A pump can fill a tank with water in 8 hours. Because of a leak, it took 16 hours to fill the tank. The leak can drain all the water in ?
Choose the correct choice from the following:
A) 16hr
B) 12hr
C) 13hr
D) 14hr
E) 16hr
Work done by the leak in 1 hour = 1/8 - 1/16 = 1/16   Leak will empty the tank in 16 hours   16hrnswer is 16hr
<result>A</result>
A pump can fill a tank with water in 8 hours. Because of a leak, it took 16 hours to fill the tank. The leak can drain all the water in ?