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Two water pipes of diameters 2 cm and 4 ...

Two water pipes of diameters 2 cm and 4 cm are connected with the main supply line. The velocity of flow of water in the pipe of 2 cm

A

`4` times that in the other pipe

B

`1/4` times that in the other pipe

C

`2` times that in the other pipe

D

`1/2` times that in the other pipe

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The correct Answer is:
A
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