A and B together can complete a piece of work in 12 days: B and C together can complete it in 15 days. If A is twice as good a workman as C, in how many days will A alone complete the same work?

A and B together can complete a piece of work in 12 days: B and C toge

1.	A and B together can complete a piece of work in 12 days: B and C together can complete it in 15 days. If A is twice as good a workman as C, in how many days will A alone complete the same work?
A.	45
B.	60
C.	75
D.	30
Answer» E.

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A and B together can complete a piece of work in 12 days: B and C together can complete it in 15 days. If A is twice as good a workman as C, in how many days will A alone complete the same work?

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