Today`s Daily Brain Teaser: |  |
| Posted: 30 Jul 2011 03:59 AM PDT You put money in your new bank account every day. You deposit money in your bank account in such a way that the money doubles with each passing day. If you put 1 cent the first day, 2 cents the second day, 4 cents the third day and so on, then your bank gets full on the 9th day. On which day will your bank account be half-full? Solution 
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