state gov Bihar SSC (BSSC) Inter Level Mock Test 2024 - 25 Quantitative Aptitude Time and Work Pipe and Cistern
Pipes A and B can fill a tank in 16 hours and 24 hours, respectively, whereas pipe C can empty the full tank in 40 hours. All three pipes are opened together, but pipe A is closed after 10 hours. After how many hours will the remaining part of the tank be filled?
1
10
2
20
3
\(12 \dfrac{1}{2}\)
4
\(15 \dfrac{1}{2}\)