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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 619 · 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.A shop sells an average of 64 kg of sugar a day for 2 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  2. 2.Marks of 4 friends in a quiz: 66, 51, 62, 45. What is their average mark?
  3. 3.A shop sells an average of 67 kg of sugar a day for 6 days, and then 34 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  4. 4.The average of 9 numbers is 51. When one more number is added, the average becomes 52. What number was added?
  5. 5.A shop sells an average of 30 kg of sugar a day for 4 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.The average weight of 5 children is 38 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 6 numbers is 47. When one more number is added, the average becomes 53. What number was added?
  8. 8.Dev’s batting average after 15 innings is 36 runs. How many runs must Dev score in the next innings to raise the average to 38?
  9. 9.A shop sells an average of 26 kg of sugar a day for 3 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  10. 10.The average of 5 numbers is 39. When one more number is added, the average becomes 44. What number was added?
  11. 11.Vivaan’s batting average after 6 innings is 28 runs. How many runs must Vivaan score in the next innings to raise the average to 30?
  12. 12.A shop sells an average of 31 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)?
  13. 13.The average of 4 numbers is 19. When one more number is added, the average becomes 25. What number was added?
  14. 14.The average weight of 6 children is 41 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 5 friends in a quiz: 43, 66, 72, 52, 52. What is their average mark?
  16. 16.Diya’s batting average after 8 innings is 20 runs. How many runs must Diya score in the next innings to raise the average to 24?
  17. 17.The average of 5 numbers is 41. When one more number is added, the average becomes 44. What number was added?
  18. 18.Marks of 4 friends in a quiz: 83, 82, 97, 86. What is their average mark?
  19. 19.A shop sells an average of 30 kg of sugar a day for 4 days, and then 33 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  20. 20.The average of 6 numbers is 54. When one more number is added, the average becomes 59. What number was added?
  21. 21.Marks of 6 friends in a quiz: 86, 89, 98, 83, 94, 84. What is their average mark?
  22. 22.Isha’s batting average after 13 innings is 37 runs. How many runs must Isha score in the next innings to raise the average to 41?
  23. 23.Aarav’s batting average after 7 innings is 33 runs. How many runs must Aarav score in the next innings to raise the average to 36?
  24. 24.Marks of 4 friends in a quiz: 39, 59, 44, 66. What is their average mark?
  25. 25.The average of 6 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  26. 26.Tara’s batting average after 14 innings is 24 runs. How many runs must Tara score in the next innings to raise the average to 26?
  27. 27.Marks of 4 friends in a quiz: 45, 29, 46, 24. What is their average mark?
  28. 28.The average weight of 6 children is 44 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 53 kg of sugar a day for 2 days, and then 41 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.Marks of 5 friends in a quiz: 31, 39, 31, 33, 91. What is their average mark?
  31. 31.Marks of 5 friends in a quiz: 69, 59, 53, 46, 53. What is their average mark?
  32. 32.Marks of 6 friends in a quiz: 59, 65, 44, 48, 60, 54. What is their average mark?
  33. 33.A shop sells an average of 57 kg of sugar a day for 5 days, and then 41 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  34. 34.Marks of 4 friends in a quiz: 75, 76, 63, 66. What is their average mark?
  35. 35.The average weight of 12 children is 40 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 4 friends in a quiz: 84, 78, 58, 68. What is their average mark?
  37. 37.Marks of 4 friends in a quiz: 62, 51, 75, 64. What is their average mark?
  38. 38.The average weight of 7 children is 42 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 45 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)?
  40. 40.Marks of 5 friends in a quiz: 71, 72, 60, 51, 51. What is their average mark?

Answer key

  1. 53
  2. 56
  3. 56
  4. 61
  5. 34
  6. 35
  7. 89
  8. 68
  9. 23
  10. 69
  11. 42
  12. 53
  13. 49
  14. 38
  15. 57
  16. 56
  17. 59
  18. 87
  19. 31
  20. 89
  21. 89
  22. 93
  23. 57
  24. 52
  25. 51
  26. 54
  27. 36
  28. 43
  29. 45
  30. 45
  31. 56
  32. 55
  33. 51
  34. 70
  35. 39
  36. 72
  37. 63
  38. 39
  39. 39
  40. 61

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