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Big Al1st | 06:51 Sun 11th Jun 2006 | How it Works
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Enter portfolio then wizardry.


I know there are others like this but I just cant see how it is done.

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That is just nucking futs. Must be some sort of maths/phsychological thing. If you do the subtraction and get the wrong answer it comes up with the symbol for the correct answer.
If you add the two digits and subtract form the original number, the answers are all multiples of 9 so the same symbol is repeated every ninth time. The sequence changes at each attempt so it looks more impressive than it is.
Question Author

Corbyloon, Great anwer thank you. I have just tried it again and see exactly what you mean. I would never have thought of it.


D*** clever really. I can sleep tonite Rgds

The answer will always be either zero, or a multiple of 9...the symbol under 9, 18, 27, 36 ...etc ...changes with each go ... it's a silly trick designed to fool people with little or no knowledge of basic mathematics
And I thought it was magic!

LOL


Thanks for the explanation - I had seen this sort of thing several times and couldn't puzzle it out.

I must be a maths numptie!
Question Author

Hi Sphinx, thanks for answer and thanks for reminding me of how thick I am lol


I am no good at Maths and knew there must be a reasonable answer but I could'nt see it.



Ethel SNAP. That makes two maths numpties. ( love that word, never heard it before)


Take care u 2

A slightly more Vordermanesque answer.

If the number you choose has tens digit 'x' and ones digit 'y' then:

The value of the number is 10x+y

The total of the digits is x+y

The value of the number less the total of the digits is
(10x + y) -( x +y) = 10x + y - x - y which is 9x

As x must be a whole number greater than 1, the 'magic' number is always a multiple of 9.

Each multiple of 9 is given the same symbol.

QED
Question Author
Tim Theres always one! lol Good answer though

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