A can do a piece of work in 12 hours, while B can do it in 8 hours. If A and B both work together, so in how many hours the work will be completed?

A can do a piece of work in 12 hours, while B can do it in 8 hours. If

1.	A can do a piece of work in 12 hours, while B can do it in 8 hours. If A and B both work together, so in how many hours the work will be completed?
A.	10 hours
B.	4 hours
C.	5 hours 15 minutes
D.	4 hours 48 minutes
Answer» E.

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A can do a piece of work in 12 hours, while B can do it in 8 hours. If A and B both work together, so in how many hours the work will be completed?

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