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The pressure at the bottom of a water ta...

The pressure at the bottom of a water tank is 4 P, where P is .atmospheric pressure. If water is drawn out till the water level decreases by —`3/5`th, then pressure at the bottom of the tank is

A

`(3P)/8`

B

`(7P)/6`

C

`(11P)/5`

D

`(9P)/4`

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