Ashok started walking towards South. After walking 50 meters he took a right turn and walked 30 meters. He then took a right turn and walked 100 meters. He again took a right turn and walked 30 meters and stopped. How far and in which direction was he from the starting point ?

A

50 meters South

B

150 meters North

C

180 meters East

D

50 meters North

E

None of these