Jugs

[whiffey]

Given a 3-litre jug, a 5-litre jug, and an unlimited supply of water, can you get exactly 4 litres into the 5-litre jug ? They are not calibrated.

[hobbitess]

Fill the 5 litre jug.

Fill the 3 litre with this.

Leaves 2 litres in the 5 litre jug.

Empty the 3 litre jug away( what a waste).

Pour the remainder of the 5 litre jug into the 3 litre jug.

Fill up the 5 litre jug and pour enough to fill the 3 litre jug.

This should take 1 litre, leaving 4 litres in the 5 litre jug.

Phew!

[whiffey]

hobbitess, interesting, there are therefore 2 solutions - there is another correct one over in the Chatterbank.

[mozzie]

did it the same way hobbitess