engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Quantitative Aptitude Time and Work Pipe and Cistern
Two pipes A and B can fill a cistern in 24 min and 30 min respectively and pipe C can empty it 60 min. how much time will it take to fill if all three pipes open together.
1
\(16\frac{1}{7}\;\)min
2
\(18\frac{1}{7}\) min
3
\(15\frac{1}{7}\) min
4
\(17\frac{1}{7}\) min