A can do a work in 9 days and B can do the same work in 18 days. If they work together, in how many days will they complete the work?

A can do a work in 9 days and B can do the same work in 18 days. If

1.	A can do a work in 9 days and B can do the same work in 18 days. If they work together, in how many days will they complete the work?
A.	8
B.	7
C.	6
D.	5
Answer» D. 5

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A can do a work in 9 days and B can do the same work in 18 days. If they work together, in how many days will they complete the work?

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