A pipe takes a hours to fill the tank. But because of a leakage it took 2 times of its original time. Find the time taken by the leakage to empty the tank	Choose the correct choice from the following choices.
A) 50 min  B) 60 min  C) 90 min  D) 80 min  E) 120 min
pipe a can do a work 60 min.   lets leakage time is x;   then   1/60 -1/x=1/120   x=120 min   ANSW120 minR:120 min
<result>E</result>
A pipe takes a hours to fill the tank. But because of a leakage it took 2 times of its original time. Find the time taken by the leakage to empty the tank