On a map with a scale of 1 : 25 000 a plot of land is represented by a rectangle 1.5 cm by 1.2 cm. Find the area of the plot of land.
Solution: 
1.5 cm on map will be (25,000 x 1.5 cm) or 375 m on ground
1.2 cm on map will be (25,000 x 1.2 cm) or 300 m on ground
Area of e plot = 375 x 300 = 112500 sq.m