60 men can complete a piece of work in 40 days. 60 men start the work but after every 5 days 5 people leave. in how many days will the work be completed?
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60 men can complete the work in 40 days
1 men can complete the work in 2400 days
1man can complete 1/2400 part of the work 1 day
so 55 can complete 11/480 part in 1 day
so 60 man can complete 1/40 part of the work in 1 day
60 man can complete 1/8 part in 5 days
so the remaining part of the 7/8
in 1 day 55 men can complete 11/480 part
so 7/8 part will be completed in 420/11 days
1 men can complete the work in 2400 days
1man can complete 1/2400 part of the work 1 day
so 55 can complete 11/480 part in 1 day
so 60 man can complete 1/40 part of the work in 1 day
60 man can complete 1/8 part in 5 days
so the remaining part of the 7/8
in 1 day 55 men can complete 11/480 part
so 7/8 part will be completed in 420/11 days
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