A man bought an odd lot of wine in barrels and one
barrel containing beer.
These are shown in the illustration, marked with
the number of gallons that each barrel contained.
He sold a quantity of the wine to one man and twice the quantity to
another, but kept the beer to himself.
The puzzle is to point out which barrel contains
Can you say which one it is?
Of course, the man sold the barrels just as he bought them, without
manipulating in any way the contents.