A Catering firm runs cafeteria in each of the four plants of a company in New Delhi. These are similar to each other in terms of layout, equipment and the services. In 2011, the average customer capacity of these cafeterias was 210. In 2012, two of the cafeteria increased their capacity by 10 percent each so that the customer capacity of all of them became equal. What was the capacity of each of the cafeterias in 2011?Measure of Central Tendency & Dispersion
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