AP Police Constable Mains 17 Mar 2019 Solved Paper

A person P walks 10 meters towards South. Then he turns to his left and walks 20 meters and then turns  to his right. Then after walking 15 meters, he turns to his right and walks 20 meters. Finally he turns to his right and walks 10 meters, turns to his left and then walks 20 meters. The shortest distance from the starting point to his present position is