railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) Quantitative Aptitude Time and Work Pipe and Cistern
There is a leak at the bottom of a cistern. Due to this it takes 8 hours to fill the cistern. Had there not been a leak, it would have taken one hour less to fill the cistern. How much time does it take for the leak to completely empty the cistern?
1
56 hours
2
15 hours
3
55\(\frac{1}{3}\) hours
4
48 hours