A man walks 1 km towards East and then he turns to South and walks 5 kms. Again he turns to East and walk 2 kms, after this he turns to North and walks 9 kms. Now how far is he from his starting point?
A
3 kms
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B
4 kms
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C
5 kms
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D
7 kms
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Solution
The correct option is C 5 kms The man starts from Aand moves to B→C→D→E(his final position). Mans distance from A=AENowAE2=AL2+LE2=(1+2)2+(9−5)2=9+16=25∴AE=5