Namita starts from point A and drives 6 km towards the South. She then takes a left turn and drives 4 km, followed immediately by another left turn of 3 km. Next, she takes a right turn and drives 2 km. Finally, she takes a left turn and drives 3 km to reach point B. How far (shortest distance) and towards which direction should she drive from point B to reach point A again?

Kiara walks 25 meters towards the North from her starting point. She then turns right and walks 30 meters, followed by a left turn and walks another 10 meters. Finally, she turns to her left again and walks 30 meters towards the West. How far is Kiara from her starting point now?

Starting from a point S, Mahesh walked 25 m towards South. He turned to his left and walked 50 m. He again turned to his left and walked 25 m. Finally, he turned to his left and walked 60 m to reach point T. How far and in which direction is Mahesh from the starting point S?