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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 257 · 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 74 kg of sugar a day for 2 days, and then 50 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  2. 2.The average of 4 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  3. 3.Marks of 6 friends in a quiz: 89, 68, 76, 73, 87, 93. What is their average mark?
  4. 4.Marks of 4 friends in a quiz: 20, 25, 23, 36. What is their average mark?
  5. 5.Rahul’s batting average after 10 innings is 24 runs. How many runs must Rahul score in the next innings to raise the average to 29?
  6. 6.The average weight of 8 children is 28 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 8 children is 31 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 6 friends in a quiz: 37, 38, 48, 26, 29, 26. What is their average mark?
  9. 9.The average weight of 10 children is 31 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 6 friends in a quiz: 65, 83, 61, 58, 75, 66. What is their average mark?
  11. 11.Marks of 6 friends in a quiz: 76, 84, 74, 76, 94, 76. What is their average mark?
  12. 12.A shop sells an average of 25 kg of sugar a day for 3 days, and then 40 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  13. 13.Rohan’s batting average after 14 innings is 24 runs. How many runs must Rohan score in the next innings to raise the average to 25?
  14. 14.Marks of 4 friends in a quiz: 57, 83, 66, 66. What is their average mark?
  15. 15.The average of 4 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  16. 16.A shop sells an average of 68 kg of sugar a day for 3 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  17. 17.Marks of 4 friends in a quiz: 43, 57, 67, 45. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 15, 15, 32, 26. What is their average mark?
  19. 19.The average of 9 numbers is 35. When one more number is added, the average becomes 41. What number was added?
  20. 20.A shop sells an average of 32 kg of sugar a day for 3 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  21. 21.A shop sells an average of 28 kg of sugar a day for 6 days, and then 63 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  22. 22.The average of 9 numbers is 50. When one more number is added, the average becomes 54. What number was added?
  23. 23.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)?
  24. 24.The average weight of 12 children is 45 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 6 children is 43 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 4 friends in a quiz: 98, 73, 83, 86. What is their average mark?
  27. 27.The average of 6 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  28. 28.A shop sells an average of 39 kg of sugar a day for 2 days, and then 53 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  29. 29.The average of 7 numbers is 17. When one more number is added, the average becomes 21. What number was added?
  30. 30.Marks of 5 friends in a quiz: 25, 20, 13, 36, 46. What is their average mark?
  31. 31.The average of 5 numbers is 27. When one more number is added, the average becomes 33. What number was added?
  32. 32.A shop sells an average of 33 kg of sugar a day for 3 days, and then 61 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.The average weight of 8 children is 34 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 6 friends in a quiz: 25, 30, 32, 24, 34, 89. What is their average mark?
  35. 35.Kavya’s batting average after 15 innings is 46 runs. How many runs must Kavya score in the next innings to raise the average to 49?
  36. 36.A shop sells an average of 58 kg of sugar a day for 5 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  37. 37.Dev’s batting average after 12 innings is 24 runs. How many runs must Dev score in the next innings to raise the average to 26?
  38. 38.The average weight of 10 children is 42 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average weight of 5 children is 35 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 7 children is 35 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 62
  2. 35
  3. 81
  4. 26
  5. 79
  6. 26
  7. 28
  8. 34
  9. 28
  10. 68
  11. 80
  12. 35
  13. 39
  14. 68
  15. 43
  16. 56
  17. 53
  18. 22
  19. 95
  20. 26
  21. 42
  22. 90
  23. 27
  24. 44
  25. 40
  26. 85
  27. 29
  28. 46
  29. 49
  30. 28
  31. 63
  32. 47
  33. 32
  34. 39
  35. 94
  36. 46
  37. 50
  38. 40
  39. 32
  40. 34

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