Q. Point P is 20m to the north of point Q. Point R is 10m to the west of point P. point S is 15m to the south of point R. Point T is exactly midway between point S and point U in such a matter that point S, T and U form a horizontal straight line of 20m. Point U is to the east of point S. Point V is 15 north to point U. How far and in which direction is point V from point P?