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wu :: forums    riddles    easy (Moderators: Icarus, Eigenray, william wu, SMQ, towr, Grimbal, ThudnBlunder)    101 numbers from 1-200 « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: 101 numbers from 1-200  (Read 582 times) BNC Uberpuzzler     Gender: Posts: 1732 101 numbers from 1-200   « on: Feb 23rd, 2003, 11:34am » Quote Modify Prove that choosing any 101 different numbers from the range 1-200,   1. At least two are co-prime (no common dividers -- I think that's the right term) 2. At one of them is a divider of another   IP Logged How about supercalifragilisticexpialidociouspuzzler [Towr, 2007] NickH Senior Riddler     Gender: Posts: 341 Re: 101 numbers from 1-200   « Reply #1 on: Mar 2nd, 2003, 10:19am » Quote Modify Nice problems!  I offer the following clue: Pigeonhole Principle! IP Logged Nick's Mathematical Puzzles Pages: 1  Reply Notify of replies Send Topic Print Forum Jump: ----------------------------- riddles -----------------------------=> easy   - medium   - hard   - what am i   - what happened   - microsoft   - cs   - putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese « Previous topic | Next topic »

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