Two tap P and Q can fill a tank in 15 and 25 minutes respectively both taps are opened together

Two tap P and Q can fill a tank in 15 and 25 minutes respectively both taps are opened together

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:

Gkseries: Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. & other graduate and post-graduate exams. Learn more on about us page