A and B working together can finish a piece of work in 12 days while B alone can finish it in 30 days. In how many days can A alone finish the work?

A and B working together can finish a piece of work in 12 days while B

1.	A and B working together can finish a piece of work in 12 days while B alone can finish it in 30 days. In how many days can A alone finish the work?
A.	18 days
B.	20 days
C.	24 days
D.	25 days
Answer» C. 24 days

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A and B working together can finish a piece of work in 12 days while B alone can finish it in 30 days. In how many days can A alone finish the work?

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