engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Quantitative Aptitude Time and Work Pipe and Cistern
Two pipes – A and B can fill a tank in 16 hours and 20 hours respectively. Both the pipes are opened. After one hour, pipe B is closed for 1 hour. Then after, pipe A is closed and B is opened for the remaining time. Find the total time taken to fill the tank.
1
18.50
2
18.54
3
20.94
4
22.88