A tank has two outlets A and B, which together take 6 hours to empty a full tank when they are opened simultaneously. The tank was inititally half-full and both outlests were opened. After an hour, an inlet pipe X was opened. If the air inlet can fill an empty tank in 4 hours, how much time will it now take to fill the tank completely. Give your anwer in hours.
CET – Maharashtra MBA Examination, 2016
Doubt by Ramji Gidugu
Answered by Amritha
