A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 1/8 hours to fill the tank. The leak can drain all the water of the tank in?
Answers.
A) 17 hr  B) 19 hr  C) 10 hr  D) 34 hr  E) 36 hr
Work done by the tank in 1 hour   = (1/2 -2 1/8)   = 1/34 Leak will empty the tank in 34 hrs.   Answer:34 hr
<result>D</result>
A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 1/8 hours to fill the tank. The leak can drain all the water of the tank in?