P alone can complete a piece of work in 12 days and Q can complete the same work in 18 days. With the help of R, all three finish the work in 6 days. In how many days can R alone complete the work?

P alone can complete a piece of work in 12 days and Q can complete the

1.	P alone can complete a piece of work in 12 days and Q can complete the same work in 18 days. With the help of R, all three finish the work in 6 days. In how many days can R alone complete the work?
A.	36 days
B.	28 days
C.	25 days
D.	30 days
Answer» B. 28 days

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P alone can complete a piece of work in 12 days and Q can complete the same work in 18 days. With the help of R, all three finish the work in 6 days. In how many days can R alone complete the work?

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