average after 8 innings is 23 runs. How many runs must Diya score in the next innings to raise the average to 25?
  31. 31.Saanvi’s batting average after 15 innings is 30 runs. How many runs must Saanvi score in the next innings to raise the average to 31?
  32. 32.Marks of 6 friends in a quiz: 18, 28, 32, 32, 28, 48. What is their average mark?
  33. 33.A shop sells an average of 64 kg of sugar a day for 6 days, and then 80 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  34. 34.The average of 5 numbers is 59. When one more number is added, the average becomes 60. What number was added?
  35. 35.The average weight of 6 children is 30 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.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)?
  37. 37.Manav’s batting average after 14 innings is 34 runs. How many runs must Manav score in the next innings to raise the average to 38?
  38. 38.Marks of 4 friends in a quiz: 23, 18, 32, 7. What is their average mark?
  39. 39.Marks of 5 friends in a quiz: 45, 31, 29, 32, 78. What is their average mark?
  40. 40.Marks of 4 friends in a quiz: 87, 89, 81, 79. What is their average mark?

Answer key

  1. 42
  2. 32
  3. 25
  4. 70
  5. 57
  6. 54
  7. 103
  8. 86
  9. 67
  10. 41
  11. 66
  12. 36
  13. 30
  14. 43
  15. 56
  16. 52
  17. 27
  18. 71
  19. 28
  20. 38
  21. 44
  22. 62
  23. 68
  24. 53
  25. 27
  26. 70
  27. 42
  28. 39
  29. 50
  30. 41
  31. 46
  32. 31
  33. 68
  34. 65
  35. 29
  36. 43
  37. 94
  38. 20
  39. 43
  40. 84

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