After walking 6 km, sonu turned right and covered a distance of 2 km, then turned left and covered a distance of 10 km. In the end, he was, moving towards North. From which directions did he start his journey ?

North

Sonu starts from a point in any direction, he now turns right after covering certain distance and thereafter turn left after covering some distance. Sonu is now moving in the same direction in which hestarted. Since, Sonu is moving Northwards, he started his journey from North.