Question

$36$ men can do a piece of work in $12$ days. In how many days $18$ men can do the same?

Answer 1

Given 36 men can do a piece of work in days = 12

1 men can do work = $\frac{12}{36}=\frac{1}{3}$ days

then 18 men can do work in = $18\times \frac{1}{3}$

18 men can do work in = 6 days