A and B can do a work in 12 days, B and C in 15 days, C and A in 20 days. if A, B and C work together, In how many days they will complete the work?

 A and B can do a work in 12 days, B and C in 15 days, C and A in 20 days. if A, B and C work together, In how many days they will complete the work?

A). 10 Days

B). 12 Days

C). 8 Days

D). 16 Days

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