A pipe takes a hours to fill the tank. But because of a leakage it took 5 times of its original time. Find the time taken by the leakage to empty the tank  Choose one:	A) 50 min	B) 60 min	C) 90 min	D) 80 min	E) 75 min
pipe a can do a work 60 min.   lets leakage time is x;   then   1/60 -1/x=1/300   x=75 min   ANSW75 minR:75 min
<result>E</result>
A pipe takes a hours to fill the tank. But because of a leakage it took 5 times of its original time. Find the time taken by the leakage to empty the tank