Question

12 men can dig a pond in 8 days. How many men can dig it in 6 days ?

Answer 1

A pond is dug in 8 days by = 12 men

It can be dug in 1 day by = 12 $\times$ 8 men

(Less days, more men)

and it can be dug in 6 days by $=\frac{12\times 8}{6}$

= 16 men. (more days. less men)