Fw: Lightbulb stumper...
Richard Masoner (richardm@cd.com)
Fri, 24 Oct 1997 10:23:13 -0500 (CDT)
> 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