A and B can do a work in 8 hours and 12 hours respectively. A starts the work at 6AM and they work alternately for one hour each. When will the work be completed?	Select the correct option:
A) 9.6 days
B) 7.6 days
C) 4 days
D) 8.6 days
E) 6.6 days
Work done by A and B in the first two hours, working alternately = First hour A + Second hour B = 1/8+ 1/12 = 5/24.   Total time required to complete the work = 2 * 24/5= 
<gadget id="calculator">2 * 24/5</gadget>
<output>48/5 = around 9.6</output>
9.6 days.   9.6 daysNSWER:9.6 days
<result>A</result>
A and B can do a work in 8 hours and 12 hours respectively. A starts the work at 6AM and they work alternately for one hour each. When will the work be completed?