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An ideal fluid is flowing in a pipe in s...

An ideal fluid is flowing in a pipe in streamline flow. Pipe has maximum and minimum diameter of 6.4 cm and 4.8 cm respectively. Find out the ratio of minimum to maximum velocity.

A

`(81)/(256)`

B

`(sqrt3)/(2)`

C

`(3)/(4)`

D

`(9)/(16)`

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