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Earth quakes are a series of vibrations and shock waves induced by movement along faults, landslides, and other triggering mechanisms. A single earthquake may release energy equivalent to hundreds or thousands of nuclear blasts and may cost billions of rupees in damages, not to mention the toll in human suffering. The energy released by an earthquake, the magnitude, is measured on the Richter scale. In a city X, an earthquake of 8.5 on a Ritcher Scale caused significant havoc. The total economic loss was estimated to be around 20,000 crore and about 2000 individuals were affected severely, 500 extremely, and there were 50 casualties counted. The proportion of economic loss for building was 75% and rest was on livestocks. Based on the above mentioned facts answer the following questions.