YY's Little O.L. Notes

Thursday, September 28, 2006

The Secret of the Mind Reading Program


Whatever number you use , you will end up in one of the green boxes.

Try it here!

1 comment(s):

This one bluff people one lah ...

Assuming the number you choose is "ab", it can be represented as "10a + b" (e.g. 79 = 10*7 + 9). Now, deduct a and b from this number, and you get "9a". Voila! Your result will always be a multiple of 9.

By Blogger Amleth, at 10:20 PM  

Post a comment

<< Home