Take 4 matchsticks and set them out in this pattern:
VII
In mathematics this is 7 in Roman numerals. Now move just a single matchstick and the answer should be 1 (one).
You
move the right-most matchstick to go above the others and horizontal,
so that
the matches spell out $\sqrt{1}$, which is of course 1.
Like this:
Move
one of the I's to the beginning
like so:
I V I which in logic and proper numerals is 1 or 1
giving
the answer true
which is
binary value of 1
I'd say you can
strike through the
V
with anI
, so that theV
is a mistake! This giveswhich is one.
VI
I kept thinking that the answer must be in Roman numerals and thus came up with this.
You
take the right-most matchstick, and polish it until it has a mirror-like sheen, then place it above the others and look at it at from a very low viewpoint, so that the matchsticks and their reflection look
like this:
/\ |
\/ |
which reads
01
PS
Best of luck with the polishing ;)
Other answers are really so weird... Should not it be like this:
Move the first match below the two last matches
/||
|
Moving the last match to the first position makes: IVI. This is the roman numeral for one thousand (since the question didn't specify one of what).