A can do a bit of work in 8 hours while B along can do it in 12 hours. Both A and B cooperating can complete the work in:

A can do a bit of work in 8 hours while B along can do it in 12 hou

1.	A can do a bit of work in 8 hours while B along can do it in 12 hours. Both A and B cooperating can complete the work in:
A.	10 hours
B.	4 hours
C.	21/4 hours
D.	24/5 hours
Answer» E.

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A can do a bit of work in 8 hours while B along can do it in 12 hours. Both A and B cooperating can complete the work in:

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