A,B,C together can do a work in 10 days. A alone can do the work in 50days and B alone can do the same work in 60 days. Find in what time C alone can do that work?
Choose one.
A) 15.8days  B) 17days  C) 19.5days  D) 20.6days  E) 25.4days
The required answer is = 10*50*60 / 50*60-10(50+60)   = 30000/1900 = 15.8days   15.8daysnswer is 15.8days
<result>A</result>
A,B,C together can do a work in 10 days. A alone can do the work in 50days and B alone can do the same work in 60 days. Find in what time C alone can do that work?