A, B and C working together can do a piece of work in 8 hours. A alone can do it in20 hours and B alone can do it in 24 hours. In how many hours will C alone do the same work?

Given,


A can do a piece of work in 20 hours


Work done by A in 1 hour =


B can do same work in = 24 hours


Work done by B in 1 hour =


A,B and C working together can do that work in = 8 hours


Work done by A, B, C together in 1 hour =


work done by C in 1 hour = (work done by A,B,C in 1 hour) – ( work done by A And B in 1 hr)



Time taken by C to complete the work =


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