Mathematics, 20.12.2021 05:50 duffsammy

4000 families were randomly selected for a survey. 50% of them read the newspaper in nepali language, 45% read it in English language and 25% read in neither of these languages. How many families read the newspaper in both the languages? Also find the number of families who read exactly one of these papers.

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4000 families were randomly selected for a survey. 50% of them read the newspaper in nepali language...