The volume V and depth x of water in a v...

The volume V and depth x of water in a vessel are connected by the relation `V=5x-x^2/6` and the volume of water is increasing at the rate of `5cm^3//sec` when x=2cm. The rate at which the depth of water is increasing , is

A

`5/18 cm//sec `

B

`1/4 cm//sec`

C

`5/16 cm//sec`

D

None of these

Verified by Experts

The correct Answer is:

D

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