30 men can make a 120 articles in 8 days working 10hours/day.if 10 men leave the work after 4 days then how many hours per day should the rest of the men work to complete the job as per the shedule?
The remaining 20 men (30 - 10) have to work hours each day for the remaining 4 (8 - 4) days to complete the remaining 60 (120 - 60) articles