if 120 men completed a work in 30 days after the end of 5 days 5 more men are joined in how many days the work will be completed
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work done by one man =120×30 days
the part of work done by 1 man in 1 day =1/120×30
the part of work done by 120 men in 5 days=1/6
the remaining work =1-1/6=5/6
Now 125 man can do 5/6 work in one day
120×30×5/125×6 =24 days
the total time taken =5 +24= 29 days to complete the work
the part of work done by 1 man in 1 day =1/120×30
the part of work done by 120 men in 5 days=1/6
the remaining work =1-1/6=5/6
Now 125 man can do 5/6 work in one day
120×30×5/125×6 =24 days
the total time taken =5 +24= 29 days to complete the work
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