60 men can complete a piece of work in 40 days. 6 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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Step-by-step explanation:
- Let total work done be x
- x/(60x40)=x/2400 work can be done by a man per day
- in 6 days 6x60x(x)/2400=3x/20 work is completed
- work remaining = 17x/20
- now calculate ahed
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