Kailash walks 3 km towards East, turns South and walks 4 km. Again, he turns West and walks 6 km. How far is he from the starting point?

Vijay starts from point A and drives 10 km towards North. He then takes a left turn, drives 4 km, turns left and drives 12 km. He then takes a left turn and drives 9 km. He takes a final left turn, drives 2 km and stops at point P. How far (shortest distance) and towards which direction should he drive in order to reach point A again?

Mr. X runs starting from point A. He runs 5 km North to point B, turns right and walks 6 km to point C, turns right and runs 8 km to point D, turns right and runs 10 km to point E. If Mr. X turns to his right from point E, which direction is he facing now?