A can do a work in 15 days and B can do the work in 10 days. How many days will take to complete the work, if they do simultaneously?

A can do a work in 15 days and B can do the work in 10 days. How many

1.	A can do a work in 15 days and B can do the work in 10 days. How many days will take to complete the work, if they do simultaneously?
A.	6 days
B.	5 days
C.	9 days
D.	8 days
Answer» B. 5 days

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A can do a work in 15 days and B can do the work in 10 days. How many days will take to complete the work, if they do simultaneously?

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