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Friday, February 15, 2013

Brain Teaser 2/15/2013



Hows The Number Written

1. There is a four-digit number in which the first digit is one third the second, the third is the sum of the first and second, and the last is three times the second. What is this four-digit number?

2. If nine thousand, nine hundred nine dollars is written as $9,909, how should twelve thousand, twelve hundred twelve dollars be written?
Solution

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