Civil Services TNPSC Group 1 (New Syllabus) Mock Test 2025 Quantitative Aptitude Time and Work Pipe and Cistern
Pipe A and pipe B can fill a tank in 3 hours and 4 hours respectively, and pipe C can empty it in 2 hours. If all the pipes are opened together, then in how much time tank can be filled?
1
5 hours
2
8 hours
3
10 hours
4
12 hours