Evaluating the bamboo stick puzzle
The question is asking about a 7-meter bamboo stick passing through a 2-meter wide and 3-meter high door. It's a geometry puzzle, likely involving moving the rod through the door at an angle. The diagonal of the door is the key, and calculating it gives about 3.61 meters, which is shorter than the rod, so the rod can't fit without bending or using some other technique. This might be the classic puzzle with a surprising twist related to maneuvering.
Consideration of moving a bamboo stick
This puzzle feels similar to the classic "moving a couch through a door" problem, but the bamboo stick is rigid. If it were flexible, maybe it could be angled to fit. However, bamboo isn't typically flexible so that approach's out. The question about a 7-meter bamboo stick through a 2x3 meter door seems to bring up a classic mathematical problem about fitting objects diagonally, but with the bamboo stick being rigid, I think it won't fit through the door as is.
Solving the bamboo stick puzzle
So, it might seem impossible to move a 7-meter stick through a 2x3 meter door since its diagonal is only about 3.61 meters. However, there's a trick to this puzzle: you can move the stick by tilting it in three dimensions. This is similar to the "ladder through a door" puzzle, where the object can be maneuvered through by rotating it. So, yes, if you tilt the bamboo rod appropriately, it might be possible to pass it through the door!
Reasoned about bamboo pole and doorway for 35 seconds