Today`s Daily Brain Teaser:

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Posted: 13 Jul 2011 03:38 AM PDT The local historical society has leased a castle to use it as a museum. The original lease was 99 years. I asked the curator how much time was left on the lease. His answer was as follows: two-thirds of the time past is equal to four- fifths of the time to come. How much time was left on the lease? Solution

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