The ratio of land to water for the whole earth is 1 : 2. In the Northern Hemisphere, it is 2 : 3. What is the ratio in the Southern Hemisphere?
A
4 : 11
B
3 : 5
C
1 : 4
D
2 : 9
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Correct Answer 4 : 11
Explanation
Earth Total: 1 (Land) + 2 (Water) = 3 total units. For 10 units each hemisphere (total 20), Land:Water = 1:2. NH: Land 4, Water 6. Total Earth Land = 20/3. Calculation leads to 4:11.