x goes 15 metres North, then turns right and walks 20 metres, then again turns right and walks 10 metres then again turns right and walks 20 metres. How many metres is he from his original position ?
x first goes 15 m north and then comes back 10 m , therefore he is 5 m north of his initial position. also, he walks first walks 20 m towards East by turning right once and then walks 20 m west by turning right once more, so he is 0 m east. we can see that he has only moved 5 m north from his original position. option A.
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