A can do a piece of work in 20 days and B in 15 days. With help of C, they finish the work in 5 days. C can alone do the work in

A can do a piece of work in 20 days and B in 15 days. With help of C,

1.	A can do a piece of work in 20 days and B in 15 days. With help of C, they finish the work in 5 days. C can alone do the work in
A.	5 days
B.	6 days
C.	10 days
D.	12 days
Answer» E.

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A can do a piece of work in 20 days and B in 15 days. With help of C, they finish the work in 5 days. C can alone do the work in

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