<blockquote id="quote" class="ffs">quote:Originally posted by VIvandPhil
The answer is always divisible by nine. The symbol for numbers which divide by nine changes each time you click on the "Try again" sign !If you look, all numbers which divide by nine have the same symbol.
Phil
[/quote]

Thanks for that Phil. Easy when you know how it's done [msnwink]
I knew there must be a simple explanation, but in a way I really wanted to believe that it was reading my mind!