A man starts from Point A and drives 9 km towards north. He then takes a right turn, drives 15 km, turns right and drives 18 km. He then takes a right turn and drives 23 km. He takes a final right turn, drives 9 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90-degree turns only unless specified)

Vijay starts from Point A and drives 23 km towards West. He then takes a left turn, drives 6 km, turns left and drives 14 km. He then takes a right turn and drives 13 km. He takes a final left turn, drives 9 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90-degree turns only.)

A man walks 3 km towards the North. Then he turns to his right and walks 6 km. He again turns to his left and walks 3 km. Then he turns to his right and walks 2 km. What is the shortest distance from his starting point?