Riddle, you have a 3gal jug, a 5gal jug and unlimited water how do you get the e!

Riddle, you have a 3gal jug, a 5gal jug and unlimited water how do you get the exact amout of 4gal of water?

Fill the 3 Gal. Jug Completely and pour the entire content to 5 gal. jug.

Now
5 gal. Jug = 3 Gals
3 gal. Jug = 0 Gal.

Again Fill 3 Gal. Jug completely and pour the content to 5 gal. jug until it fills up

Then
5 gal. Jug = 5 Gal.s
3 gal. Jug = 1 Gal.

Pour out all contents from 5 gal. jug.
Pour the 1 gal. content from 3 gal. jug to 5 gal. jug.

Then
5 Gal. Jug = 1 Gal.
3 Gal. Jug = 0 Gal.

Finally fill up 3 litr jug and pour the entire content to 5 gal. jug

Then
Water in 5 Gal. Jug = 4 Gal.
Water in 3 gal. Jug = 0 Gal

You now have exact amout of 4 gal of water