4
^^^4
and
if those tanks do not have lids, only 4 will be filled.
^^^3
Water will flow into
2 and straight out into
3 and rise up to outlet pipe leading to
4 when it will begin to flow into
4
The water flowing from
3 to
4 will be replaced by the incoming water from
2 keeping
3 full
I hope
^^^
Very close to what I was thinking. Also that it takes more pressure to force water up than straight across thus 3 must be fuller than 4 & will be full just before 4 is.
Anyone else?
<>
30 minutes! (I always liked this one.)
A computer keyboard?
^^^A computer keyboard?
Usually I'm not very good at these kinds of things, but I seem to be on a bit of a roll here...