A water tank which could be filled in 5 hours takes one more hour to be filled as a result of a leak in its bottom. If the tank is full calculate the time it will take for the leak empty it? Choose the correct choice from the following options:
A) 32 hours B) 30 hours C) 34 hours D) 31 hours E) 33 hours
Part filled without leak in 1 hour = 1/5   Part filled with leak in 1 hour = 1/6   Work done by leak in 1 hour   =1/5âˆ’1/6=30 hours   Answer:30 hours
<result>B</result>
A water tank which could be filled in 5 hours takes one more hour to be filled as a result of a leak in its bottom. If the tank is full calculate the time it will take for the leak empty it?