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A cylinder containing water upto a heigh...

A cylinder containing water upto a height of 25cm has a hole of area of cross section `1/4 cm^2` in its bottom. It is counterpoised in a balance. The initial change in its weight, when water just starts flowing out is

A

Increases by 12.5 gm-wt

B

Increases by 6.25 gm-wt

C

Decreases by 12.5 gm-wt

D

Decreases by 6.25 gm-wt

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