Question

Two taps P and Q can fill a pool in 6 hours and 9 hours respectively. A third tap. R can empty
the pool in 12 hours. How long will it take to fill the pool, if all the three taps are opened
together?​

Answer 1

Answer:36/7

Step-by-step Explanation:

Tank filled in 1 hour by tap P =1/6

Tank filled in 1 hour by tap Q =1/9

Tank emptied in 1 hour by tap R =1/12

Tank filled in 1 hour= 1/6+1/9-1/12 =7/36

Total time to fill the tank is 36/7 hours

Please mark me as BRAINLIEST

Answer 2

Step-by-step explanation:

hope it help you xd..

ha bolo kya bolna hai aapko