Teaching Jharkhand (JSSC) PRT (1 to 5) Mock Test 2023 Quantitative Aptitude Time and Work Pipe and Cistern
Pipe A can fill a water tank in 45 minutes and pipe B can empty it in 30 minutes. If both the pipes are opened when the tank is empty, the tank will be filled in
1
18 minutes
2
90 minutes
3
The tank can never be filled in
4
None of the above