AP Police Constable Prelims 6-Jan-2019 Paper

A person walks 4 km towards West and turns to his left and walks 2 km. then he turns to his left, 1 km and turns to his right, walks $\frac{1}{2}$ km and then turns to his right, walks 3 km and finally turns to his right and walks $\frac{1}{2}$ km. Now the direction from the starting point to the final point is