Sets Relations And Functions Question 46

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

[IIT 1998]

Options:

A) At least 30

B) At most 20

C) Exactly 25

D) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

  • Let number of newspapers be x. If every students reads one newspaper, the number of students would be $ x(60)=60x $ Since, every students reads 5 newspapers \ Numbers of students $ =\frac{x\times 60}{5}=300 $ , $ x=25 $ .