Question

in order to complete a work in 28 days 60 mens are required how many men will be required ifthe same work has to be completed in 40 days?​

Answer 1

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Answer 2

Let there are 28×60 parts of that work = 1680 parts

in 40 days, men needed = (total work)/days = 1680/40 = 42 men

Method 2

work is always the same, so

men1×days1 = men2×days2

⇒28×60= men2×40

⇒men2 = 42