A is twice as good a workman as B and B is twice as good a work-man as C. If A and B can together finish a piece of work in 4 days, then C can do it by himself in

A is twice as good a workman as B and B is twice as good a work-man as C. If A and B can together finish a piece of work in 4 days, then C can do it by himself in
1). 6 days
2). 8 days
3). 24 days
4). 12 days

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