Permutations And Combinations Ques 10
- In a collage of 300 students, every student reads 5 newspapers and every newspaper is read by 60 students. The number of newspapers is
(1998, 2M)
(a) atleast 30
(b) atmost 20
(c) exactly 25
(d) None of the above
Show Answer
Answer:
Correct Answer: 10.(c)
Solution:
Formula:
- Let $n$ be the number of newspapers which are read by the students.
$ \begin{aligned} & \text { Then, } \quad 60 n=(300) \times 5 \\ & \Rightarrow \quad n=25 \end{aligned} $
BETA
