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Four persons K,L,M,N are initially at th...

Four persons K,L,M,N are initially at the four corners of a square of side `d`. Each person now moves with a uniform speed `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. The four persons will meet at a time............. .

A

`(d)/(v)`

B

`(d)/(2v)`

C

`(2d)/(v)`

D

The four persons will never meet

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The correct Answer is:
A
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