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Forty - one forks are so arranged that e...

Forty - one forks are so arranged that each products ` 5 beat//s` when sounded with its near fork . If the frequency of last fork is double the frequency of first and last fork , respectively are

A

200, 400

B

205, 410

C

195, 390

D

100, 200

Text Solution

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The correct Answer is:
A
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