arithmetic - in a wooden doors manufacturing company 36 men can complete a piece of work in 18 days in how many days will 27 men complete the same work - skillgun

Less Men, means more Days {Indirect Proportion}
Let the number of days be x
then,
27 : 36 :: 18 : x
[Please pay attention, we have written 27 : 36 rather than 36 : 27, in indirect proportion, if you get it then chain rule is clear to you :)]
x=36*1827x=24
So 24 days will be required to get work done by 27 men.