A, B and C together can complete a piece of work in 30 minutes. A and B together can complete the same work in 50 minutes. C alone can complete the work in

A, B and C together can complete a piece of work in 30 minutes. A and

1.	A, B and C together can complete a piece of work in 30 minutes. A and B together can complete the same work in 50 minutes. C alone can complete the work in
A.	60 minutes
B.	75 minutes
C.	80 minutes
D.	150 minutes
Answer» C. 80 minutes

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A, B and C together can complete a piece of work in 30 minutes. A and B together can complete the same work in 50 minutes. C alone can complete the work in

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