In a survey, it was found that the ratio of the people who like modern songs and folk songs is 8:9. Out of which 50 people liked both songs, 40 liked folks songs only and 80 liked none of the songs. i) Show the above information in a Venn-diagram. ii) Find the number of people who participated in the survey.

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06-05-2022
Mathematics

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In a survey, it was found that the ratio of the people who like modern songs and folk songs is 8:9. Out of which 50 people liked both songs, 40 liked folks songs only and 80 liked none of the songs. i) Show the above information in a Venn-diagram. ii) Find the number of people who participated in the survey.

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