defence exam Indian Navy Tradesman Mate Mock Test 2024 Quantitative Aptitude Time and Work Pipe and Cistern
A water reservoir has two inlets and one outlet. Through the inlet it can be filled in 3 hours and \(3 \frac{3}{4}\) hours respectively. It can be emptied completely in 1 hour by the outlet. If the two inlets are opened at 4:00 pm and 5:00 pm respectively and the outlet at 6:00 pm then it will be emptied at:
1
7:55 pm
2
7:00 pm
3
8:20 pm
4
8:30 pm