Folklore

In the class, there are 17 people. It is known that among any ten, there is at least one girl, and there are more boys than girls. How many girls are there in this class?
Since there are more boys than girls in the class, there are no fewer than nine boys. If there are more than nine boys, the condition that among any ten people there is at least one girl will not be met. Therefore, there are exactly 9 boys and 8 girls.

## Answer

8.