A city X has six villages around it. The population of village A is 25% of the population of city X while that of village B is 20% of that of city X. The population of village C is 2/5th of that of city X. The population of village D is 60% of that of village โC. The population of village E is 85% of that of village B. The population of village F is 21000 which is 35% of that of city X.
Population of city F = 21000
Population of city X = $$21000 \times \frac{100}{35} = 60000$$
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