state gov OSSSC RI, ARI, AMIN, SFS, ICDS Supervisor Combined Mock Test 2023-25 Quantitative Aptitude Time and Work Pipe and Cistern
Pipe A and B can fill the tank in 9 hours and 15 hours respectively and pipe C can empty the tank in 25 hours. If pipe A , B and C are opened simultaneously, pipe A was closed after four hours , pipe B was closed one hour before pipe A was closed and pipe C was closed after 10 hours. Then, Find what part of tank is filled ?
1
\(\frac{11}{45}\)
2
\(\frac{22}{45}\)
3
\(\frac{11}{40}\)
4
\(\frac{10}{45}\)