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Water is flowing through a tube of non-u...

Water is flowing through a tube of non-uniform cross-section ratio of the radius at entry and exit end of the pipe is `3 : 2`. Then the ratio of velocities at entry and exit of liquid is

A

`8:27`

B

`4:9`

C

`1:1`

D

`9:4`

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The correct Answer is:
B
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