engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Quantitative Aptitude Time and Work Pipe and Cistern
A cistern is normally filled in 6 hours, but it takes 3 hours longer to fill because of a leak at its bottom. If the cistern is full, the leak will empty it in :
1
18 hours
2
24 hours
3
12 hours
4
None of these