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An ideal liquid (water) flowing through a tube of non-uniform cross section area at A and B are `40 cm^2` and `20 cm^2` respectively. If pressure difference between A & B is 700 `N/(m^2)` then volume flow rate is

A

2732 `(cm^3)/s`

B

2142 `(cm^3)/s`

C

1832 `(cm^3)/s`

D

3218 `(cm^3)/s`

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