A and B can do a piece of work in 30 days while B and C can do the same work in 24 days and C and A in 20 days. They all work for 10 days when B and C leave.How many days more will A take to complete the work?

A and B can do a piece of work in 30 days while B and C can do the sam

1.	A and B can do a piece of work in 30 days while B and C can do the same work in 24 days and C and A in 20 days. They all work for 10 days when B and C leave. How many days more will A take to complete the work?
A.	16 days
B.	15 days
C.	18 days
D.	20 days
Answer» D. 20 days

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A and B can do a piece of work in 30 days while B and C can do the same work in 24 days and C and A in 20 days. They all work for 10 days when B and C leave.How many days more will A take to complete the work?

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A and B can do a piece of work in 30 days while B and C can do the same work in 24 days and C and A in 20 days. They all work for 10 days when B and C leave.
How many days more will A take to complete the work?