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A right circular cylindrical tank of 9 m...

A right circular cylindrical tank of 9 metre height is filled with water. Whater comesout from there through a pipe having length of 6 cm diamter with a speed of 225 metres per minute and the tank becomes empty after 36 minutes. Calulate the length of radius of the tank.

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The correct Answer is:
90 cm
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A right circular cylindrical tank of 9 metres height is filled with water. Water comes out from there through a pipe having length of 6 cm diameter with a speed of 225 metre per minute and the tank becomes empty after 2 hours 24 minutes. Calculate the length of radius of the tank.

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