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Posted 10 February 2008 - 08:08 AM
There is a boat in the sea. It has a ladder (to get on and off) withs six rungs. Each being 1 inch thick and 1 feet apart.During the neap tide all rungs are above water.At the spring tide (Highest) the water level increases by 7 1/2 feet.
SO AT THAT TIME, HOW MANY RUNGS WILL BE ABOVE AND BELOW THE WATER?
Posted 10 February 2008 - 11:26 AM
Posted 10 February 2008 - 01:03 PM
I must have gone wrong in my maths somwhere beccause i worked it out as all rungs will be below the water level :S and that the very top of the ladder is inline witht the water level?
Posted 10 February 2008 - 02:20 PM
looking forward to new puzzles ... this thread is locked
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