स्मिता अपनी स्कूटी उत्तर की ओर चलाती है, फिर बाईं ओर मुड़ती है और फिर से अपनी बाईं ओर 4 किमी चलती है। वह खुद को अपने शुरुआती बिंदु से ठीक 2 किमी पश्चिम में पाती है। उसने शुरू में उत्तर की ओर कितनी दूरी तय की थी?

Rohit is facing North. He turns 90° in the clockwise direction, then 135° in the same direction, and finally 270° in the anti-clockwise direction. Which direction is Rohit facing now?

Mohan started walking from Point A towards South. He walked for 4 m and turned left. He walked for 3 m and turned left again. He walked for 2 m and turned left again. He walked for 5 m. Once again, he turned left and walked for 4 m. Again, he turned left and walked for 7 m. Lastly, he turned left again and walked for 6 m before stopping at Point B. How far (shortest distance) and towards which direction should he walk from Point B in order to reach Point A again?