1) Fill the 3 ltr bowl and put it in the 5 ltr bowl
2) Fill the 3 ltr bowl again and put it is 5 ltr bowl
3) one ltr will left in 3 ltr bowl.
4) now empty the 5 ltr bowl
5) now pour one ltr in the 5 ltr bowl (as shown at sl.3)
6) you have now one ltr in 5 ltr bowl..
7) fill the 3 ltr bowl in 5 ltr bowl... 4 ltr is measured
2) Fill the 3 ltr bowl again and put it is 5 ltr bowl
3) one ltr will left in 3 ltr bowl.
4) now empty the 5 ltr bowl
5) now pour one ltr in the 5 ltr bowl (as shown at sl.3)
6) you have now one ltr in 5 ltr bowl..
7) fill the 3 ltr bowl in 5 ltr bowl... 4 ltr is measured