A can do a piece of work in 120 days and B can do it in 150 days. They work together for 20 days. Then B leaves and A alone continues the work. 12 days after that C joins A and the work is completed in 48 days more. In how many days can C do it if he works alone?

A can do a piece of work in 120 days and B can do it in 150 days. They

1.	A can do a piece of work in 120 days and B can do it in 150 days. They work together for 20 days. Then B leaves and A alone continues the work. 12 days after that C joins A and the work is completed in 48 days more. In how many days can C do it if he works alone?
A.	230 days
B.	225 days
C.	240 days
D.	220 days
Answer» D. 220 days

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A can do a piece of work in 120 days and B can do it in 150 days. They work together for 20 days. Then B leaves and A alone continues the work. 12 days after that C joins A and the work is completed in 48 days more. In how many days can C do it if he works alone?

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