A and B can do a work in 12 days, B and C in 30 days and C and A in 36 days. In how many days will the work be completed, if all three of them work together?

A and B can do a work in 12 days, B and C in 30 days and C and A in

1.	A and B can do a work in 12 days, B and C in 30 days and C and A in 36 days. In how many days will the work be completed, if all three of them work together?
A.	160/11 days
B.	125/14 days
C.	180/13 days
D.	120/11 days
Answer» D. 120/11 days

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A and B can do a work in 12 days, B and C in 30 days and C and A in 36 days. In how many days will the work be completed, if all three of them work together?

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