The closest thing to a correct answer from the information given is 48 oz. It could vary a bit depending on the presence of an oil filter on the engine. Mechanics will repeatedly check and fine tune the oil level once it is close. engines will also contain about 4 oz. oil that does not drain out when changing.
600mls
20oz
Just about one quart of 30w oil.
one quart It does not hold a full quart. it holds about 25 oz's.
http://www.sears.com/shc/s/c_10153_12605_Lawn+%26+Garden_Lawn+Mowers
Depends on the size of the mower.
6,250 J
That will vary for each make and model of mower.
It depends on what kind of lawn mower (push or ride). I sell my fixed push mowers usually for $30.
give up and hire a lawn service...
10 dollar
4 hp