Question
A contractor decided to complete a work in 80 days and
employed 60 men at the beginning and 20 men Additionally after 20 days and got the work completed as per schedule. If he had not employed the additional men, how many extra days would he have needed to complete the work (round off to the nearest integerSolution
the contractor decided to complete a work = 80days 60Men =20days 80Men =60days Total work =60×20+80×60 =6000 Required days =6000/60=100days Additionally, days =100-80 =20days.
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