Dev walks 23 m towards the west from his hostel gate. He takes a left turn and walks 14 m. Then he takes a right turn and walks 63 m. Then he takes a left turn and walks 32 m. He takes a left turn again and walks 86 m. Finally, he takes a left turn and walks 16 m to reach a canteen. How far and in which direction is the canteen from Dev's hostel gate? (All turns are 90-degree turns only)

Suraj starts driving from point A and drives 4 km towards the East. Then he turns right and drives 6 km to reach point B. Parveen starts driving from point X, which is 3 km East of point B, and drives 5 km towards South. Then he turns right and drives 7 km to reach point Y. Find the shortest distance between point Y and point A. (All turns are 90-degree turns only)

Mr. DEF starts from Point A and drives 16 km towards the north. He then takes a right turn, drives 21 km, turns right and drives 13 km. He then takes a left turn, drives 15 km, turns right and drives 22 km. He then takes a right turn and drives 54 km. He takes a final right turn, drives 19 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again?