Answer :

Given:


Length of road = m


Length of work labourer does in 1 day = 7.5m


Formula Used\Theory:


Dividing total length by length of work done in 1 day gives


Number of days to complete the work


7.5m Length of work done in 1 day


1m Length of work done in day


m Length of work done in × day


= ×


= ×


=


10.7days


Conclusion:10.7days are required to complete the work


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