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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 477 · 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 weight of 10 children is 41 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Vivaan’s batting average after 7 innings is 22 runs. How many runs must Vivaan score in the next innings to raise the average to 23?
  3. 3.Manav’s batting average after 12 innings is 45 runs. How many runs must Manav score in the next innings to raise the average to 48?
  4. 4.Aarav’s batting average after 13 innings is 24 runs. How many runs must Aarav score in the next innings to raise the average to 26?
  5. 5.Marks of 4 friends in a quiz: 67, 84, 79, 82. What is their average mark?
  6. 6.Marks of 6 friends in a quiz: 86, 69, 89, 82, 68, 98. What is their average mark?
  7. 7.The average of 9 numbers is 43. When one more number is added, the average becomes 47. What number was added?
  8. 8.Marks of 6 friends in a quiz: 55, 72, 74, 52, 52, 55. What is their average mark?
  9. 9.A shop sells an average of 48 kg of sugar a day for 2 days, and then 73 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  10. 10.Kavya’s batting average after 15 innings is 34 runs. How many runs must Kavya score in the next innings to raise the average to 38?
  11. 11.Kabir’s batting average after 6 innings is 38 runs. How many runs must Kabir score in the next innings to raise the average to 40?
  12. 12.The average of 6 numbers is 54. When one more number is added, the average becomes 60. What number was added?
  13. 13.Marks of 5 friends in a quiz: 36, 28, 27, 35, 74. What is their average mark?
  14. 14.Kavya’s batting average after 14 innings is 29 runs. How many runs must Kavya score in the next innings to raise the average to 31?
  15. 15.The average of 9 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  16. 16.A shop sells an average of 35 kg of sugar a day for 2 days, and then 39 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  17. 17.The average of 6 numbers is 52. When one more number is added, the average becomes 58. What number was added?
  18. 18.Marks of 4 friends in a quiz: 75, 81, 87, 45. What is their average mark?
  19. 19.Isha’s batting average after 12 innings is 30 runs. How many runs must Isha score in the next innings to raise the average to 35?
  20. 20.A shop sells an average of 59 kg of sugar a day for 3 days, and then 27 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.Sneha’s batting average after 12 innings is 26 runs. How many runs must Sneha score in the next innings to raise the average to 29?
  22. 22.A shop sells an average of 67 kg of sugar a day for 4 days, and then 61 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  23. 23.The average weight of 12 children is 31 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 66 kg of sugar a day for 2 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  25. 25.Kavya’s batting average after 11 innings is 30 runs. How many runs must Kavya score in the next innings to raise the average to 35?
  26. 26.Marks of 4 friends in a quiz: 50, 66, 65, 79. What is their average mark?
  27. 27.The average weight of 10 children is 46 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 5 children is 30 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average weight of 11 children is 42 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 6 numbers is 36. When one more number is added, the average becomes 42. What number was added?
  31. 31.Zoya’s batting average after 6 innings is 50 runs. How many runs must Zoya score in the next innings to raise the average to 55?
  32. 32.The average weight of 7 children is 37 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average weight of 12 children is 48 kg. One child, who weighs 81 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.A shop sells an average of 64 kg of sugar a day for 3 days, and then 56 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  35. 35.A shop sells an average of 29 kg of sugar a day for 2 days, and then 71 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.A shop sells an average of 34 kg of sugar a day for 3 days, and then 20 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  37. 37.The average weight of 11 children is 26 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 9 children is 29 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average of 4 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  40. 40.Zoya’s batting average after 10 innings is 30 runs. How many runs must Zoya score in the next innings to raise the average to 32?

Answer key

  1. 39
  2. 30
  3. 84
  4. 52
  5. 78
  6. 82
  7. 83
  8. 60
  9. 63
  10. 98
  11. 52
  12. 96
  13. 40
  14. 59
  15. 36
  16. 37
  17. 94
  18. 72
  19. 95
  20. 39
  21. 65
  22. 64
  23. 30
  24. 42
  25. 90
  26. 65
  27. 44
  28. 29
  29. 40
  30. 78
  31. 85
  32. 36
  33. 45
  34. 59
  35. 57
  36. 26
  37. 25
  38. 26
  39. 27
  40. 52

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