Its not silly at all.... you're actually really close! But its not quite the right answer... remember, the original number isn't 11...
Edited: Also, this isn't a riddle. There's no trick in the wording.
Dj was nearly right on this one.
the number is IX (nine) turn upside down or mirror to give XI ( eleven).
Eargasm's was the answer I had, but thinking about it, anonymous number 1's answer seems to fit too!
Anonymous wrote:i think it is "II" right??
Well done!
Oh no! I take that back! Didn't give much thought to that one... silly Henrietta! Silly silly silly!
In the words of Homer Simpson: Doh!