Prove that in Moscow there are at least two people with the same amount of hair on the head, if it is known that the maximum amount of hair in humans - 100,000.
A: Runs Dirichlet principle, as the number of people in a much more Moscow 100 000. Besides at least two bald person has exactly Moscow
Comments
Commenting, keep in mind that the content and the tone of your messages can hurt the feelings of real people, show respect and tolerance to his interlocutors, even if you do not share their opinion, your behavior in terms of freedom of speech and anonymity offered by the Internet, is changing not only virtual, but real world. All comments are hidden from the index, spam control.