SSC Supreme Court Junior Court Assistant Mock Test Series 2025 Quantitative Aptitude Time and Work Pipe and Cistern
A tank when full can be emptied by an outlet pipe A in 5.6 hours, while an inlet pipe B can fill the same empty tank in 7 hours. If pipes A and B are turned on alternatively for 1 hour each starting with pipe A when the tank is full, how long will it take to empty the tank?
1
56 hours
2
55 hours
3
48 hours
4
47 hours