Question

pipe a can fill a tank in 9 hours and pipe B can empty it in 4 hours in how many hours the tank will the empty if both 5 open and 5 by 6 part of tank is full of​

Answer 1

Answer:

1. pipe A can billion empty tanks in 5 hrs. = filled by pipe A in one hour=1/5. pipe b can fill an empty tank in 6hrs =part filled by pipe b in one hour =1/6 Therefore _ tank filled by pipe a and b together in 1 hour =1/5-1/6 = 1/30 the tank can be filled in 30hours