The Boat & The Bowling Ball
By dcb on Feb 19, 2005
My dad sent me this logic puzzle... It isn't that hard, but takes some thought. Don't answer too quickly!
Say you're in a small row boat on a lake. Inside the row boat is a bowling ball. You take the bowling ball and throw it over board. It sinks down to and settles on the sandy bottom of the lake.
Question: If we had measured the level of the lake before the ball was thrown over board, and again after the ball settled on the bottom of the lake, would we have found that the level of the lake increased, decreased, or remained the same?
In case you give up, here is the solution: