Calculate the time it will take for a full tank of water to become completely empty due to a leak given that the tank could be filled in 10 hours, but due to the leak in its bottom it takes 11 hours to be filled ?  Pick one:  A) 90 hours  B) 80 hours  C) 50 hours  D) 120 hours  E) 110 hours
Part filled without leak in 1 hour = 1/10   Part filled with leak in 1 hour = 1/11   Work done by leak in 1 hour   =1/10âˆ’1/11=110 hours   Answer:110 hours
<result>E</result>
Calculate the time it will take for a full tank of water to become completely empty due to a leak given that the tank could be filled in 10 hours, but due to the leak in its bottom it takes 11 hours to be filled ?