Friday, October 9, 2009

Friday Fun ~ Magic Dollar Bill

The Magic Dollar Bill



Okay, you are probably thinking that a dollar bill is magic because it just seems to disappear.
True, but here is a strange phenomina.
Write down the number of any dollar bill.
Scramble the order of the numbers and write them down again.
Now subtract the smaller number from the larger number.
Minus 7 from the answer.
Now add the left over individual numbers.
Keep adding them until you have only 1 digit left.
What is your number?
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The answer is 2. From "Mental Magic" by Martin Gardner

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