A is thrice as good a workman as B and together they finish a work in 18 days. In how many days will A alone finish the work?

A is thrice as good a workman as B and together they finish a work in

1.	A is thrice as good a workman as B and together they finish a work in 18 days. In how many days will A alone finish the work?
A.	24 days
B.	20 days
C.	18 days
D.	26 days
Answer» B. 20 days

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A is thrice as good a workman as B and together they finish a work in 18 days. In how many days will A alone finish the work?

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