state gov WBPSC Miscellaneous Services Mock Test 2023 Quantitative Aptitude Time and Work Pipe and Cistern
The capacity of pipe A is thrice that of pipe B. The time taken by pipe A to fill in the tank 16 minutes less than the time taken by B to do the same. If both the pipes A and B work together, how many minutes the tank will be filled in?
1
8
2
10
3
6
4
4