A can do a piece of work in 4 days and B can do it in 12 days. In how many days will they finish the work, both working together?

A can do a piece of work in 4 days and B can do it in 12 days. In how

1.	A can do a piece of work in 4 days and B can do it in 12 days. In how many days will they finish the work, both working together?
A.	4 days
B.	2 days
C.	3 days
D.	6 days
Answer» D. 6 days

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A can do a piece of work in 4 days and B can do it in 12 days. In how many days will they finish the work, both working together?

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