A building with a height of 40 ft casts a shadow that is 16ft long. A person standing next to the building casts a shadow that is 2ft long. How tall is the person?
16ft long shadow of a building when the building true height is 40 ft 1 ft long shadow of a building when the building true height is 40/16 ft 2 ft long shadow of a person when the building true height is (40x2)/16 = 5ft (ans)