Gas Electricity Water Puzzle

The three cottages problem or sometimes water gas and electricity can be stated as follows.

Gas electricity water puzzle.

Since the puzzle is very famous we have chosen to present it in a new light. The man wishes to connect all three houses to each of the gas water and electricity supplies. This problem is perhaps the perfect introduction to graph theory. All houses should get their own gas water and electricity connection.

The classical mathematical puzzle known as the three utilities problem. Gas water electric to 3 houses. Each year we receive an extraordinary number of letters regarding a classic route problem called water gas and electricity. Suppose there are three cottages on a plane or sphere and each needs to be connected to the water gas and electricity companies.

Nearby there are gas water and electric plants. Answer to puzzle 26. Connecting gas water electric to three houses. In a suburb three new houses all have to be connected to a gas red water blue and electricity green supply.

Furthermore no connections may cross each other.