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Operations on Sets

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By Expert Faculty of Sri Chaitanya
Question

In a college of 300 students, every student reads 5 newspaper and every newspaper is read by 60 students. The no. of newspaper is

Easy
Solution

Let number of newspapers be x. If every students reads one newspaper, the number of students would be =60x

Since, every students reads 5 newspapers

Number of students =x×605=300, x=25


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