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by Anurag@Gurome » Sat Jan 28, 2012 11:44 pm
sud21 wrote:A person started from A, went to east for x, south for y, west for z, north for m, arrived at B. What is the direct distance between A and B?
In east-west direction the person has covered an effective distance of |x - z| and in north-south direction |y - m|

Hence, the person has covered a total distance of |x - z| + |y - m|
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