defence exam CISF Head Constable Ministerial (HCM) & ASI Steno Mock Test Series Quantitative Aptitude Time and Work Pipe and Cistern
A perforated tank can be filled by 30 buckets of 3 liters in 5 hours and 20 buckets of 4 liters in 3 hours. It is filled with buckets at regular intervals. What is the volume of the tank?
1
90 liters
2
5 liters
3
65 liters
4
13 liters