A, B and C can do a piece of work in 24 days, 30 days and 40 days respectively. They began the work together but C left 4 days before the completion of the work. In how many days was the work complete

A, B and C can do a piece of work in 24 days, 30 days and 40 days r

1.	A, B and C can do a piece of work in 24 days, 30 days and 40 days respectively. They began the work together but C left 4 days before the completion of the work. In how many days was the work complete
A.	11 days
B.	12 days
C.	13 days
D.	14 days
Answer» B. 12 days

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A, B and C can do a piece of work in 24 days, 30 days and 40 days respectively. They began the work together but C left 4 days before the completion of the work. In how many days was the work complete

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