engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Time and Work Pipe and Cistern
A pump can fill a tank with water in 3 hours. Because of a leak it took \(3\frac{1}{5}hours\) to fill the tank. The leak can drain all the water in the tank in
1
54 hours
2
36 hours
3
42 hours
4
48 hours