i did it in 38.16 seconds with pen and paper. And tell answer.

what about it.

@Dragonfree97 (View Post)
Whats that link. did you find answer over there?

I have new. There is three pipes and a pool. If water comes only at pipe 1, filling up pool takes 4 hour. If only 2 then 6 hours. If 3, 3 hours. How long it takes if water comes from every pipe?