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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 410 · 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 6 friends in a quiz: 18, 23, 37, 30, 41, 49. What is their average mark?
  2. 2.The average of 4 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  3. 3.A shop sells an average of 30 kg of sugar a day for 5 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  4. 4.The average of 4 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  5. 5.Kabir’s batting average after 12 innings is 31 runs. How many runs must Kabir score in the next innings to raise the average to 33?
  6. 6.The average weight of 7 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 9 children is 35 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.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)?
  9. 9.The average weight of 10 children is 41 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 8 numbers is 30. When one more number is added, the average becomes 31. What number was added?
  11. 11.The average of 7 numbers is 38. When one more number is added, the average becomes 40. What number was added?
  12. 12.Marks of 6 friends in a quiz: 73, 84, 63, 84, 78, 74. What is their average mark?
  13. 13.The average of 6 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  14. 14.Meera’s batting average after 11 innings is 42 runs. How many runs must Meera score in the next innings to raise the average to 43?
  15. 15.Marks of 5 friends in a quiz: 65, 71, 78, 91, 95. What is their average mark?
  16. 16.A shop sells an average of 72 kg of sugar a day for 4 days, and then 21 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.A shop sells an average of 53 kg of sugar a day for 6 days, and then 64 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  18. 18.Marks of 5 friends in a quiz: 18, 15, 36, 34, 22. What is their average mark?
  19. 19.The average weight of 11 children is 30 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average weight of 12 children is 33 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Farhan’s batting average after 7 innings is 23 runs. How many runs must Farhan score in the next innings to raise the average to 24?
  22. 22.A shop sells an average of 57 kg of sugar a day for 5 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  23. 23.A shop sells an average of 50 kg of sugar a day for 6 days, and then 42 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  24. 24.The average weight of 8 children is 28 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 8 children is 42 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 4 friends in a quiz: 43, 48, 41, 84. What is their average mark?
  27. 27.The average of 5 numbers is 54. When one more number is added, the average becomes 59. What number was added?
  28. 28.The average of 9 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  29. 29.Manav’s batting average after 6 innings is 22 runs. How many runs must Manav score in the next innings to raise the average to 26?
  30. 30.A shop sells an average of 46 kg of sugar a day for 2 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  31. 31.The average of 5 numbers is 18. When one more number is added, the average becomes 24. What number was added?
  32. 32.A shop sells an average of 34 kg of sugar a day for 6 days, and then 20 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  33. 33.The average of 6 numbers is 32. When one more number is added, the average becomes 38. What number was added?
  34. 34.Marks of 5 friends in a quiz: 38, 57, 36, 49, 40. What is their average mark?
  35. 35.Aarav’s batting average after 13 innings is 34 runs. How many runs must Aarav score in the next innings to raise the average to 35?
  36. 36.A shop sells an average of 76 kg of sugar a day for 4 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.The average weight of 12 children is 46 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 8 numbers is 47. When one more number is added, the average becomes 53. What number was added?
  39. 39.Marks of 5 friends in a quiz: 43, 37, 40, 31, 19. What is their average mark?
  40. 40.Arjun’s batting average after 9 innings is 40 runs. How many runs must Arjun score in the next innings to raise the average to 41?

Answer key

  1. 33
  2. 41
  3. 36
  4. 20
  5. 57
  6. 29
  7. 32
  8. 29
  9. 38
  10. 39
  11. 54
  12. 76
  13. 67
  14. 54
  15. 80
  16. 55
  17. 58
  18. 25
  19. 27
  20. 31
  21. 31
  22. 49
  23. 46
  24. 27
  25. 40
  26. 54
  27. 84
  28. 98
  29. 50
  30. 41
  31. 54
  32. 27
  33. 74
  34. 44
  35. 48
  36. 60
  37. 44
  38. 101
  39. 34
  40. 50

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