Question

The map of a country is drawn to a scale of $30cm$ to $50km$. What area does a country, whose area is $4,00,000{km}^2$ cover on a paper?

Answer 1

$50km=30cm$
$2500{km}^2=900{cm}^2$
$\therefore$ $4,00,000{km}^2=\frac{900}{2500}4,00,000{cm}^2$
$=1,44,000{cm}^2=14.40m^2$