Four persons K, L, M, and N are initially at the four corners of a square of side ‘d’. Each person now moves with a uniform speed of ‘v’ in such a way that K always moves directly towards L, L directly towards M, M directly towards N and N directly towards K. At what time will the four persons meet?
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Four persons K, L, M, and N are initially at the four corners of a square of side ‘d’. Each person now moves with a uniform speed of ‘v’ in such a way that K always moves directly towards L, L directly towards M, M directly towards N and N directly towards K. At what time will the four persons meet?
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