Gas Electricity Water Puzzle

Since the puzzle is very famous we have chosen to present it in a new light.

Gas electricity water puzzle.

Unfortunately the pipes and cables must not cross each other. How do you connect mr angry mr beastly and mr cross to gas water and electricity without. In a suburb three new houses all have to be connected to a gas red water blue and electricity green supply. Answer to puzzle 26.

Connecting gas water electric to three houses. Furthermore no connections may cross each other. The three cottages problem or sometimes water gas and electricity can be stated as follows. All houses should get their own gas water and electricity connection.

This problem is perhaps the perfect introduction to graph theory. Nearby there are gas water and electric plants. The man wishes to connect all three houses to each of the gas water and electricity supplies. Gas water electric to 3 houses.

A man has built three houses.