A and B can do a work in 4 hours and 12 hours respectively. A starts the work at 6 AM and they work alternately for one hour each. When will the work be completed?

A and B can do a work in 4 hours and 12 hours respectively. A starts t

1.	A and B can do a work in 4 hours and 12 hours respectively. A starts the work at 6 AM and they work alternately for one hour each. When will the work be completed?
A.	4 days
B.	5 days
C.	6 days
D.	7 days
Answer» D. 7 days

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A and B can do a work in 4 hours and 12 hours respectively. A starts the work at 6 AM and they work alternately for one hour each. When will the work be completed?

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