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Ask A Silly Question...okay, The Question Is Not Quite Silly

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Posted by Michael W. Pearson on September 7, 2002 01:54:01 UTC

This problem Aaron posted:
"There is a moat that surronds a castle. The moat is a rectangle, there is a grass ledge on both sides of the moat. (Grass ledge demensions don't matter) The moat is more than 10 feet wide and it is equal on all sides. You have two 10 foot boards.
Question: How wide can the moat be and you still can get across with the boards? There is no way to join the boards together. And one cannot make a pyramid over the moat or put the boards in the water.
Any Help? Thanks in advanced."

You did not place any enough constraints on the problem so there are innumerable solutions.

1) You did not say there is no drawbridge or that we are not welcome. You can ring them to open the door and carry the boards across the bridge over the moat.
2) You did not say we may not use a motorcycle.
You can construct a jump ramp and jump the moat on the cycle...heck, some can jump it on a the width limits can vary.
3) You did not say the moat is deep. We may wade across, carrying the boards.
4) You can lower the boards into the castle from a helicopter.
5) You can saw the boards into little blocks, throw them across, then wade across and glue the boards back together.
6) You can heave the boards across to the opposite shore. The moat can be just a little narrower than you can throw the boards. How heavy are the boards?
7) You can sit and wait for the moat to dry out, then drag them across the dry bed.
Actually, you did not say there is any water in the moat.

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