Question

8 men complete a work in 6 hours.In how many hours many will 12 men complete the same work?

Answer 1

8 men complete a work = 6hours

$\frac{1}{6}$ part work =in 1 hour

Q men 1 hour $\frac{1}{6}+\frac{1}{12}$

$=\frac{2+1}{12}=\frac{3}{12}=14$

12 mens do complete work in $4$ hours.