state gov Kolkata Police Constable Mock Test 2024 Quantitative Aptitude Time and Work Pipe and Cistern
A swimming pool can be filled by 2 pipes together in 6 hours. If the longer pipe alone takes 5 hours less than the smaller to fill the pool, the time in which the longer pipe alone would fill the pool is
1
9 hours
2
10 hours
3
6 hours
4
8.5 hours