Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10 5/3/83 based; site hou2f.UUCP Path: utzoo!watmath!clyde!cbosgd!ihnp4!houxm!hou2f!tino From: tino@hou2f.UUCP (A.TINO) Newsgroups: net.puzzle Subject: Re: tea/coffee puzzle (SPOILER) Message-ID: <640@hou2f.UUCP> Date: Wed, 19-Mar-86 10:35:43 EST Article-I.D.: hou2f.640 Posted: Wed Mar 19 10:35:43 1986 Date-Received: Fri, 21-Mar-86 04:03:20 EST Organization: AT&T Bell Labs, Holmdel NJ Lines: 17 > Take a half a cup of tea, and a half a cup of coffee. > Take one tablespoon of the tea and mix it in with the coffee. > Take one tablespoon of the mixture and mix it back in with the tea. > > The question is, which of the two cups (if either) contains more of > its original contents, and WHY. They each contain the same amount of their original contents. For every drop of tea in the coffee-cup, there's a corresponding drop of coffee in the tea-cup; likewise, for every drop of tea missing from the tea-cup, there's a corresponding drop of coffee missing from the coffee-cup. _______ Al Tino !hou2f!tino