question_answer

In a tank there is a pipe which can be used for filling the tank as well as for emptying it. The capacity of the tank is 1200 \[{{m}^{3}}\]. The emptying of the tank is 10 \[{{m}^{3}}\]per minute higher than its filling capacity and the pump needs 6 minutes lesser to empty the tank than it needs to fill it. What is the filling rate of the pipe?

A) \[20{{m}^{3}}/min.\]

B) \[40 {{m}^{3}} / min.\]

C) \[50 {{m}^{3}} / min.\]

D) \[60{{m}^{3}}/min.\]

E) None of the Above