How much is $1\% \mathrm{of} 200 \mathrm{Kg}$ ?

How much is $20\%$ of $80 \mathrm{cm}$ ?

How much is $25\%$ of $40 \mathrm{ft}$ ?

 Convert the following ratio to percentage:

$11:80$

Convert the following ratio to percentage:

$3:8$

If converting the ratio $15:16$ to percentage gives $k\%$, write the value of $k$.

Convert the following ratio to percentage:

$111:125$

If the fraction $\frac{3}{5}$ to percentage is $k\%$ then find $k$.

Convert this fraction to percentage:

$\frac{14}{625}$