Starting from a point P, Sachin asked 20 meters towards South. He turned left and walked 30 meters. He then turned left and walled 20 meters. He again turned left and walled 40 meters and reached a point Q. How far and in which direction is the point Q from the point P?

20 meters West 10 meters East 10 meters West 10 meters North

10 meters West

Point "Q" is 10 m in the west direction from point "P".