A and B can complete a work in 60 days, B and C complete it in 80 days, C and A can complete the same work in 120 days. In how many days, B alone can do that work?

A and B can complete a work in 60 days, B and C complete it in 80 days

1.	A and B can complete a work in 60 days, B and C complete it in 80 days, C and A can complete the same work in 120 days. In how many days, B alone can do that work?
A.	96
B.	90
C.	92
D.	94
Answer» B. 90

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A and B can complete a work in 60 days, B and C complete it in 80 days, C and A can complete the same work in 120 days. In how many days, B alone can do that work?

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