engineering recuitment BHEL Engineer Trainee Mock Test 2025 Quantitative Aptitude Time and Work Pipe and Cistern
Pipe A can fill an empty tank in 30 minutes, Pipe B can empty the same filled tank in 2 hours and Pipe C can empty the same filled tank in 5 hours. If all these are opened together when the tank is empty, then in how many hours will the tank be filled?
1
\(\frac{10}{13}\)
2
\(\frac{7}{12}\)
3
\(\frac{5}{27}\)
4
\(\frac{7}{13}\)