Ques:- Navin walked 20 metres towards the East took a left turn and walked 10 metres and again took a left turn and walked 20metres. How far is he from his starting position?
A. 10 metres
B. 50 metres
C. 40 metres
D. 30 metres
E. None of these
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( a ) 10 metres
(a) 10 meters, assuming he’s walking on flat terrain. If he
walks up a slope, or if he starts very close to the north or
south pole, then the answer won’t be exactly ten meters.