Arjun starts walking towards the east. Afier walking 50 m, he turns to his lefi and walks 15 m straight. Then. he turns to his left and walks 30 in straight. Again. he turns to his the left and walks a distance of 15 m. How far is he from the starting point?

A

40 m

B

30 m

C

10 m

D

20 m