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

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//sqrt2v`

C

`sqrt2d//v`

D

`d//2v`

Text Solution

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The correct Answer is:
D
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