# How Many Time Taken by Pipe A and B ? If

Pipe A can fill a tank in 4 hours and pope B can fill it in 6 hours. If they are opened on alternate hours and if pipe A is opened first then in how many hours, the tank shall be full?

- 3.5
- 3.25
- 4.5
- 14/3

Pipe A can fill a tank in 4 hours and pope B can fill it in 6 hours. If they are opened on alternate hours and if pipe A is opened first then in how many hours, the tank shall be full?

- 3.5
- 3.25
- 4.5
- 14/3