In a college of 300 students, every student reads 5 newspapers and every newspaper is read by 60 stu

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14.Probability

normal

In a college of $300$ students, every student reads $5$ newspapers and every newspaper is read by $60$ students. The number of newspapers is

A

At least $30$

B

At most $20$

C

Exactly $25$

D

None of the above

(IIT-1998)

Solution

(c) Let number of newspaper be $n,$ then
$60\,n = 300 \times 5 \Rightarrow n = 25.$

Standard 11

Mathematics

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