engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Quantitative Aptitude Time and Work Pipe and Cistern
One pipe can fill a tank in 12 hours and another pipe can completely empty the tank in 18 hours. If both the pipes are opened simultaneously, what will be the time required to fill the tank?
1
30 hours
2
36 hours
3
40 hours
4
44 hours