The scale of a map is 1 : 5000000. What is the actual distance between two towns, if they are 4 cm apart on the map?
Distance represented by 1 cm on the map = 5000000 cm = 50 km
Distance represented by 3 cm on the map = 50 4 km = 200 km
∴ The actual distance is 200 km.
RS Aggarwal (2017)