A can finish a work in 5 days and B takes 4 days to do the same work. If the work is increased by 8 times, How many days will it take for both of them to finish the work if they work together?

A can finish a work in 5 days and B takes 4 days to do the same work.

1.	A can finish a work in 5 days and B takes 4 days to do the same work. If the work is increased by 8 times, How many days will it take for both of them to finish the work if they work together?
A.	10 days
B.	15 days
C.	25 days
D.	20 days
E.	None of these
Answer» E. None of these

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A can finish a work in 5 days and B takes 4 days to do the same work. If the work is increased by 8 times, How many days will it take for both of them to finish the work if they work together?

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