Rohan walks a distance of 3 km towards North, then turns to his left and walks for2 km. He again turns left and walks for 3 km. At this point he turns to his left and walks for 3 km. How many kilometres is he from the starting point ?
Rohan's positions wrt to starting point are as follows
3 km towards North
turns to his left and walks for2 km:$$\sqrt{13}$$ towrads NW
turns left and walks for 3 km: 2 km west
turns to his left and walks for 3 km.: 1 km EAST.
hence the correct answer is option A
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