शेखर अपने स्कूल से दक्षिण की ओर चलना शुरू करता है और फिर अपनी दुकान तक पहुँचने के लिए एक बार दाईं ओर मुड़ता है, फिर एक बार बाईं ओर मुड़ता है और अंत में एक बार दाईं ओर मुड़ता है। शेखर अपने स्कूल के संदर्भ में किस दिशा में है?

Ravi drove 20 km from his office towards the north. He then took a right turn and drove 5 km. He took another right turn and drove 10 km, and then turned right, drove 5 km, and stopped at point A. How far is Ravi from his initial position (office)?

Anand starts from Point A and drives 43 km towards the south. He then takes a left turn, drives 40 km, turns left and drives 45 km. He then takes a left turn and drives 51 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 from Point P in order to reach Point A again?