![Two tap P and Q can fill a tank in 15 and 25 minutes respectively both taps are opened together](https://www.gkseries.com/blog/wp-content/uploads/2024/03/Two-tap-P-and-Q-can-fill-a-tank-in-15-and-25-minutes-respectively-both-taps-are-opened-together.jpg)
Two tap P and Q can fill a tank in 15 and 25 minutes respectively both taps are opened together. When tank is filled 8/15 a leakage tap is opened. leakage tap’s efficiency is 1/4 of the net efficiency of taps P and Q together. In how much time tank will get filled.
Sol:
![](https://www.gkseries.com/blog/wp-content/uploads/2024/03/image-282-843x1024.png)
![](https://www.gkseries.com/blog/wp-content/uploads/2024/03/image-283-1024x563.png)