If Raman takes 10/9 days to finish his work, then the work done by him in one day is ______.
A and B take 30 days to finish a work, B and C take 24 days to finish that particular work, C and A take 20 days to finish the same work. All of them can finish the work in 10 days and If B and C leave the job, then how many days does A take to finish the same work?