20 July 2011

86. Farms, Windmills, Oil Drills and Boreholes

Easy Medium Hard Extreme

A Farmer decides to divide his farm between his 4 sons. How should he do this if there must be a windmill (W), oil drill (O) and borehole (B) on each of the 4 farms? Also, the shape and size of all the farms must be exactly the same.

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