Pipe A can fill in 20 minutes and Pipe B in 30 minutes and Pipe C can empty the same in 40 minutes If all of them work together find the time taken to fill the tank?

A small swimming pool can be filled by two pipes in 3 hrsif the larger pipe alone takes 8 hrs less than the smaller pipe to fill the poolfind the time in which it will be filled by each pipe singly?  Three pipe AB C fill a tank in 10 minutesA pipe can fill the tank in 24 minutes alonepipe B fill the tank in 30 minutes alone it self how much time will take pipe C to fill the tank alone?  Jim can fill a pool carrying buckets of water in 30 minutes Sue can do the same job in 45 minutes Tony can do the same job in 1 hours How quickly can all three fill the pool together?  Jim can fill a pool in thirty minutes Sue can do the same job in fourtyfive minutes Tony can do the same job in one and a half hours How quickly can all three fill the pool together?  Three pipes a b c are attached to a tank a b can fill it in 20 30 minutes respectively while c can empty it in 15 minutes if a b c are kept open successively for 1 minute each how s?  Jim can fill a pool carrying bucks of water in 30 minutes Sue can do the same job in 45 minutes Tony can do the same job in 1 hours How quickly can all three fill the pool together?  Jim can fill a pool carrying bucks of water in 30 minutes Sue can do the same job in 45 minutes Tony can do the same job in 1 hours How quickly can all three fill the pool togeth?  One person fills a bucket in 30 minutes the second person fills the bucket in 45 minutes and a third takes 90 minutes how long will it take the three of them to fill one bucket?  Three pipes can fill a tank in 10 minutes The first pipe by itself can fill in 30 minutes and the second in 24 minutes How long will the Third pipe taketo fill itby itself?  Pipe A can fill in 20 minutes and Pipe B in 30 mins and Pipe C can empty the same in 40minsIf all of them work together find the time taken to fill the tank?  If a work is done by two people in 24 minutes One of them can do this work alone in 40 minutes How much time does the second person take to do the same work?  A pipe fill the tank in 20min B in 30 min C in 15 min if you fill d tank vt the pipes in cycle for 1mint with each in how much tym tat tank vl fill?  Pipe A have filled 20 minutes pipeB have filled 30 minutes pipe C can empty for 40 minutes all the pipes are works together find the time taken?  Pipe a can fill in 20 min's pipe b can fill the same in 20 min's pipe c can empty it in 40 mins?