Riddle 4

Trading is often about how to take the appropriate risk without exposing yourself to very human flaws.
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gazuty
Posts: 2557
Joined: Sun Jun 26, 2011 11:03 am

I'm disappointed I missed the first two riddles.

A lake has a strange kind of algae growing on its surface. The amount of algae doubles in size ever day. It it takes ten days to cover the entire lake, how man days did it take to cover one half of the lake?
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Iron
Posts: 6793
Joined: Fri Dec 11, 2009 10:51 pm

That's easy! :) 9 days.

Jeff
gazuty wrote:I'm disappointed I missed the first two riddles.

A lake has a strange kind of algae growing on its surface. The amount of algae doubles in size ever day. It it takes ten days to cover the entire lake, how man days did it take to cover one half of the lake?
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gazuty
Posts: 2557
Joined: Sun Jun 26, 2011 11:03 am

Bang - but many people answer back with 5 (or don't answer at all).
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