Question

the number in the diagram indicates the number of persons who can speak various all language in a city the diagram is drawn after a serving the 200 persons in a population of 15 50000 how many people can be expected to speak at least two languages​

Answer 1

Answer:

No. of people reading at least 2 newspapers here are 12+2+8+5=27

in 10000 people, the number is 10000/50∗27=5400

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