A and B can do a piece of work in 30 days, while B and C can do the same in 24 days and C and A in 20 days. They all work together till 12th day then A and C leave. How many more days will it be required for B to finish the remaining work?

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

1.	A and B can do a piece of work in 30 days, while B and C can do the same in 24 days and C and A in 20 days. They all work together till 12th day then A and C leave. How many more days will it be required for B to finish the remaining work?
A.	24 days
B.	22 days
C.	16 days
D.	20 days
Answer» E.

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A and B can do a piece of work in 30 days, while B and C can do the same in 24 days and C and A in 20 days. They all work together till 12th day then A and C leave. How many more days will it be required for B to finish the remaining work?

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