question_answer

Peter moves 20 km toward north, turn left and covers a distance of 10 km. Finally he turns left and covers a distance of 40 km. Which one of the following represents the final position of Peter as a coordinate? (take stating point as origin)

A)  \[(-\,10,\,-20)\]  

B)  \[(10,\,20)\]

C)  \[(-\,10,\,-\,40)\]            

D)  \[(10,\,40)\]

E)  None of these