Fw: Lightbulb stumper...

ebenn@juno.com (ebenn@juno.com)
Fri, 24 Oct 1997 13:11:20 -0400


And Jim Meidl (my boss) says:

You have to set up three conditions.
One bulb on
One bulb off
and one bulb warm!

Does that say it all?

Erin
ebenn@juno.com


>>     caryle> Q---How do you determine which switch operates which
>>     caryle> bulb???  Anneliese
>> 
>> First, you must determine whether there is a one to one 
>correspondence
>> between switches and controlled bulbs.  This is in fact highly
>> unlikely under random conditions, as each bulb is potentially
>> independent of the others, yet a combination of more than one switch
>> could affect a single bulb.  THE PROBLEM STATEMENT DOES NOT RULE OUT
>> THIS POSSIBILITY!
>
>Not quite true -- the fact that one switch control one bulb is 
>implicit
>in the question "How do you determined which switch operates which
>bulb?"
>
>> Even if I *COULD* see all the bulbs, I wouldn't touch this one with 
>a
>> ten foot pole!
>
>The solution to this problem indeed lies in touching the bulbs :-)
>How's that for a hint?  For that solution to work, we must also be
>assured that all switches are in the "off" position.
>
>Richard Masoner
>Champaign Illinois USA
>