Q: A and B can do a piece of work in 40 days and 30 days respectively. – McqOptions

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1.	Q: A and B can do a piece of work in 40 days and 30 days respectively. They worked together for 12 days after that B was replaced by C. the work finish in next 8 days. In how many days C can alone finish the work?
A.	60 days
B.	50 days
C.	90 days
D.	80 days
Answer» E.

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