While going home from the ground in the evening, Pinki travels 5 km and then turns to her left. Then she walks 10 km and turns right. She then walks 5 km and turns right, and finally walks 15 km to reach home. If she is facing the sun when she reaches home, what was the direction Pinki was facing at the start?

A person 'X' started from his home and walked 3 km straight. Then he turned right and walked 2 km. He turned right again and walked 1 km. If he is now in the North-West direction relative to his house, in which direction did he walk in the beginning?

Ramu starts from his house, moves towards the east, walks 90 m, turns right and moves 20 m. He turns right again and moves 30 m. Finally, he turns right and walks 100 m. In which direction should he walk to reach his house again?