3. In a college of 300 students, every student reads 5 newspapers and every newspaper is read by 60 students. The number of newspaper is: (A) at least 30 (B) at most 20 (C) exactly 25 (D) none of these
3. In a college of 300 students, every student reads 5 newspapers and every newspaper is read by 60 students. The number of newspaper is:\\
(A) at least 30\\
(B) at most 20\\
(C) exactly 25\\
(D) none of these\\