Indians, Egyptians, Europeans and Australians have resided in a village of area 200 km2. If the area is equally divided among the four civilizations, what is the probability that a particular person lands on the land occupied by Indians or Europeans?

Indians, Egyptians, Europeans and Australians have resided in a villag

1.	Indians, Egyptians, Europeans and Australians have resided in a village of area 200 km2. If the area is equally divided among the four civilizations, what is the probability that a particular person lands on the land occupied by Indians or Europeans?
Answer» Indians, Egyptians, Europeans and Australians have resided in a village of area 200 $k m^{2}$ . If the area is equally divided among the four civilizations, what is the probability that a particular person lands on the land occupied by Indians or Europeans?