Question

Water running in cylindrical pipe of inner diameter 7cm, is collected in a container at the rate of 192.5 liters per minute. Find the rate of flow of water in the pipe in km/h. (Use π=22/7).?? ​

Answer 1

HELLO ,

Given, radius of the cylindrical pipe =

cm

Let the length of the cylindrical pipe be L cm

Volume of the pipe = πr2l =

=

L cm3

Rate of flow in hours will be = (192.5 × 60) litres/hour

Rate of flow in cm3 will be = (192.5 × 60 × 1000) cm3/hour

Now,

⇒ 77L = (192.5 × 60 × 1000)

⸫ L =

= 300000 cm = 3 km

⸫ Rate of flow of water in the pipe in 1 hour = 3 km / h

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