state gov OSSSC RI, ARI, AMIN, SFS, ICDS Supervisor Combined Mock Test 2023-25 Quantitative Aptitude Time and Work Pipe and Cistern
Tap A can empty a cistern in 266 hours while tap B can fill it in 399 hours. In how many hours the filled cistern will be emptied if both A and B are opened together?
1
788
2
798
3
778
4
808