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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 39 · 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.Priya’s batting average after 10 innings is 37 runs. How many runs must Priya score in the next innings to raise the average to 39?
  2. 2.A shop sells an average of 36 kg of sugar a day for 3 days, and then 24 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  3. 3.Marks of 4 friends in a quiz: 32, 33, 58, 57. What is their average mark?
  4. 4.The average weight of 8 children is 45 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 4 friends in a quiz: 67, 61, 67, 69. What is their average mark?
  6. 6.The average weight of 7 children is 28 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Vivaan’s batting average after 6 innings is 21 runs. How many runs must Vivaan score in the next innings to raise the average to 22?
  8. 8.Marks of 6 friends in a quiz: 87, 90, 93, 91, 86, 93. What is their average mark?
  9. 9.Marks of 6 friends in a quiz: 19, 44, 23, 20, 31, 49. What is their average mark?
  10. 10.Marks of 6 friends in a quiz: 28, 37, 33, 19, 14, 7. What is their average mark?
  11. 11.A shop sells an average of 31 kg of sugar a day for 6 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.Marks of 6 friends in a quiz: 54, 68, 62, 65, 51, 48. What is their average mark?
  13. 13.The average weight of 11 children is 45 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 5 friends in a quiz: 76, 69, 94, 84, 82. What is their average mark?
  15. 15.The average weight of 5 children is 40 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 8 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  17. 17.The average of 4 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  18. 18.The average weight of 12 children is 35 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 6 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  20. 20.A shop sells an average of 80 kg of sugar a day for 2 days, and then 35 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  21. 21.Sneha’s batting average after 15 innings is 36 runs. How many runs must Sneha score in the next innings to raise the average to 39?
  22. 22.Diya’s batting average after 7 innings is 38 runs. How many runs must Diya score in the next innings to raise the average to 41?
  23. 23.Rahul’s batting average after 10 innings is 38 runs. How many runs must Rahul score in the next innings to raise the average to 42?
  24. 24.The average of 8 numbers is 29. When one more number is added, the average becomes 30. What number was added?
  25. 25.The average of 4 numbers is 56. When one more number is added, the average becomes 61. What number was added?
  26. 26.The average of 6 numbers is 57. When one more number is added, the average becomes 58. What number was added?
  27. 27.The average weight of 12 children is 34 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.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)?
  29. 29.The average weight of 12 children is 29 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 5 numbers is 24. When one more number is added, the average becomes 29. What number was added?
  31. 31.A shop sells an average of 22 kg of sugar a day for 4 days, and then 50 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.The average weight of 8 children is 27 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.A shop sells an average of 34 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)?
  34. 34.Marks of 4 friends in a quiz: 52, 60, 65, 71. What is their average mark?
  35. 35.The average weight of 5 children is 41 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average weight of 8 children is 40 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 4 numbers is 30. When one more number is added, the average becomes 31. What number was added?
  38. 38.Kabir’s batting average after 6 innings is 29 runs. How many runs must Kabir score in the next innings to raise the average to 32?
  39. 39.A shop sells an average of 70 kg of sugar a day for 2 days, and then 66 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  40. 40.The average weight of 12 children is 43 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 59
  2. 30
  3. 45
  4. 44
  5. 66
  6. 27
  7. 28
  8. 90
  9. 31
  10. 23
  11. 49
  12. 58
  13. 42
  14. 81
  15. 38
  16. 62
  17. 44
  18. 34
  19. 80
  20. 50
  21. 84
  22. 62
  23. 82
  24. 38
  25. 81
  26. 64
  27. 33
  28. 43
  29. 28
  30. 54
  31. 36
  32. 25
  33. 35
  34. 62
  35. 40
  36. 38
  37. 35
  38. 50
  39. 67
  40. 42

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