On Fri, November 20, 2009 2:02 pm, Scott Edwards wrote: > On Fri, Nov 20, 2009 at 1:06 PM, Sasha Pachev <[email protected]> wrote: >> I just came up with this while teaching my son about numbers. Let's >> see how quickly somebody figures this out. >> >> If you had a 64 bit number written down in hex, how could you quickly >> tell without the aid of any computational device, including pencil or >> paper if it is divisible by 15? >> >> How about 17? > > My own brain is a computational device, isn't it? Did you all just cheat? ;) > > Easy, I'd ask someone else to do it for me. :-D
Aren't other people a computational device? That'd be cheating too. -- Matthew Walker Kydance Hosting & Consulting, Inc. - http://www.kydance.net/ PHP, Perl, and Web Development - Linux Server Administration /* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */
