Mind Reader... I didn't believe it at first...

[Vlad]

hey guys!
I was browsing the internet today and I found a site
http://mindreader.lx.ro/
First, I thought it was a joke but try it yourself..
I'm still trying to figure it out the way they're doing it

 

[TomB]

It got mine wrong.

 

[Vlad]

are you sure you checked the final no? not the first one

 

[TomB]

Ah yes...I see.

Look how this works...

99-18=81
98-17=81
97-16=81
96-15=81
etc.

89-17=72
88-16=72
87-15=72
etc.

79-16=63
78-15=63
etc.


See the pattern? Then of course, 63, 72, 81, etc. all have the same symbol.

In other words, if you add the digits of any two digit number and subtract the result from that number, you get a multiple of 9. As long as all the multiples of 9 have the same symbol, your mind reading site works.

 

[James]

didn't work for me :td:

 

[dezinerite]

Ah yes...I see.

Look how this works...

99-18=81
98-17=81
97-16=81
96-15=81
etc.

89-17=72
88-16=72
87-15=72
etc.

79-16=63
78-15=63
etc.


See the pattern? Then of course, 63, 72, 81, etc. all have the same symbol.

In other words, if you add the digits of any two digit number and subtract the result from that number, you get a multiple of 9. As long as all the multiples of 9 have the same symbol, your mind reading site works.

Yup, makes a lot of sense. :D