# A can do a work in 6 days. B takes 12 days, C takes as long as A and B would take working

A can do a work in 6 days. B takes 12 days, C takes as long as A and B would take working together. How long will it B and C to complete the work together?

(a) 8 days

(b) 3 days

(c) 4 days

(d) None of these