A can do a piece of work in 10 days and B can do it in 15 days and C can do it 20 days. They started the work together and A leaves after 2 days and B leaves after 4 days from the beginning. How long

A can do a piece of work in 10 days and B can do it in 15 days and

1.	A can do a piece of work in 10 days and B can do it in 15 days and C can do it 20 days. They started the work together and A leaves after 2 days and B leaves after 4 days from the beginning. How long
A.	8 2/3 days
B.	9 2/3 days
C.	10 2/3 days
D.	10 days
Answer» D. 10 days

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A can do a piece of work in 10 days and B can do it in 15 days and C can do it 20 days. They started the work together and A leaves after 2 days and B leaves after 4 days from the beginning. How long

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