A and B together can do a piece of work in 12 days and A alone can complete the work in 18 days. How long will B alone take to complete the job?

A and B together can do a piece of work in 12 days and A alone can com

1.	A and B together can do a piece of work in 12 days and A alone can complete the work in 18 days. How long will B alone take to complete the job?
A.	18 days
B.	36 days
C.	54 days
D.	60 days
Answer» C. 54 days